Vega VEGABAR 75 4 … 20 mA_HART Bedienungsanleitung

Operating InstructionsVEGABAR 754 … 20 mA/HARTProcess pressure/Hydrostaticp

The supply voltage range can differ depending on theinstrument version.The data for power supply are stated in chapter "Technicaldata" in the

l Dry and dust freel Not exposed to corrosive medial Protected againstsolar radiationl Avoiding mechanical shock and vibrationl Storage and transport

4 Mounting4.1 General instructionsMake sure thatthe wetted parts of VEGABAR 75, especiallythe seal and process fitting, are suitable for the existingpr

12Fig. 3: Temperature ranges1 Process temperature2 Ambient temperature4.2 Mounting stepsSeal the thread with teflon, hemp or a similar resistant sealma

5 Connecting to power supply5.1 Preparing theconnectionAlways keep in mind the following safety instructions:l Connect only in the complete absence of

industrial areas, screened cable should be used. For HARTmultidrop operation we recommend as standard practice theuse of screened cable.12Fig. 4: Conn

5.2 Connection procedureProceed as follows:1 Wire the connection cable up to the connection compart-ment. The bending radius must be at least 25 mm.2)

5.3 Wiring plan51234Fig. 5: Wire assignment, connection cable1 brown (+): to power supply or to the processing system2 blue (-): to power supply or to

+ – + – VEGADIS 12 TRANSMITTER + 4...20mA + NOT USED8 7 6 5 12 11 10 1 2 3 - OPERATE ti ZERO SPAN TRANSMITTER 3 4 5 1 2 Fig. 7: Terminal assignment,

6 Set up6.1 Setup steps without VEGADIS 12After mounting and electrical connection, VEGABAR 75 isready for operation.à Switch on voltageThe electronic

Contents1 About this document1.1 Function . . .. . . . . . . . . . . . . . . . . . . . . . . . . .51.2 Target group . . . . . . . . . . . . . . . . .

4 Empty the vessel or reduce process pressure5 Set a current of 4 mA with the [+] and [-] keys6 Meas. range end: Set rotary switch to "span"

8 Set rotary switch to "OPERATE"9 Close housing coverThe adjustment data are effective, the output current 4 … 20 mAcorresponds to the actual

7 Setup with PACTware™7.1 Connect the PC with VEGACONNECT 3~=2314Power supplyVEGACONNECT 3PACTware /TMFig. 9: Connecting the PC to the signal cable

7.2 Connect the PC with VEGACONNECT 42431OPENTWISTUSBLOCKFig. 10: Connecting the PC via HART to the signal cable1 VEGABAR 752 HART resistance 250 Ohm

7.3 Parameter adjustment with PACTware™Further setup steps are described in the operating instructionsmanual "DTM Collection/PACTware™" atta

8 Maintenance and fault rectification8.1 MaintenanceWhen used asdirected in normal operation, VEGABAR 75 iscompletely maintenance free.8.2 Fault cleara

à Check the pressure compensation in the housing andclean the filter element, if necessary? 4 … 20 mA signal missingl Wrong connection to power supplyà

9 Dismounting9.1 Dismounting stepsWarning:Before dismounting, be aware of dangerous process con-ditions such as e.g. pressure in the vessel, high temp

10 Supplement10.1 Technical dataGeneral dataManufacturer VEGA Grieshaber KG, D-77761 SchiltachType name VEGABAR 75Pressure type Gauge pressure or gaug

Nominal measuring ranges and overload resistanceNominal range Overload, max. pressure Overload, min. pressureGauge pressure0 … 0.1 bar/0 … 10 kPa 15 b

8 Maintenance and fault rectification8.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . .268.2 Fault clearance . . . . . . . . . . . . .

Characteristics linearReference installation position upright, diaphragm points downwardInfluence of the installation position <5 mbar/0.5 kPa (0.07

Total deviation (similar to DIN 16086)The total deviation (max. practical deviation) is the sum of basic accuracy and long-termstability:Ftotal= Fperf

Electromechanical dataConnection cable- Configuration four wires, one suspension cable, one breathercapillary, screen braiding, metal foil, mantle- Wir

100071050025012 181614 20 22 24 26 28 29 30 32 34 36ΩV1423Fig. 11: Voltage diagram VEGABAR 751 HART load2 Voltage limit Ex instrument3 Voltage limit n

Min. response time <25 nsElectrical protective measuresProtection IP 68 (25 bar)/IP 69KOvervoltage category IIIProtection class IIIExisting approva

10.2 DimensionsVEGABAR 75 - threaded fittingGG/GN 247,5 mm (9 3/4")111,5 mm (4 25/64")ø 55 mm (2 11/64")ø 41,6 mm (1 5/8")GLø 55 mm

VEGABAR 75 - hygienic fitting 1LACA CFTA RV/RWKA249 mm (9 51/64")249 mm (9 51/64")249 mm (9 51/64")249 mm (9 51/64")ø 84 mm (3 5/16

VEGABAR 75 - hygienic fitting 2SA249 mm (9 51/64")249 mm (9 51/64")ø 66 mm (2 19/32")ø 84 mm (3 5/16")ø 105 mm (4 9/64")AA/ABS

VEGABAR 75 - flange connection3 15/32" 4 1/64" 5 7/16" 5 7/16" 1/8" 1/8" 1/8" 1/8"4xø 45/64" 4xø 45/64&qu

10.3 Industrial property rightsVEGA product lines are global protected by industrial property rights.Further information see http://www.vega.com.Only

1 About this document1.1 FunctionThis operating instructionsmanual provides all the informationyou need for mounting, connection and setup as well asi

VEGA Grieshaber KGAm Hohenstein 11377761 SchiltachGermanyPhone +49 7836 50-0Fax +49 7836 50-201E-mail: [email protected] 9001All statem

2 For your safety2.1 Authorised personnelAll operations described in this operating instructions manualmust be carried out only by trained specialist

During the entire duration of use, the user is obliged todetermine the compliance of the required occupational safetymeasures with the current valid r

You can view all software histories on our website www.vega.com. Make use of this advantage and get registered for updateinformation via e-mail.2.8 Sa

3 Product description3.1 ConfigurationThe scopeof delivery encompasses:l VEGABAR 75 pressure transmitterl Documentation- thisoperating instructions man

3.2 Principle of operationVEGABAR 75 is a pressure transmitter for use in the chemical,food processing and pharmaceutical industry. Thanks to thehigh