KSR KUEBLER WIKA BLM-SF-FM Operating Instructions Manual Download Page 33

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WIKA Operating Instructions Level Transmitter

– BLM-SF-FM

8. Service and repair

Under normal conditions, the sensor has not to be serviced. If there is
thorough pollution in the application, one should create service instruc-
tions.
If the sensor is defective, return it back to repair to the manufacturer.

Attention!

Send in original packing.

Attention!

Please supply a filled out copy of the attached Return-to-
Manufacturer form for ret

urn, otherwise the repair can’t be

processed.

Summary of Contents for WIKA BLM-SF-FM

Page 1: ...128541 16 10 2017 EN Operating instructions BLM SF FM EN BLM SF FM...

Page 2: ...anufacturer contact Sales contact KSR Kuebler Niveau Messtechnik AG Heinrich Kuebler Platz 1 69439 Zwingenberg am Neckar Germany Phone 49 6263 87 0 Fax 49 6263 87 99 info ksr kuebler com www ksr kuebl...

Page 3: ...FM 3 Contents 1 Field of application 4 2 Construction 6 3 Commissioning 7 4 Operating instructions 11 5 Analog output 29 6 Version history 30 7 Support in case of failures 31 8 Service and repair 33...

Page 4: ...gh resolution fast detection of level changes measured values are available fast after external voltage drops liquid level measured direct and linear recalculation of liquid level into fill volume of...

Page 5: ...this area By superposition of the two magnetic fields in the region of the float a mechanical torsion wave through the wire is created which travels with the material specific speed of sound in both...

Page 6: ...evel Transmitter BLM SF FM 2 Construction 2 1 Type BLM SF FM Level measurement on a magnetically operated liquid level gauge sensor head downwards Level measurement on a magnetically operated liquid l...

Page 7: ...conditions Before proceeding with the installation the customer has to check whether the ordered application conditions currently apply and if the sensor is suitable for the given application This re...

Page 8: ...ly ap plies in combination with the respective ambient tempera ture Attention Operation of the device is allowed only under considera tion of the corrosion durability in the environmental condi tions...

Page 9: ...low access for electrical connec tions see section 3 4 for details Caution Ensure that the cover is tightened and secured with the lock screw before power is applied to the unit Any unused entries mus...

Page 10: ...nding clamp GND Ground Attention According to local regulations the devices BLM SF FM have to be connected to the over voltage protection and the potential equalization Attention The sensor must be op...

Page 11: ...ollowing functions Button Function Move through menu structure change value OK Accept value enter active submenu 4 2 Menu structure It is possible to conduct parameter settings by using the HART proto...

Page 12: ...12 WIKA Operating Instructions Level Transmitter BLM SF FM 4 2 1 Menu structure The 4 20 mA settings can be changed via the operating menu Hereby the offset 4 mA and the span 20 mA can be adjusted...

Page 13: ...nu All important parameters as available via HART can be adjusted Access Press and hold all three buttons and OK until SET UP appears Remark if write protection is enabled see 4 2 2 14 the sensor asks...

Page 14: ...mA Offset PV value The standard value of the offset after reset to defaults is 40 mm above the lower sensor end 4 2 2 2 Adjustment of the span The span 20 mA point of the analogue output is adjustabl...

Page 15: ...ed by a transfer function PV x analogue output a The digital via HART available values are not altered by this function except the current value Therefore it is possible to control e g a valve with a...

Page 16: ...Switches current in case of error to 3 6 mA Hold Hold the last valid current value Avail Available since version 8 32 See also HART Command 131 since Version 8 32 4 2 2 5 Using of the current simulati...

Page 17: ...le they can be cor rected Therefore an ampere meter is connected in series to the transmitter After access of the calibration routine the analogue output of the transmitter is switched to 4 mA and the...

Page 18: ...polling address can be selected Hereby it is possible to sup ply multiple transmitters with a single current loop Every transmitter then can be queried by its unique address Access Setup HART Address...

Page 19: ...Standard value Off 4 2 2 9 Selection of the multidrop mode The measurement values of the sensor can be damped exponentially Therefore the time constant of the damping can be adjusted Access Setup HART...

Page 20: ...possible to use any measurement channel of the sensor for control of the analogue output This channel is designated PV Primary Value By means of the HART protocol all channels can be read out at any t...

Page 21: ...aries acc To the chosen channel Unit Short form Code Unit Short form Code Degrees Celsius C 32 Percent 57 Degrees Fahren heit F 33 Gramm g 60 Degrees Rankine r 34 Kilogram kg 61 Kelvin K 35 Ton t 62 G...

Page 22: ...HART Trim Example The transmitter shows a liquid level of 120 mm By a fuel level plunger a true level of 125 mm is measured The val ue for the correction is entered by Setup HART Trim Level 125 mm The...

Page 23: ...ia HART are denied and the entry to the setup menu is protected by a password The password is fixed to 746 If write protection has been turned on it has to be entered by and acknowledged by OK when ac...

Page 24: ...tting of the tank shape and characteristic curve The transmitter allows selection of a tank shape according to VDI VDE 3519 page 1 DIN 28 011 28 013 Hereby the volume is calculated from the product le...

Page 25: ...be mounted from top or bottom into the vessel This com mand turns the digital sup plied values in a way that the level and interface always count from zero bottom upwards Hereby the float has to be t...

Page 26: ...outwards in direction of the pole max 25 mm from pole S Bar magnet Tri pole with pole disc radial S outwards in direction of the pole max 25 mm from pole S N S Tri pole with pole disc radial N in midd...

Page 27: ...ossible channels are shown in the table below The unit of the measurement value and the number of displayed digits varies acc to the selected unit Bar graph Displays PV primary value as a bar graph Ac...

Page 28: ...the display contrast The display is temperature compensated over the whole temperature range of the transmitter To enhance readability under difficult lightings the contrast can be adjusted Access Set...

Page 29: ...error e g defective electronics the current will be set to 21 mA or 3 6 mA selectable If hold last value has been set in the 4 20 mA menu the last good current is kept Attention In multidrop mode avai...

Page 30: ...mmands are upwards compatible Device From date MOS Comments HW Firmware 0 8 00 16 02 2007 Rev 0 1 8 10 07 07 2008 Rev 1 2 New HART commands 41 48 2 8 20 26 11 2008 Rev 3 4 New HART commands 34 42 damp...

Page 31: ...or Current simulation or multi drop mode is active Wrong magnet type select ed Wrong mounting direction selected Sensor defective Check float stops Check float s density Remove magnetized mate rials o...

Page 32: ...ttons remove blockade Contact service Display RAM fail ure Volatile memory defective Contact service Display HART Modem failure HART Modem defective Contact service Display DAC fail ure Digital to Ana...

Page 33: ...d If there is thorough pollution in the application one should create service instruc tions If the sensor is defective return it back to repair to the manufacturer Attention Send in original packing A...

Page 34: ...y The operator is responsible for qualified and proper usage of this sensor The manufacturer is responsible for the proper construction Improper mounting and usage of devices can lead to loss of guara...

Page 35: ...environment from risks posed by adhering measuring material residues 8 1 Disassembly Only disassemble the measuring unit when it has been disconnected from voltage 8 2 Return shipment Use the origina...

Page 36: ...er Niveau Messtechnik AG Heinrich Kuebler Platz 1 69439 Zwingenberg am Neckar Germany Phone 49 6263 87 0 Fax 49 6263 87 99 info ksr kuebler com www ksr kuebler com WIKA Alexander Wiegand SE Co KG Alex...

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