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Contents

VEGABAR 81 • 4

 … 20 mA

45025-EN-140228

9.1 

Maintenance

 ..................................................................................................................

46

9.2  Rectify faults ...................................................................................................................

46

9.3  Exchanging the electronics module ................................................................................

47

9.4

  Exchange process assembly with version IP 68 

(25

 bar) ................................................

47

9.5

  Software update .............................................................................................................

48

9.6  How to proceed if a repair is needed ..............................................................................

49

10  Dismounting

10.1  Dismounting steps..........................................................................................................

50

10.2  Disposal .........................................................................................................................

50

11  Supplement

11.1  Technical data ................................................................................................................

51

11.2  Dimensions .................................................................................................................... 61

Safety instructions for Ex areas

Please note the Ex-specific safety information for installation and op

-

eration in Ex areas. These safety instructions are part of the operating 

instructions manual and come with the Ex-approved instruments.
Editing status: 2014-02-11

Summary of Contents for VEGABAR 81

Page 1: ...Operating Instructions Pressure transmitter with chemical seal VEGABAR 81 4 20 mA Document ID 45025...

Page 2: ...and pressure compensation 13 4 3 Process pressure measurement 16 4 4 Level measurement 18 4 5 External housing 19 5 Connecting to power supply 5 1 Preparing the connection 20 5 2 Connecting 21 5 3 Si...

Page 3: ...w to proceed if a repair is needed 49 10 Dismounting 10 1 Dismounting steps 50 10 2 Disposal 50 11 Supplement 11 1 Technical data 51 11 2 Dimensions 61 Safety instructions for Ex areas Please note the...

Page 4: ...el and put into practice by them 1 3 Symbols used Information tip note This symbol indicates helpful additional information Caution If this warning is ignored faults or malfunctions can result Warning...

Page 5: ...nting or adjustment 2 4 General safety instructions This is a high tech instrument requiring the strict observance of stand ard regulations and guidelines The user must take note of the safety instruc...

Page 6: ...tic compatibility of equipment NE 43 Signal level for malfunction information from measuring transducers NE 53 Compatibility of field devices and display adjustment components NE 107 Self monitoring a...

Page 7: ...x Code for Smartphone App 13 Symbol of the device protection class 14 ID numbers instrument documentation 15 Reminder to observe the instrument documentation 16 Notified authority for CE marking 17 Ap...

Page 8: ...uctions manual Display and adjustment mod ule optional Supplementary instructions manual Heating for display and adjustment module optional Supplementary instructions manual Plug connector for con tin...

Page 9: ...nding output signal and outputted as measured value Measuring ranges up to 16 bar piezoresistive sensor element meas uring ranges up to 25 bar strain gauge DMS sensor element 1 3 4 2 Fig 3 Configurati...

Page 10: ...d stored according to the orientation and storage markings on the outside Unless otherwise indicated the packages must be stored only under the following conditions Not in the open Dry and dust free N...

Page 11: ...ng to the following standards DIN 2501 EN 1092 1 BS 10 ANSI B 16 5 JIS B 2210 1984 GOST 12821 80 You can find additional information in the supplementary instructions manual Flanges according to DIN E...

Page 12: ...d Loop the connection cable downward in front of the cable gland This applies particularly to Outdoor mounting Installations in areas where high humidity is expected e g through cleaning processes Ins...

Page 13: ...entilation the filter element must always be free of buildup Caution Do not use a high pressure cleaner The filter element could be dam aged which would allow moisture into the housing The following p...

Page 14: ...grated in the process assembly It is located in a rotatable metal ring and has the following function Atmospheric pressure compensation with relative pressure meas uring ranges Turn the metal ring in...

Page 15: ...1 1 Fig 7 Position of the filter element gastight leadthrough 1 Filter element With relative pressure measuring ranges the ambient pressure is detected and compensated by a reference sensor in the ele...

Page 16: ...ssible condensation can then drain off into the process line 1 2 3 Fig 9 Measurement setup for process pressure measurement of gases in pipelines 1 VEGABAR 81 2 Blocking valve 3 Pipeline Keep the foll...

Page 17: ...rotective accumulation of water is formed through condensation in the pipe bends Even in applications with hot steam a medium temperature 100 C on the transmitter is ensured Keep the following in mind...

Page 18: ...ve 3 Pipeline 4 4 Level measurement Keep the following in mind when setting up the measuring system Mount the instrument below the min level Do not mount the instrument close to the filling stream or...

Page 19: ...assembly 3 Connection cable process assembly External housing 4 External housing 5 Signal cable 1 Mark the holes according to the following drilling template 2 Fasten wall mounting plate with 4 screw...

Page 20: ...erence is expected which is above the test values of EN 61326 1 for industrial areas screened cable should be used Use cable with round cross section for instruments with housing and cable gland To en...

Page 21: ...nnected via the spring loaded terminals in the housing Connection to the display and adjustment module or to the interface adapter is carried out via contact pins in the housing Information The termin...

Page 22: ...the wires in the terminals by lightly pulling on them 8 Connect the screen to the internal ground terminal connect the outer ground terminal to potential equalisation 9 Tighten the compression nut of...

Page 23: ...tly connected connection cable 1 brown and blue to power supply or to the processing system 2 Shielding 5 5 External housing with version IP 68 25 bar 1 2 3 Fig 18 VEGABAR 81 in IP 68 version 25 bar w...

Page 24: ...t 1 Electronics module 2 Cable gland for voltage supply 3 Cable gland for connection cable transmitter 1 2 3 4 6 3 4 1 2 5 Fig 20 Connection of the sensor in the housing base 1 Yellow 2 White 3 Red 4...

Page 25: ...nstrument to power supply or after a voltage recurrence the instrument carries out a self check for approx 10 s Internal check of the electronics Indication of the instrument type hardware and softwar...

Page 26: ...ng cover 2 Place the display and adjustment module in the requested posi tion onto the electronics and turn to the right until it snaps in 3 Screw housing cover with inspection window tightly back on...

Page 27: ...p to next higher menu The device is adjusted via the four keys of the display and adjustment module The LC display indicates the individual menu items The functions of the individual keys are shown in...

Page 28: ...e menu item Application different adjustment units are available 4 Position correction In this menu item you compensate the influence of the installation position of the instrument offset on the measu...

Page 29: ...utput Display Settings e g for language measured value display lighting Diagnosis Information e g on instrument status pointer measure ment reliability simulation Additional adjustments PIN date time...

Page 30: ...lt setting is process pressure measurement The mode can be changed in this adjustment menu The VEGABAR 81 in conjunction with a slave sensor can be used for flow differential pressure density and inte...

Page 31: ...ion this value must not be influ enced by product coverage or static pressure With the manual position correction the offset value can be deter mined by the user Select for this purpose the function E...

Page 32: ...arried out without chang ing the product level These settings can be made ahead of time without the instrument having to be installed Note If the adjustment ranges are exceeded the entered value will...

Page 33: ...with OK and set the cursor to the requested position with 3 Set the requested mbar value with and store with OK For an adjustment with pressure simply enter the actual measured value indicated at the...

Page 34: ...dicated at the bottom of the display To damp process dependent measured value fluctuations set an integration time of 0 999 s in this menu item The increment is 0 1 s Depending on the sensor type the...

Page 35: ...Current output Min Max you determine the reac tion of the current output during operation The default setting is min current 3 8 mA and max current 20 5 mA In the menu item Lock unlock adjustment you...

Page 36: ...e is Lin percent The display and adjustment module has a backlight for the display In this menu item you switch on the lighting You can find the required operating voltage in chapter Technical data Th...

Page 37: ...ed value Caution During simulation the simulated value is outputted as 4 20 mA cur rent value and digital HART signal Push the ESC key to deactivate the simulation Information The simulation is termin...

Page 38: ...t A user programmable linearization curve as well as the measured value memory is deleted The following table shows the default values of the instrument De pending on the instrument version or applica...

Page 39: ...u item Parameter Default value Sensor status Peak value Pressure Actual measured value Temperature Actual temperature values from meas uring cell electronics Simulation Process pressure Reset Addition...

Page 40: ...ange Note Before saving the data in the sensor a safety check is made if the data match with the sensor For this purpose the sensor type of the source data as well as the target sensor are displayed I...

Page 41: ...the sensor as well as the date of the last change of sensor parameters are displayed via the display and adjustment module or via the PC In this menu item the features of the sensor such as approval...

Page 42: ...pply fails The following data or settings for adjustment of the display and ad justment module are saved All data of the menu Setup and Display In the menu Additional adjustments the items Sensor spec...

Page 43: ...n The DTMs can also be integrated into other frame applications according to FDT standard Note To ensure that all instrument functions are supported you should always use the latest DTM Collection Fur...

Page 44: ...In the full version there is also an extended print function for complete project documentation as well as a save function for measured value and echo curves In addition there is a tank calculation pr...

Page 45: ...d Communicator 375 475 Device descriptions for the instrument are available as EDD for pa rameter adjustment with the Field Communicator 375 or 475 For the integration of the EDD in the Field Communic...

Page 46: ...measuring range according to the wiring plan The following table describes possible errors in the current signal and helps to remove them Error Cause Rectification 4 20 mA signal not stable Fluctuatio...

Page 47: ...ctronics module available on site one can be ordered from the agency serving you You can find detailed information on the electronics exchange in the booklet Operating instructions for electronics mod...

Page 48: ...t to the desired position 7 Tighten the fixing screw with the hexagon key wrench The exchange is finished If there is no replacement part available on site one can be ordered from the agency serving y...

Page 49: ...detailed information on how to proceed under www vega com downloads and Forms and certifi cates By doing this you help us carry out the repair quickly and without hav ing to call back for needed info...

Page 50: ...anies We use recyclable materials and have designed the parts to be easily separable Correct disposal avoids negative effects on humans and the environ ment and ensures recycling of useful raw materia...

Page 51: ...wall mounting plate external housing plastic PBT Polyester 316L Seal between base and wall mounting plate EPDM fixed connected Seal ring housing cover NBR stainless steel housing silicone Alu plastic...

Page 52: ...r 120 MPa 1 bar 100 kPa 0 1000 bar 0 100 MPa 1500 bar 150 MPa 1 bar 100 kPa 1 0 bar 100 0 kPa 5 bar 500 kPa 1 bar 100 kPa 1 1 5 bar 100 150 kPa 10 bar 1000 kPa 1 bar 100 kPa 1 10 bar 100 1000 kPa 80 b...

Page 53: ...5 300 psig 1200 psig 14 5 psig 14 5 600 psig 1200 psig 14 5 psig 3 3 psig 25 psig 14 5 psig 7 7 psig 75 psig 14 5 psig Absolute pressure 0 15 psi 75 psi 0 psi 0 30 psi 120 psi 0 psi 0 150 psi 1200 psi...

Page 54: ...or details on the operating voltage see chapter Voltage supply Output signal 4 20 mA passive Range of the output signal 3 8 20 5 mA default setting Signal resolution 0 3 A Failure signal current outpu...

Page 55: ...characteristics Limit point adjustment according to IEC 61298 2 Characterstic curve Linear Reference installation position upright diaphragm points downward Influence of the installation position depe...

Page 56: ...ons refer to diaphragm material 316L as well as isolating liquid silicone oil They are only used for estimation The actual values depend on the diameter material and strength of the diaphragm as well...

Page 57: ...oxygen ap plications silicone oil KN2 2 40 150 C 40 302 F 40 150 C 40 302 F 40 60 C 40 140 F Silicone oil KN2 2 with cooling element 40 200 C 40 392 F 40 150 C 40 302 F 40 60 C 40 140 F Silicone oil K...

Page 58: ...and IP 66 IP 68 0 2 bar Options of the cable entry Cable gland M20 x 1 5 Cable diameter options 5 9 mm 0 20 0 35 in 6 12 mm 0 24 0 47 in 10 14 mm 0 39 0 55 in Cable entry NPT Blind plug M20 x 1 5 NPT...

Page 59: ...r approx 8 mm 0 315 in Colour Blue Options of the cable entry Cable gland M20 x 1 5 Cable diameter options 5 9 mm 0 20 0 35 in 6 12 mm 0 24 0 47 in 10 14 mm 0 39 0 55 in Cable entry NPT Blind plug M20...

Page 60: ...V 0 022 A 655 Potential connections in the instrument Electronics Not non floating Ground terminal Galvanically connected with the process fitting Electrical protective measures Housing material Versi...

Page 61: ...ngs represent only an extract of the possible versions Detailed dimensional drawings can be downloaded at www vega com under Downloads and Drawings Housing 69 mm 2 72 79 mm 3 11 112 mm 4 41 M20x1 5 NP...

Page 62: ...68 25 bar version 1 2 3 4 5 82 mm 3 23 80 mm 3 15 108 mm 4 25 41 6 mm 1 64 66 mm 2 60 59 mm 2 32 110 mm x 90 mm 4 33 x 3 54 110 mm x 90 mm 4 33 x 3 54 51 mm 2 01 41 6 mm 1 64 Fig 31 IP 68 version with...

Page 63: ...79 89 mm 3 5 26 mm 1 02 SW 27 mm 1 06 G1 2 28 mm 1 1 39 mm 1 54 SW 41 mm 1 61 G1 SW 55 mm 2 17 30 mm 1 81 60 mm 2 36 G1 1 2 26 mm 1 02 G1 2 SW 32 mm 1 26 20 mm 0 79 139 mm 5 47 89 mm 3 5 89 mm 3 5 89...

Page 64: ...Mb 25 6 100 63 28 5 60 40 6 100 85 43 60 50 6 100 95 54 5 60 DN PN D L Mb 25 6 100 40 6 100 50 6 100 H3 H7 4 09 0 39 DN mm PN G1 Mb L 10 40 RD44x1 6 RD28x1 8 RD28x1 8 RD44x1 6 104 104 10 20 40 20 DN...

Page 65: ...2 32 40 140 18 100 4 x 18 78 2 45 59 72 80 40 200 24 160 8 x 18 138 2 200 76 72 1 150 80 40 200 24 160 8 x 18 138 2 50 76 72 2 150 lbs D b k d2 d4 f RL d5 dM 2 150 50 48 3 47 3 150 3 150 110 150 150 1...

Page 66: ...80 40 7 87 0 95 6 3 8 x 0 71 5 43 0 08 7 87 2 99 2 84 1 150 80 40 7 87 0 95 6 3 8 x 0 71 5 43 0 08 1 97 2 99 2 84 2 150 lbs D b k d2 d4 f RL d5 dM 2 150 2 1 9 1 85 3 150 3 150 4 33 5 91 5 91 7 48 7 4...

Page 67: ...40 d4 3 35 4 33 4 92 7 87 5 43 80 40 6 3 d2 1 77 1 26 2 32 3 5 Mb 32 45 59 89 Mb k 0 71 0 71 0 79 0 79 2 68 3 47 4 02 DN mm PN b 25 16 100 16 100 16 100 16 100 16 100 16 100 16 100 16 100 18 d4 68 40...

Page 68: ...Schutzrechte N here Informationen unter www vega com Les lignes de produits VEGA sont globalement prot g es par des droits de propri t intellec tuelle Pour plus d informations on pourra se r f rer au...

Page 69: ...ure measurement 9 Display lighting 36 E EDD Enhanced Device Description 45 Electronics and terminal compartment single chamber housing 22 25 F Fault rectification 46 G Gas tight leadthrough Second Lin...

Page 70: ...70 Notes VEGABAR 81 4 20 mA 45025 EN 140228...

Page 71: ...71 Notes VEGABAR 81 4 20 mA 45025 EN 140228...

Page 72: ...of delivery application practical use and operat ing conditions of the sensors and processing systems correspond to the information available at the time of printing Subject to change without prior n...

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