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Guided Wave Radar
SITRANS LG250
Profibus PA
Rod and cable probe
Operating Instructions • 01/2020
Related Manuals for Siemens SITRANS LG250
Summary of Contents for Siemens SITRANS LG250
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Page 1
Guided Wave Radar SITRANS LG250 Profibus PA Rod and cable probe Operating Instructions • 01/2020… -
Page 2
SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 3: Table Of Contents
Saving the parameterisation data ………………. 52 Set up with other systems ………………..53 DD adjustment programs ………………..53 Diagnostics and servicing ………………..54 Maintenance ……………………54 Diagnosis memory ………………….54 Status messages ………………….55 Rectify faults ……………………58 PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 4
11.3 Dimensions ……………………84 11.4 Trademark ……………………89 Safety instructions for Ex areas Take note of the Ex specific safety instructions for Ex applications. These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions. Editing status: 2020-01-24 SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 5: About This Document
The dot set in front indicates a list with no implied sequence. Sequence of actions Numbers set in front indicate successive steps in a procedure. Battery disposal This symbol indicates special information about the disposal of bat- teries and accumulators. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 6: For Your Safety
During work on and with the device, the required personal protective equipment must always be worn. Appropriate use SITRANS LG250 is a sensor for continuous level measurement. You can find detailed information about the area of application in chapter «Product description». Operational reliability is ensured only if the instrument is properly used according to the specifications in the operating instructions manual as well as possible supplementary instructions.
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Page 7: Eu Conformity
English language. Installations in the US shall comply with the relevant requirements of the National Electrical Code (ANSI/NFPA 70). Installations in Canada shall comply with the relevant requirements of the Canadian Electrical Code. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 8: Product Description
• Optional accessory The further scope of delivery encompasses: • Documentation – Operating instructions SITRANS LG250 – Instructions for optional instrument features – Ex-specific «Safety instructions» (with Ex versions) – If necessary, further certificates Information: Optional instrument features are also described in this operating instructions manual.
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Page 9: Principle Of Operation
13 ID numbers, instrument documentation 14 Hardware and software version Principle of operation Application area The SITRANS LG250 is a level sensor with cable or rod probe for continuous level or interface measurement, suitable for applications in liquids. Functional principle -…
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Page 10
Distance to the interface d2 Distance to the level TS Thickness of the upper medium (d1 — d2) h1 Height — Interface h2 Height — Level L1 Lower medium L2 Upper medium L3 Gas phase SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 11: Packaging, Transport And Storage
Ascertained transit damage or con- cealed defects must be appropriately dealt with. Storage Up to the time of installation, the packages must be left closed and stored according to the orientation and storage markings on the outside. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 12: Accessories
Rod segments: 20 … 5900 mm (0.79 … 232 in) • Curved segments: 100 x 100 mm (3.94 … 3.94 in) If you mount the SITRANS LG250 in a bypass tube or standpipe, you Centering have to avoid contact to the bypass tube by using a spacer at the probe end.
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Page 13: Mounting
Prior to setup you have to replace these protective caps with ap- proved cable glands or close the openings with suitable blind plugs. Note: Process conditions For safety reasons, the instrument must only be operated within the permissible process conditions. You can find detailed information on PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 14: Mounting Instructions
Mounting instructions Installation position Mount SITRANS LG250 in such a way that the distance to vessel installations or to the vessel wall is at least 300 mm (12 in). In non- metallic vessels, the distance to the vessel wall should be at least 500 mm (19.7 in).
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Page 15
In such cases, always carry out a false signal suppression after mounting. You can find further information under «Setup procedure». DN25 … DN150 ≤ 150 mm (5.91″) > DN150 … DN200 ≤ 100 mm (3.94″) Fig. 6: Mounting socket When welding the socket, make sure that the socket is flush with the vessel top. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 16
«Technical data». Keep in mind for the adjustment that the default setting for the measuring range refers to water. SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 17
If durability is no problem, we recommend the use of uncoated metal standpipes. When the SITRANS LG250 is used in bypass tubes, contact with the tube wall must be avoided. We recommend for this purpose a cable probe with centering weight. -
Page 18
It does not matter if the standpipe is perforated or slotted for better mixing. Measuring probes can be mounted in standpipes up to DN 200. SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 19
If durability is no problem, we recommend the use of uncoated metal standpipes. When the SITRANS LG250 is used in standpipes, contact with the tube wall must be avoided. We recommend for this purpose a cable probe with centering weight. -
Page 20
If there is a risk of the cable probe touching the vessel wall during operation due to product movements or agitators, etc., the measuring probe can be strained. For this purpose there is an internal thread (M12 or M8) in the gravity weight. SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 21
Rod extension In case of difficult installation conditions, for example in a socket, the probe can be suitably adapted with a rod extension. To compensate for the resulting changes in signal runtime, let the instrument determine the probe length automatically. You can find further information in the supplementary instructions of the rod and cable components. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 22: Connecting To Power Supply
Note: Prior to setup you have to replace these protective caps with ap- proved cable glands or close the openings with suitable blind plugs. SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 23: Connecting
5. Insert the cable into the sensor through the cable entry Fig. 13: Connection steps 5 and 6 Single chamber housing Double chamber housing 6. Insert the wire ends into the terminals according to the wiring plan PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 24: Wiring Plan, Single Chamber Housing
Selection switch for instrument address For external display and adjustment unit Ground terminal for connection of the cable screening Wiring plan, double chamber housing The following illustration applies to the non-Ex, Ex-ia and Ex-d ver- sion. SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 25: Set Instrument Address
The address setting is carried out either via: • The address selection switch in the electronics compartment of the instrument (address setting via hardware) • The display and adjustment module (address setting via software) • PACTware/DTM (address setting via software) PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 26: Switch-On Phase
PC • Status byte goes to fault value Then the actual measured value is output to the signal cable. The value takes into account settings that have already been carried out, e.g. default setting. SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 27: Set Up With The Display And Adjustment Module
Fig. 18: Insertion of the display and adjustment module with single chamber housing Note: If you intend to retrofit the instrument with a display and adjustment module for continuous measured value indication, a higher lid with an inspection glass is required. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 28: Adjustment System
[OK] will not be saved. Switch-on phase After switching on, the SITRANS LG250 carries out a short self-test where the device software is checked. The output signal transmits a fault signal during the switch-on phase. The following information is displayed on the display and adjustment module during the startup procedure: •…
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Page 29: Parameter Adjustment — Quick Setup
False signal suppression You can find the description of the individual menu items in the follow- ing chapter «Parameter adjustment — Extended adjustment». Parameter adjustment — Extended adjustment For technically demanding measuring points, you can carry out extended settings in «Extended adjustment». Main menu The main menu is divided into five sections with the following func- tions: PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 30
The display and adjustment module (address setting via software) • PACTware/DTM (address setting via software) Hardware addressing Hardware addressing is effective if an address less than 126 is set with the address selection switches on the electronics module of SITRANS LG250. In such case, software addressing has no effect — only the set hardware address applies. SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 31
In this menu item you can enter the probe length or have the length determined automatically by the sensor system. When choosing «Yes», then the probe length will be determined automatically. When choosing «No», you can enter the probe length manually. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 32
«Application». In this menu item you can enter if there is a superimposed gas phase in your application. Only set the function to «Yes», if the gas phase is permanently pre- sent. SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 33
Min. adjustment level In this menu item you can enter the min. adjustment for the level. With interface measurement this is the minimum total level. Adjust the requested percentage value with [+] and store with [OK]. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 34
Enter the respective distance value in m for the interface correspond- ing to the percentage value of the interface. False signal suppression The following circumstances cause interfering reflections and can influence the measurement: • High mounting sockets • Vessel internals such as struts SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 35
Corresponding linearisation curves are preprogrammed for these vessels. They represent the correlation between the level percentage and vessel volume. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 36
If the socket is lower than the up- per edge of the vessel, this value can also be negative. Fig. 20: Vessel height and socket correction value D Vessel height +h Positive socket correction value -h Negative socket correction value SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 37
AI FB1 — damping To damp process-dependent measured value fluctuations, you can set a time of 0 … 999 s in this menu item. The damping applies to the level and interface measurement. The default setting is a damping of 0 s. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 38
This menu item enables the setting of the requested national lan- guage. In delivery status, the sensor is set to English. Displayed value 1 In this menu item, you define the indication of the measured value on the display. You can display two different measured values. In this menu item, you define measured value 1. The default setting for the displayed value 1 is «Filling height Level». SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 39
The two values are displayed in the menu item «Peak values, distance». If you have selected interface measurement under the menu item «Setup — Application», the peak values of the interface measurement are displayed in addition to the peak values of the level measurement. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 40
This menu item displays the peak values of the electronics tempera- ture as well as the dielectric constant. In another window you can carry out a reset of the two peak values separately. SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 41
With this, you can detect signal changes over the operating time. With the adjustment software PACTware and the PC, the high-resolution echo curve can be displayed and used to compare the echo curve of the setup with the actual echo curve. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 42
Basic settings: Resetting of the parameter settings incl. special parameters to the default values (presettings) of the respective instru- SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 43
Primary Value (lin. percent level) AI FB1 scaling PV Scale (min.) AI FB1 scaling PV Scale (max.) 100 % AI FB1 Lin. Type Linear AI FB1 Out Scale Unit AI FB1 Out Scale Decimal Point #.## PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 44
Device memory — Measured value memory — Start with meas- Not active ured value Device memory — Measured value memory — Stop with meas- Not active ured value Device memory — Measured value memory — Stop recording Not active when memory is full SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 45
AI FB3 Out Scale (min.) AI FB3 Out Scale (max.) 100 % AI FB3 PV FTime AI FB3 Hi Hi Limit 3.402823E+38 % AI FB3 Hi Limit 3.402823E+38 % AI FB3 Lo Lo Limit -3.402823E+38 % PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 46
TAG-no. this sensor had. Tip: We recommend to save the instrument adjustments. In case of an electronics exchange the saved parameter adjustment data relieve this process. SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 47
PC. Profibus Ident Number In this menu item, the Profibus ident number of your sensor is dis- played. Sensor characteristics In this menu item, the features of the sensor such as approval, pro- cess fitting, seal, measuring range, electronics, housing and others are displayed. Example for displayed sensor features. PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 48: Saving The Parameterisation Data
In the display and adjust- If the instrument is equipped with a display and adjustment module, ment module the parameter adjustment data can be saved therein. The procedure is described in menu item «Copy device settings». SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 49: Setup With Pactware
A description of the update procedure is also available in the Internet. The further setup steps are described in the online help of PACTware and the DTMs. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 50: Set Up With The Quick Setup
The quick setup is another option for parameter adjustment of the sensor. It allows fast, convenient adjustment of the most important parameters to adapt the sensor quickly to standard applications. To use it, select the function «Quick setup» in the start screen. SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 51
Extended adjustment Maintenance Quick setup With quick setup you can carry out the parameter adjustment of SITRANS LG250 for your application in just a few simple steps. The assistant-driven adjustment includes the basic settings for simple, reliable setup and commissioning. Information: If the function is inactive, then possibly no instrument is connected. -
Page 52: Saving The Parameterisation Data
Saving the parameterisation data We recommend documenting or saving the parameterisation data via PACTware. That way the data are available for multiple use or service purposes. SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 53: Set Up With Other Systems
Set up with other systems DD adjustment programs Device descriptions as Enhanced Device Description (EDD) are available for DD adjustment programs such as, for example, AMS↑ and PDM. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 54: Diagnostics And Servicing
• Modification of a parameter • Switch-on and switch-off times • Status messages (according to NE 107) • Error messages (according to NE 107) The data are read out via a PC with PACTware/DTM or the control system with EDD. SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 55: Status Messages
This status message is always active. It cannot be deactivated by the user. Function check: The instrument is being worked on, the measured value is temporarily invalid (for example during simulation). This status message is inactive by default. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 56
Disconnect operating voltage briefly munication Communication Send instrument for repair error F125 Temperature of the electronics in the Check ambient temperature Bit 7 non-specified range Impermissible Insulate electronics electronics tem- Use instrument with higher temper- perature ature range SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 57
S601 Level echo in the close range not Reduce level Bit 24 available Overfilling 100 % adjustment: Increase value Check mounting socket Remove possible interfering signals in the close range Use coaxial probe PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 58: Rectify Faults
The operator of the system is responsible for taking suitable meas- tion occurs ures to rectify faults. The first measures are: Fault rectification • Evaluation of fault messages • Checking the output signal • Treatment of measurement errors SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 59
Amplitude or position of a false signal Determine the reason for the changed has changed (e.g. buildup); false signal false signals, carry out false signal sup- time suppression no longer matches pression, e.g. with buildup PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 60
Measured value remains re- Stored false signals in this position are Delete false signal suppression producible in one position larger than the level echo Carry out a new false signal suppression during emptying time SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 61
Amplitude or position of a false signal has Determine the reason for the changed false changed (e.g. condensation, buildup); false signals, carry out false signal suppression, signal suppression no longer matches ac- e.g. condensation time tual conditions PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 62
Carry out false signal suppression or in- jumps sporadically the antenna crease false signal suppression in the close towards 100 % dur- range by editing ing emptying With bulk solids use radar sensor with purg- ing air connection or flexible antenna cover time SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 63: Exchanging The Electronics Module
If necessary, the cable or rod (measuring part) of the probe can be exchanged. Loosen the rod or cable with a fork wrench, wrench size 7 (rod ø 8, cable ø 2 and 4) or wrench size 10 (rod ø 12). Note: When exchanging the rod or cable, make sure that the instrument and the new rod or cable are dry and clean. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 64
3. Cable: remove the pins 4. Cable: Pull the cable out of the gravity weight 5. Shorten the cable/rod with a cut-off wheel or metal saw at the marking. Take note of the specifications in the following illustration when shortening the cable. 6. Cable with gravity weight: Shift the cable according to the drawing into the gravity weight SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 65: Software Update
Current sensor software as file You can find the actual sensor software as well as detailed infor- mation of the procedure in the download area on our homepage: www.siemens.com/sitranslg. You can find information about the installation in the download file. Caution: Instruments with approvals can be bound to certain software versions. Therefore make sure that the approval is still effective after a software update is carried out. You can find detailed information in the download area on our home- page: www.siemens.com/sitranslg. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 66: How To Proceed If A Repair Is Necessary
How to proceed if a repair is necessary If it is necessary to repair the instrument, please contact Siemens. You find the locations on «www.siemens.com/processautomation». SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 67: Dismount
Pass the instrument directly on to a specialised recycling company and do not use the municipal collecting points. If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 68: Supplement
Ʋ Seal between housing and housing lid Silicone SI 850 R Ʋ Inspection window in housing cover Plastic housing: Polycarbonate (optional) Metal housing: Glass Ʋ Ground terminal 316L Ʋ Cable gland PA, stainless steel, brass Ʋ Sealing, cable gland Ʋ Blind plug, cable gland SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 69
±(2 mm + 0.05 % of the cable length) Lateral load Ʋ Rod: ø 8 mm (0.315 in) 10 Nm (7.38 lbf ft) Ʋ Rod: ø 12 mm (0.472 in) 30 Nm (22.13 lbf ft) PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 70
Ʋ 2. FB Secondary Value 1 (filling height in %) Ʋ 3. FB Secondary Value 2 (distance value) Current value Ʋ Non-Ex and Ex ia instrument 10 mA, ±0.5 mA Ʋ Ex-d-ia instruments 16 mA, ±0.5 mA Resolution, digital < 1 mm (0.039 in) SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 71
Probe end does not touch the vessel bottom Sensor parameter adjustment No gating out of false signals carried out Fig. 28: Measuring ranges — SITRANS LG250 Reference plane Probe length L Measuring range (default setting refers to the measuring range in water) -
Page 72
0,08 m 0,3 m 0,02 m (3.15 (11.811 » » (0.787 «) Fig. 29: Deviation SITRANS LG250 in rod version in water Dead zone (no measurement possible in this area) Probe length 15 mm (0.591 » 2 mm (0.079 «) -2 mm (-0.079… -
Page 73
(3.15 «) Fig. 32: Deviation SITRANS LG250 in cable version (ø 2 mm/0.079 in), in medium oil Dead zone (no measurement possible in this area) When using a centering weight, it is only possible to measure up to the upper edge of the cerntering weight. -
Page 74
(5.906 «) Fig. 33: Deviation SITRANS LG250 in cable version (ø 4 mm/0.157 in), in medium oil Dead zone (no measurement possible in this area) When using a centering weight, it is only possible to measure up to the upper edge of the cerntering weight. -
Page 75
«) (1.969 «) 0,2 m (7.874 «) Fig. 35: Deviation SITRANS LG250 in cable version (ø 4 mm/0.157 in, PFA-coated), in oil Dead zone (no measurement possible in this area) Probe length Non-repeatability ≤ ±1 mm Variables influencing measurement accuracy Temperature drift — Digital output ±3 mm/10 K relating to the max. -
Page 76
-20 … +150 °C (-4 … +302 °F) Ʋ FFKM (Kalrez 6375) — with tempera- -20 … +200 °C (-4 … +392 °F) ture adapter Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2). SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 77
-40°C / -40°F Fig. 37: Ambient temperature — process temperature, version with temperature adapter Ambient temperature Process temperature (depending on the seal material) Aluminium housing Plastic housing Stainless steel housing, precision casting Stainless steel housing, electropolished PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 78
180 m (590.6 ft) Ʋ Min. bending radius (at 25 °C/77 °F) 25 mm (0.984 in) Ʋ Diameter approx. 8 mm (0.315 in) Ʋ Colour — Non-Ex version Black Ʋ Colour — Ex-version Blue SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 79
IP66/IP68 (0.2 bar) Type 6P polished Stainless steel, precision Single chamber IP66/IP68 (0.2 bar) Type 6P casting Double chamber IP66/IP67 Type 4X IP66/IP68 (0.2 bar) Type 6P Galvanic separation between electronics and metal housing parts PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 80: Device Communication Profibus Pa
The master class 1 (e.g. PLC) cyclically reads out measured values from the sensor during opera- tion. The below block diagram below shows which data can be accessed by the PLC. When used with fulfilled housing protection IEC 61010-1 SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 81
Fig. 38: SITRANS LG250: Block diagram with AI FB 1 … AI FB 3 OUT values TB Transducer Block FB 1 … FB 3 Function Block Module of the PA sensors For the cyclic data traffic, SITRANS LG250 provides the following modules: • AI FB1 (OUT) – Out value of the AI FB1 after scaling •… -
Page 82
-10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 Sign Significant Significant Exponent Significant (Exponent — 127) Value = (-1) (1 + Significant) Fig. 40: Data format of the measured value SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 83
— high limited 0 x 8d good (non-cascade) — ac- Lo-Lo-Alarm tive critical alarm — low limited 0 x 8e good (non-cascade) — ac- Hi-Hi-Alarm tive critical alarm — high limited PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 84: Dimensions
½ NPT Fig. 42: Housing versions with protection rating IP66/IP68 (0.2 bar), (with integrated display and adjustment mod- ule the housing is 9 mm/0.35 in higher) Aluminium — single chamber Aluminium — double chamber SITRANS LG250 — Operating Instructions PBD-51041053…
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Page 85
Fig. 43: Housing versions with protection rating IP66/IP68 (0.2 bar), (with integrated display and adjustment mod- ule the housing is 9 mm/0.35 in higher) Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel double chamber housing (precision casting) PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 86
(0.79″) (0.79″) (0.79″) Fig. 44: SITRANS LG250, threaded version with gravity weight (all gravity weights with thread M8 for eye-bolt) Sensor length, see chapter «Technical data» Cable version ø 2 mm (0.079 in) with gravity weight Cable version ø 4 mm (0.157 in) with gravity weight… -
Page 87
SITRANS LG250, cable version with centering weight SW 36 (1.42″) (G¾, ¾ NPT) SW 41 (1.61″) (G1, 1 NPT) SW 46 (1.81″) (G1½, 1½ NPT) G¾, ¾ NPT, G1, 1 NPT, G1½, 1½ NPT ø 4 mm ø 4 mm (0.16″) -
Page 88
G1½, 1½ NPT ø 8 mm ø 12¨mm (0.32″) (0.47″) Fig. 46: SITRANS LG250, threaded version Sensor length, see chapter «Technical data» Rod version ø 8 mm (0.315 in) Rod version ø 12 mm (0.472 in) SITRANS LG250 — Operating Instructions… -
Page 89: Trademark
11.4 Trademark All the brands as well as trade and company names used are property of their lawful proprietor/ originator. PBD-51041053 SITRANS LG250 — Operating Instructions…
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Page 90
Event memory 54 Quick setup 29 Factory calibration date 47 False signal suppression 34 Fault Read out info 47 – Rectification 58 Repair 66 Fault rectification 58 Replacement parts Functional principle 9 – Rod components 12 – Spacer 12 SITRANS LG250 — Operating Instructions PBD-51041053… -
Page 91
Scaling unit 37 Sensor characteristics 47 Sensor status 39 Simulation 41 Software addressing 26, 31 Special parameters 47 Status bytes PA output value 83 Telegram configuration 82 Type label 8 Type of medium 32 Units 31 PBD-51041053 SITRANS LG250 — Operating Instructions… -
Page 92
For more information www.siemens.com/level www.siemens.com/weighing Siemens Canada Limited Subject to change without prior notice PD PA PI LW PBD-51041053 Rev. 7.0 1954 Technology Drive P.O. Box 4225 © Siemens AG 2020 Peterborough, ON K9J 7B1, Canada email: techpubs.smpi@siemens.com Printed in Canada www.siemens.com/processautomation…
Contents
1
1.1
Function …………………………………………………………………………………………………………… 5
1.2
Target group ……………………………………………………………………………………………………… 5
1.3
Symbols used……………………………………………………………………………………………………. 5
2
2.1
Authorised personnel …………………………………………………………………………………………. 6
2.2
Appropriate use …………………………………………………………………………………………………. 6
2.3
Warning about incorrect use ………………………………………………………………………………… 6
2.4
General safety instructions ………………………………………………………………………………….. 6
2.5
CE conformity ……………………………………………………………………………………………………. 6
2.6
2.7
2.8
Environmental instructions ………………………………………………………………………………….. 7
3
3.1
Configuration …………………………………………………………………………………………………….. 8
3.2
Principle of operation………………………………………………………………………………………….. 9
3.3
3.4
4
4.1
General instructions …………………………………………………………………………………………. 13
4.2
Mounting instructions ……………………………………………………………………………………….. 13
5
5.1
Preparing the connection ………………………………………………………………………………….. 21
5.2
Connection ……………………………………………………………………………………………………… 22
5.3
5.4
5.5
5.6
5.7
Supplementary electronics ………………………………………………………………………………… 26
5.8
Switch-on phase………………………………………………………………………………………………. 26
6
6.1
Objective ………………………………………………………………………………………………………… 28
6.2
SIL qualification ……………………………………………………………………………………………….. 28
6.3
Application area ………………………………………………………………………………………………. 28
6.4
6.5
Setup process …………………………………………………………………………………………………. 30
7
7.1
7.2
Adjustment system …………………………………………………………………………………………… 33
7.3
Parameter adjustment ………………………………………………………………………………………. 35
7.4
8
8.1
Connect the PC ……………………………………………………………………………………………….. 57
8.2
8.3
PBD-51041388
SITRANS LG250 — Operating Instructions
3
Specifications:
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Accompanying Data:
Siemens SITRANS LG250 Measuring Instruments, Radar PDF Operating Instructions Manual (Updated: Sunday 27th of November 2022 07:26:54 AM)
Rating: 4.5 (rated by 11 users)
Compatible devices: SITRANS FC410, ULTRAMAT 6F, MAG 1100 F, FIDAMAT 6, 5TT3 196, SENTRON PAC2200, Class 87, 7KT1 543.
Recommended Documentation:
Siemens SITRANS LG250: Text of Operating Instructions Manual
(Ocr-Read Version Summary of Contents, UPD: 27 November 2022)
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57, 57 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 8 Setup with PACTware 8.1 Connect the PC 3 1 2 Fig. 24: Connection of the PC directly to the sensor via the interface adapter 1 USB cable to the PC 2 Interface adapter 3 Sensor 1 3 2 5 4 Fig. 25: Connecting the PC via HART to the signal cable 1 Sensor 2 HART resistance 250 Ω (optional depending on processing) 3 A…
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31, 31 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Function test not required If the parameter check was successful, the adjustment is locked auto- matically and the instrument is again in safe operating state. Setup is then nished. Function test required Should a function test be necessary, the following message is displayed on the display and adjust…
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20, 20 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 1 2 1 2 Fig. 11: Fasten the probe 1 Measuring probe 2 Retaining sleeve In case of dicult installation conditions, the probe can be also mounted laterally. For this purpose, adapt the rod with rod extensions or bow-shaped segments. Let the probe length determine automatically by the instrument to …
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68, 68 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Measurement error during lling Fault description Error pattern Cause Rectication 3. Measured value re- mains in the area of the bottom during lling Level time 0 – Echo from the probe end larger than the product echo, for example, with products with ε r < 2.5 oil-based, solvents, etc. – Check par…
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52, 52 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Setup Menu item Default value Modied value Lock adjustment Locked Measurement loop name Sensor Units Distance unit: mm Temperature unit: °C Probe length Length of the probe Ex factory Type of medium Liquid Application Level, vessel Medium, dielectric constant Water-based, > 10 Superimposed gas …
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25, 25 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Contact pin Colour connection ca- ble in the sensor Terminal, electronics module Pin 1 Brown 5 Pin 2 White 6 Pin 3 Blue 7 Pin 4 Black 8 5.6 Wiring plan, Ex-d-ia double chamber housing 31 2 567 8 1 2 ( ) (-) + 4…20mA Fig. 17: Electronics compartment, double chamber housing 1 Internal connection to the t…
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89, 89 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 12.3 Trademark All the brands as well as trade and company names used are property of their lawful proprietor/ originator.
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6, 6 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 2 For your safety 2.1 Authorised personnel All operations described in this operating instructions manual must be carried out only by trained specialist personnel authorised by the plant operator. During work on and with the device the required personal protective equipment must always be worn.…
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64, 64 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Code Text mes- sage Cause Rectication F260 Error in the instrument settings – Error in the calibration car- ried out in the factory – Error in the EEPROM – Exchanging the electronics – Send instrument for repair F261 Error in the instrument settings – Error during setup – Error …
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37, 37 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 In this menu item, you can select the application. You can choose between level measurement and interface measurement. You can also choose between measurement in a vessel or in a bypass or standpipe. Note: The selection of the application has a considerable inuence on all other menu item…
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90, 90 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 INDEX A Accessories – Display and adjustment module 11 – External display and adjustment unit 11, 12 Adjustment – Max. adjustment 38, 39 – Min. adjustment 38, 39 Adjustment system 34 Application 37, 38 Application area 9 B Backlight 48 C Cable entry 21 Check signal 66 Conne…
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60, 60 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 9 Set up with other systems 9.1 DD adjustment programs Device descriptions as Enhanced Device Description (EDD) are available for DD adjustment programs such as, for example, AMS™ and PDM. 9.2 Communicator 375, 475 Device descriptions for the instrument are available as DD or EDD for parameter adjustment with the …
Siemens SITRANS LG250: Recommended Instructions
HCVR5104C Series, F25209, FEB30S5ASB, 2005 S2000
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PM5 Panel MeterOptional Output AddendumAMALGAMATED INSTRUMENT CO ABN: 80 619 963 692Unit 5, 28 Leighton Place Hornsby Telephone: +61 2 9476 2244 e-mail: [email protected] 2077 Australia Facsimile: +61 2 9476 2902 Internet: www.aicpl.com.au …
PM5 31
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User Manual LT80 LED Light Meter Introduction Congratulations on your purchase of the Triplett LT80 LED Light Meter that measures light intensity from white LED light sources. The LT80 can also measure light from fluorescent, metal halide, high‐ pressure sodium, and incandescent sources, for reference only (unspecified accuracy). The LT80 …
LT80 8
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Digital High Frequency Analyser HF59B © Gigahertz Solutions GmbH, 90579 Langenzenn, Germany Revision 4.5 (December 2006) Page 1 HF59B HF Analyzer for Frequencies from 800 MHz to 2.5 GHz (to 3.3 GHz with additional tolerance; ready for Frequencies from 27 MHz with optional Antenna) Instruction Manual Revision 4.5 This manual will be continuously updated, improved and e …
HF59B 19
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Instructions for configuration and installation Ecometer P Ultrasonic level indicator for fast measurements with external power supply (09/2018) Proteus Ecometer P (Power) FR …
Ecometer P 4
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Preventive maintenancePreventive maintenancePreventive maintenancePreventive maintenanceDeLaval milk meter MM27BC1111 Task ScheduleTask ScheduleTask ScheduleTask ScheduleNo 1 Replace MM27BC gasketNo 1 Replace MM27BC gasketNo 1 Replace MM27BC gasketNo 1 Replace MM27BC gasketReplacement parts or kits:Art No: 91470502Required tools:WrenchNoNoNoNo Service taskService task …
MM27BC 22
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ISSPRO EV 2 1/16” Diesel Tachometers (R5501, R5503, R5504, R5591, R6501, R6503, R6504, R6591) 1.) Select a mounting location for the sensor assembly and the magnets according to the following: a. The sensor assembly must be mounted such that the magnets pass within 1/8” to ¼” of the end of thesensor as shown in the installation diagram on the back pa …
R5503 2
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PCE Americas Inc. 711 Commerce Way Suite 8 Jupiter FL-33458 USA From outside US: +1 Tel: (561) 320-9162 Fax: (561) 320-9176 [email protected] PCE Instruments UK Ltd. Units 12/13 Southpoint Business Park Ensign way Hampshire / Southampton United Kingdom, SO31 4RF From outside UK: +44 Tel: (0) 2380 98703 0 Fax: (0) 2380 98703 9 [email protected] www.pce-instruments.c …
PCE-VA 20 12
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USER GUIDE31-00438-01C7355B In-Duct IAQ MonitorINTRODUCTIONAbout This MonitorThis air quality monitor is specially designed for monitoring multiple air quality parameters in the air duct. The sensor is installed in the outdoor or return air duct. Real time monitoring parameters are particles (PM2.5 and PM10), carbon dioxide (CO2), TVOC, air temperature and relative humidity.The intelligent con …
C7355B 12
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Robert Bosch GmbHPower Tools Division70745 Leinfelden-EchterdingenGermanywww.bosch-pt.com1 609 92A 0K5 (2014.04) I / 93 WEUWEU WEUPTD 1de Originalbetriebsanleitungen Original instructionsfr Notice originalees Manual originalpt Manual originalit Istruzioni originalinl Oorspronkelijke gebruiksaanwijzingda Original brugsanvisningsv Bruksanvisning i originalno Original driftsinstruksf …
PTD 1 92
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ba75408e04 12/2005NitraLyt®NOANitraLyt®NOA/ATOperating ManualNitraLyt® nitrate combination electrodeNitraLyt®NOA reference electrode NitraLyt®NOA/AT exchange electrodeNitraLyt NOA/AT®NitraLyt NOA® …
NitraLyt NOA 10
Additional Information:
Operating Impressions, Questions and Answers:
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[Page 1] Siemens SITRANS LG250 Operating Instructions • 03/2014 Guided Wave Radar SITRANS LG250 4 … 20 mA/HART — two-wire Rod and cable probe With SIL qualication |
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[Page 2] Siemens SITRANS LG250 2 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 |
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[Page 3] Siemens SITRANS LG250 3 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-15042446201-EN-150424 Contents 1 About this document 1.1 Function …………………………………………………………………………………………………………… |
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[Page 4] Siemens SITRANS LG250 4 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 9 Set up with other systems 9.1 DD adjustment programs ………………………………………………………………………………….. 60 9.2 Communicator 375, 47… |
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[Page 5] Siemens SITRANS LG250 5 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 1 About this document 1.1 Function This operating instructions manual provides all the information you need for mounting, connection and setup as well as important instruc- tions… |
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[Page 6] Siemens SITRANS LG250 6 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 2 For your safety 2.1 Authorised personnel All operations described in this operating instructions manual must be carried out only by trained specialist personnel authorised by t… |
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[Page 7] Siemens SITRANS LG250 7 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 YoucanndtheCECerticateofConformityinthedownloadsection of our homepage. Electromagnetic compatibility Instruments in four-wire or Ex-d-ia … |
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[Page 8] Siemens SITRANS LG250 8 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 3 Product description 3.1 Conguration Thetypelabelcontainsthemostimportantdataforidenticationand use of the instrument: 2 1 5 3 6 4 7 8 11… |
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[Page 9] Siemens SITRANS LG250 9 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 – SafetyManual(SIL) – Testcerticatemeasuringaccuracy(optional) – Operating instructions manual «Display and adjustment mod- ule» (optional) … |
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[Page 10] Siemens SITRANS LG250 10 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 TS d1 h1 h2 d2 1 L2 L1 L3 Fig. 3: Interface measurement 1 Sensorreferenceplane(sealsurfaceoftheprocesstting) d1 Distance to the interface (HART value… |
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[Page 11] Siemens SITRANS LG250 11 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 The instrument is always preset to the application «Level measure- ment». For the interface measurement, you can select the requested output signal with the setup. 3.3 … |
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[Page 12] Siemens SITRANS LG250 12 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Youcanndadditionalinformationintheoperatinginstructions manual «LG Remote Interface». The LG Remote Interface is suitable for measured value… |
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[Page 13] Siemens SITRANS LG250 13 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 4 Mounting 4.1 General instructions Withinstrumentswiththreadedprocesstting,suitabletoolsmustbe applied for tightening the hexagon. Warning: The … |
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[Page 14] Siemens SITRANS LG250 14 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Fig. 4: Vessel with conical bottom Plastic vessel/Glass vessel The guided microwave principle requires a metallic surface on the processtting.Therefore,inplastic… |
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[Page 15] Siemens SITRANS LG250 15 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Higher sockets or sockets with a bigger diameter can generally be used. They can, however, increase the upper blocking distance (dead band). Check if this is relevant for your m… |
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[Page 16] Siemens SITRANS LG250 16 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Fig.8:Mountingofthesensorwithinowingmedium The reference plane for the measuring range of the sensors is the sealingsurfaceofthethreador�… |
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[Page 17] Siemens SITRANS LG250 17 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 When the SITRANS LG250 is used in bypass tubes, contact with the tube wall must be avoided. We recommend for this purpose a cable probe with centering weight. Caution: When moun… |
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[Page 18] Siemens SITRANS LG250 18 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 • A false signal suppression with installed sensor is generally rec- ommended to achieve the best possible accuracy. Standpipes or surge pipes are normally metal tubes with a di… |
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[Page 19] Siemens SITRANS LG250 19 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Microwavescanpenetratemanyplastics.Thisiswhyplastictubesare problematic for measurement applications. If durability is no problem, we recommend t… |
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[Page 20] Siemens SITRANS LG250 20 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 1 2 1 2 Fig. 11: Fasten the probe 1 Measuring probe 2 Retaining sleeve Incaseofdicultinstallationconditions,theprobecanbealso mounted laterall… |
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[Page 21] Siemens SITRANS LG250 21 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 5 Connecting to power supply 5.1 Preparing the connection Always keep in mind the following safety instructions: • Connect only in the complete absence of line voltage • I… |
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[Page 22] Siemens SITRANS LG250 22 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 equalisationcurrentscanowoverthecablescreenifthescreenis grounded on both ends. To avoid this, the cable screen in such applications must be … |
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[Page 23] Siemens SITRANS LG250 23 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 6. Insert the wire ends into the terminals according to the wiring plan Information: Solidcoresaswellasexiblecoreswithwireendsleevesare ins… |
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[Page 24] Siemens SITRANS LG250 24 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 567 8 4…20mA 1 2 + ( ) (-) 2 1 1 Fig.14:Electronicscompartmentwithdoublechamberhousing 1 Internal connection to the terminal compartment 2 For display a… |
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[Page 25] Siemens SITRANS LG250 25 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Contact pin Colour connection ca- ble in the sensor Terminal, electronics module Pin 1 Brown 5 Pin 2 White 6 Pin 3 Blue 7 Pin 4 Black 8 5.6 Wiring plan, Ex-d-ia double chamber h… |
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[Page 26] Siemens SITRANS LG250 26 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 34 1 2 Fig. 19: Top view of the plug connector 1 Pin 1 2 Pin 2 3 Pin 3 4 Pin 4 Contact pin Colour connection ca- ble in the sensor Terminal, electronics module Pin 1 Brown 5 P… |
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[Page 27] Siemens SITRANS LG250 27 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 • Internal check of the electronics • Indication of the instrument type, hardware and software version, measurement loop name on the display or PC • Indication of the st… |
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[Page 28] Siemens SITRANS LG250 28 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 6 Functional safety (SIL) 6.1 Objective In case of dangerous failures, processing facilities and machines can cause risks for persons, environment and property. The risk of such … |
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[Page 29] Siemens SITRANS LG250 29 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 The following inputs/outputs are permitted: • 4 … 20 mA current output 6.4 Safety concept of the parameterization The following tools are permitted for parameterization of t… |
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[Page 30] Siemens SITRANS LG250 30 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 All parameters changed by the operator are automatically stored temporarilysothattheycanbeveriedinthenextstep. Aftersetup,themodied… |
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[Page 31] Siemens SITRANS LG250 31 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Function test not required If the parameter check was successful, the adjustment is locked auto- matically and the instrument is again in safe operating state. Setupisthen�… |
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[Page 32] Siemens SITRANS LG250 32 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 In both cases the output current must correspond to the respective level. Measurethecurrentoutputandcomparethevaluewiththecalcu- lated current value…. |
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[Page 33] Siemens SITRANS LG250 33 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 7 Set up with the display and adjustment module 7.1 Insert display and adjustment module The display and adjustment module can be inserted into the sensor and removed again at… |
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[Page 34] Siemens SITRANS LG250 34 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 – Movetothemenuoverview – Conrmselectedmenu – Edit parameter – Save value • [->] key: – Presentation, change measured value – Select li… |
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[Page 35] Siemens SITRANS LG250 35 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 7.3 Parameter adjustment Themainmenuisdividedintovesectionswiththefollowingfunc- tions: Setup: Settings, e.g. measurement loop name, medium, v… |
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[Page 36] Siemens SITRANS LG250 36 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 To prevent unintentional or unauthorized adjustment, the instrument is protected (locked) against all parameter changes while in normal operating condition. For each parameter ch… |
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[Page 37] Siemens SITRANS LG250 37 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 In this menu item, you can select the application. You can choose between level measurement and interface measurement. You can also choose between measurement in a vessel or in … |
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[Page 38] Siemens SITRANS LG250 38 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 This menu item is only available if you have selected interface meas- urement under the menu item «Application». In this menu item you can choose the type of medium of t… |
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[Page 39] Siemens SITRANS LG250 39 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Enter the suitable distance value in m for the empty vessel (e.g. distancefromtheangetotheprobeend)correspondingtotheper- centage value. The d… |
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[Page 40] Siemens SITRANS LG250 40 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Enter the respective distance value in m for the empty vessel cor- responding to the percentage value. Todampprocess-dependentmeasuredvalueuctuations,setan�… |
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[Page 41] Siemens SITRANS LG250 41 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 + h D — h Fig. 23: Vessel height and socket correction value D Vessel height +h Positive socket correction value -h Negative socket correction value Since scaling is very exten… |
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[Page 42] Siemens SITRANS LG250 42 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Since scaling is very extensive, scaling of the level value was divided into two menu items. In menu item «Level 2″youdenethescalingformatonthe�… |
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[Page 43] Siemens SITRANS LG250 43 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 In the menu item «Currentoutputmode» you determine the output characteristics and reaction of the current output in case of failure. The default setting is output… |
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[Page 44] Siemens SITRANS LG250 44 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 In the menu «HART variables 1″youcanhavetherstHARTvaluePV (primary value) and the second HART value SV (secondary value) of the sensor disp… |
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[Page 45] Siemens SITRANS LG250 45 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Note: Check the distance to the product surface, because if an incorrect (too large) value is entered, the existing level will be saved as a false signal. The level would then n… |
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[Page 46] Siemens SITRANS LG250 46 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 is required. If a function test is necessary, the following message is displayed. In this case, you have to carry out a function test. Function test During a function test, you ha… |
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[Page 47] Siemens SITRANS LG250 47 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Otherwise the instrument remains in the released and hence unsafe condition. If you have to interrupt the function test, you can leave the display and adjustment module of SITRA… |
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[Page 48] Siemens SITRANS LG250 48 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 The default setting for the displayed value 2 is the electronics tem- perature. Theintegratedbackgroundlightingcanbeswitchoviatheadjust- ment menu…. |
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[Page 49] Siemens SITRANS LG250 49 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 In another window you can carry out a reset of the two peak values separately. The respective min. and max. measured values are saved in the sensor. The values are displayed in … |
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[Page 50] Siemens SITRANS LG250 50 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Select the requested simulation variable and set the requested value. Caution: During simulation, the simulated value is outputted as 4 … 20 mA cur- rent value and digital HART s… |
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[Page 51] Siemens SITRANS LG250 51 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 During the function test, the safety function must be treated as unsafe. Keepinmindthatthefunctiontestinuencesdownstreamconnected devices. You… |
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[Page 52] Siemens SITRANS LG250 52 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Setup Menu item Default value Modiedvalue Lock adjustment Locked Measurementloopname Sensor Units Distance unit: mm Temperature unit: °C Probe length Length of the pro… |
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[Page 53] Siemens SITRANS LG250 53 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Menu item Default value Modiedvalue Scaling interface — 100 % correspond to 100 Scaling interface — 0 % correspond to 0 Current output, output variable First HART variable (… |
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[Page 54] Siemens SITRANS LG250 54 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Menu item Default value Modiedvalue Devicememory-Measuredvaluememory-Start with measured value Not active Devicememory-Measuredvaluemem… |
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[Page 55] Siemens SITRANS LG250 55 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 In this menu item you gain access to the protected area where you can enter special parameters. In exceptional cases, individual parameterscanbemodiedinorder�… |
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[Page 56] Siemens SITRANS LG250 56 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 7.4 Saving the parameter adjustment data We recommended noting the adjusted data, e.g. in this operating instructions manual, and archiving them afterwards. They are thus availa… |
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[Page 57] Siemens SITRANS LG250 57 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 8 Setup with PACTware 8.1 Connect the PC 3 1 2 Fig.24:ConnectionofthePCdirectlytothesensorviatheinterfaceadapter 1 USBcableto�… |
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[Page 58] Siemens SITRANS LG250 58 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 8.2 Parameter adjustment with PACTware For parameter adjustment of the sensor via a Windows PC, the congurationsoftwarePACTwareandasuitableinstrumentdrive… |
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[Page 59] Siemens SITRANS LG250 59 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 8.3 Saving the parameter adjustment data We recommend documenting or saving the parameter adjustment data via PACTware. That way the data are available for multiple use or serv… |
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[Page 60] Siemens SITRANS LG250 60 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 9 Set up with other systems 9.1 DD adjustment programs Device descriptions as Enhanced Device Description (EDD) are availableforDDadjustmentprogramssuchas,f… |
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[Page 61] Siemens SITRANS LG250 61 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 10 Diagnostics and servicing 10.1 Maintenance If the device is used correctly, no maintenance is required in normal operation. When used in safety-instrumented systems (SIS), th… |
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[Page 62] Siemens SITRANS LG250 62 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Eventtypesare,forexample,parametermodications,statusand errormessagesaswellasswitchonandswitchotimes.Thedata… |
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[Page 63] Siemens SITRANS LG250 63 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 «Device status» in the indicating and adjustment module as well as in theDTMandEDD. The following table shows the error codes in the status message «Fail… |
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[Page 64] Siemens SITRANS LG250 64 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Code Text mes- sage Cause Rectication F260 Error in the instrument settings – Error in the calibration car- ried out in the factory – ErrorintheEEPROM – Exch… |
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[Page 65] Siemens SITRANS LG250 65 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Code Text mes- sage Cause Rectication S600 Impermissi- ble electronics temperature – Temperature of the pro- cessing electronics in the non-speciedsection – Check… |
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[Page 66] Siemens SITRANS LG250 66 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Code Text mes- sage Cause Rectication M504 Error on an device inter- face – Hardware defect – Exchanging the electronics – Send instrument for repair M505 no measured … |
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[Page 67] Siemens SITRANS LG250 67 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Error Cause Rectication Current sig- nal greater than 22 mA or less than 3.6 mA Electronics mod- ule in the sensor defective Exchange the instrument or send it in for repai… |
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[Page 68] Siemens SITRANS LG250 68 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Measurementerrorduringlling Fault description Error pattern Cause Rectication 3.Measuredvaluere- mains in the area of the bottomduringlling Level … |
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[Page 69] Siemens SITRANS LG250 69 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Order the replacement electronics module through the agency serving you. The electronics modules are adapted to the respective sensor. It is absolutely necessary that the factor… |
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[Page 70] Siemens SITRANS LG250 70 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Fig.36:Exchangecableorrod Information: Pleasemaintainthespeciedtorquesothatthemax.tensilestrength of the connection remains. 7. … |
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[Page 71] Siemens SITRANS LG250 71 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 8. Enter new probe length and then carry out a fresh adjustment (see «Setupprocedure,Carryingoutmin.adjustment-Carrying out max. adjustment»). … |
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[Page 72] Siemens SITRANS LG250 72 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 11 Dismount 11.1 Dismounting steps Warning: Before dismounting, be aware of dangerous process conditions such as e.g. pressure in the vessel, high temperatures, corrosive or toxi… |
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[Page 73] Siemens SITRANS LG250 73 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 12 Supplement 12.1 Technical data General data 316L corresponds to 1.4404 or 1.4435 Materials,wettedparts Ʋ Processtting(versionupto6bar) 316L and PP… |
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[Page 74] Siemens SITRANS LG250 74 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Processttings Ʋ Pipe thread, cylindrical (ISO 228 T1) G¾, G1, G1½ according to DIN 3852-A Ʋ American pipe thread, conical (ASMEB1.20.1) ¾ NPT, 1 NPT, 1½ NPT Ʋ F… |
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[Page 75] Siemens SITRANS LG250 75 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Ʋ Rod: ø 12 mm (0.472 in) 10 Nm (7.38 lbf ft) Torque for NPT cable glands and Conduit tubes Ʋ Plastic housing max. 10 Nm (7.376 lbf ft) Ʋ Aluminium/Stainless steel housing … |
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[Page 76] Siemens SITRANS LG250 76 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Starting current ≤10mAfor5msafterswitchingon,≤3.6mA Load see load diagram under Power supply Damping (63 % of the input variable), adjustable … |
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[Page 77] Siemens SITRANS LG250 77 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Ʋ Vessel metallic, ø 1 m (3.281 ft), centric installation, process ttingushwiththevesselceiling Ʋ Medium Water/Oil (dielectric constant ~2.0) 4) Ʋ Ins… |
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[Page 78] Siemens SITRANS LG250 78 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 L 2mm (0.079 «) 0 -2mm (-0.079 «) 15mm (0.591 «) -10mm (-0.591 «) 0,3 m (11.811 «) 0,15 m (5.906 «) 0,05 m (1.97 «) 0,07 m (2.756 &qu… |
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[Page 79] Siemens SITRANS LG250 79 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 L 0 -15mm (-0.591 «) 2mm (0.079 «) -2mm (-0.079 «) 15mm (0.591 «) 0,3 m (11.811 «) 0,15 m (5.906 «) 0,08 m (3.15 «) 0,05 m (1.969 &q… |
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[Page 80] Siemens SITRANS LG250 80 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Temperature drift — Digital output ±3 mm/10 K relating to the max. measuring range or max. 10 mm (0.394 in) Additional deviation through electromag- netic interference acc. to EN… |
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[Page 81] Siemens SITRANS LG250 81 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Process conditions Fortheprocessconditions,pleasealsonotethespecicationsonthetypelabel.Thelowestvalue always applies. Themeas… |
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[Page 82] Siemens SITRANS LG250 82 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 1 2 0°C (32°F) -40°C (-104°F) 55°C (131°F) 80°C (176°F) 200°C (392°F) 150°C (302°F) 3 4 -20°C (-68°F) Fig. 45: Ambient temperature — process temperature, version with… |
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[Page 83] Siemens SITRANS LG250 83 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Materials Ʋ Housing ABS Ʋ Inspection window Polyester foil Integrated clock Date format Day.Month.Year Time format 12 h/24 h Time zone Ex factory CET Electronics temperature m… |
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[Page 84] Siemens SITRANS LG250 84 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 Housing material Version IP-protection class NEMAprotection Aluminium Single chamber IP 66/IP 68 (0.2 bar) NEMA6P Double chamber IP 66/IP 67 IP 66/IP 68 (0.2 bar) NEMA4X N… |
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[Page 85] Siemens SITRANS LG250 85 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Aluminium housing 21 ø 84 mm (3.31″) ~ 116 mm (4.57″) 120 mm (4.72″) M20x1,5 M20x1,5/ ½ NPT ~ 91 mm (3.58″) M16x1,5 ø 84 mm (3.31″) 124 mm (4.88″)… |
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[Page 86] Siemens SITRANS LG250 86 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 SITRANSLG250,cableversionwithgravityweight 1 2 3 L SW 36 (1. 42″) (G¾, ¾ NPT) SW 41 (1. 61″) (G1, 1 NPT) SW 46 (1. 81″) (G1½, 1½ NPT) G¾, �… |
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[Page 87] Siemens SITRANS LG250 87 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 1 Cableversionø2mm(0.079in)withgravityweight 2 Cableversionø4mm(0.157in)withgravityweight 3 Cableversionwith… |
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[Page 88] Siemens SITRANS LG250 88 PBD-51041388SITRANS LG250 — Operating Instructions 46201-EN-150424 SITRANSLG250,rodversion L SW 36 (1. 42″) (G¾, ¾ NPT) SW 41 (1. 61″) (G1, 1 NPT) SW 46 (1. 81″) (G1½, 1½ NPT) G¾, ¾ NPT, G1, 1 NPT, G1½, 1½ NPT 22… |
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[Page 89] Siemens SITRANS LG250 89 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 12.3 Trademark All the brands as well as trade and company names used are property of their lawful proprietor/ originator. |
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[Page 90] Siemens SITRANS LG250 90 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 INDEX A Accessories – Display and adjustment module 11 – External display and adjustment unit 11, 12 Adjustment – Max.adjustment38, 39 – Min.adjustment�… |
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[Page 91] Siemens SITRANS LG250 91 PBD-51041388 SITRANS LG250 — Operating Instructions 46201-EN-150424 Repair 71 Replacement parts – Electronics module 12 – Rod extension 12 – Spacer 12 Reset 51 S Scaling measured value 41, 42 Sensor characteristics 55 Sensor status… |
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[Page 92] Siemens SITRANS LG250 Siemens AG Industry sector 1954 Technology Drive P.O. Box 4225 Peterborough. ON Canada K9J7B1 email: [email protected] www.siemens.com/processautomation Subject to change without prior notice PBD-51041388 Rev. 1.0 © Siemens AG 2015 For more … |
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