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Summary of Contents for VEGAMET 381 Ex

Page 1: ...Operating Instructions VEGAMET 381 Ex 4 20 mA signal conditioning instru ment in out...

Page 2: ...and transport 8 4 Mounting 4 1 General instructions 9 4 2 Mounting instructions 9 5 Connecting to voltage supply 5 1 Preparing the connection 11 5 2 Connection procedure 12 5 3 Wiring plan 13 6 Setup...

Page 3: ...9 Supplement 9 1 Technical data 26 9 2 Dimensions 29 VEGAMET 381 Ex 4 20 mA signal conditioning instrument 3 Contents 30418 EN 060925...

Page 4: ...information Caution If this warning is ignored faults or malfunctions can result Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this...

Page 5: ...r damage to system components through incorrect mounting or adjustment 2 4 General safety instructions The VEGAMET 381 Ex is a high tech instrument requiring the strict observance of standard regulati...

Page 6: ...ronment is one of our most important duties That is why we have introduced an environment management system with the goal of continuously improving company environmental protection The environment man...

Page 7: ...rther certi cates 0 1 2 3 4 5 6 7 8 9 A B C 1 2 1 3 8 7 6 5 2 4 Fig 1 VEGAMET 381 Ex 1 Status indication operating relay 1 and 2 2 Status indication fail safe relay 3 Status indication operation 4 adj...

Page 8: ...integrated Wide range power supply unit with 20 253 V AC DC for world wide use You can nd detailed information on the power supply in the Technical data in the Supplement 3 3 Operation The adjustment...

Page 9: ...nting the instrument the slide switch is no longer accessible 4 2 Mounting instructions 1 Place the adapter plate 1 to the rear of VEGAMET 381 Ex spring of the adapter plate downward and fasten the pl...

Page 10: ...d tighten with a screwdriver 3 Insert VEGAMET 381 Ex from the front into the front panel 1 4 Place the clamping strap 2 from the back over the pin 3 and pull it with the knurled nut 4 against the pane...

Page 11: ...l In the sensor the screen must be connected directly to the internal ground terminal The ground terminal outside on the sensor housing must be connected to the potential equal isation If potential eq...

Page 12: ...nection it is absolutely necessary to plug the blue Ex separating chamber to terminals 1 and 2 sensor input This ensures the required distance of at least 50 mm 1 97 in to other instruments 1 Place th...

Page 13: ...g 5 Terminal assignment VEGAMET 381 Ex 1 Meas data input sensor power supply with sockets for VEGACONNECT 2 Current output 3 Fail safe relay 4 Relay 2 5 Relay 1 6 Supply voltage Overview VEGAMET 381 E...

Page 14: ...ted This input is for connection of transmitters with own separate voltage supply sensors in four wire version The VEGAMET 381 Ex can be also connected into the existing circuit like a normal current...

Page 15: ...n the two slots on the top and turn it slightly 0 1 2 3 4 5 6 7 8 9 A B C 1 2 1 3 8 7 6 5 2 4 Fig 6 Indicating and adjustment elements 1 Status indication operating relay 1 and 2 2 Status indication f...

Page 16: ...can be inserted in the cover In case several VEGAMET 381 Ex are used each measurement loop should be clearly labelled After being switched on VEGAMET 381 Ex rst of all carries out a short self check T...

Page 17: ...ed in its nal position Set the function switch to position A The display indicates now the actual sensor current in mA Save the current status by pushing the keys simultaneously For this adjustment pr...

Page 18: ...of the relay l Over ll protection Relay is switched o when the max level is exceeded safe currentless condition relay is switched on again when the level falls below the min level switch on point swit...

Page 19: ...h place the decimal point in the required position and save your settings Now select position 6 or 7 on the function switch enter the requested values for 100 or 0 and save your settings To suppress u...

Page 20: ...ation is terminated To start simulation push the keys simultaneously until the displayed value starts ashing approx 3 seconds By pushing either of the keys you can set the requested simulation value a...

Page 21: ...value output 4 20 mA or 0 20 mA For this example choose 4 20 The displayed numbers have the following meanings l 0 20 0 20 mA l 4 20 4 20 mA Save the value by pushing the keys simultaneously To scale...

Page 22: ...ay is energized If the switching points are too close together 0 1 the appropriate LED ashes The relay takes on the safe condition In mode OPERATE an error message is outputted on the display l If you...

Page 23: ...this way and faults can be recti ed However should this measures not be successful call the VEGA service hotline in urgent cases under the phone no 49 1805 858550 The hotline is available to you 7 da...

Page 24: ...If a repair is necessary please proceed as follows You can download a return form 23 KB in the Internet from our homepage www vega com under Downloads Forms and Certi cates Repair form By doing this...

Page 25: ...asily separable WEEE directive 2002 96 EG This instrument is not subject to the WEEE directive 2002 96 EG and the respective national laws in Germany e g ElektroG Pass the instrument directly on to a...

Page 26: ...of input switch over mode active sensor is powered by VEGAMET 381 Ex mode passive sensor has own power supply Measured value transmission 4 20 mA analogue Terminal voltage mode active 20 15 V at 4 20...

Page 27: ...logue indication Max indicating range 9999 9999 LED displays Status indication operating voltage 1x LED green Status indication fault signal 1x LED red Status indication operating relay 1 2 2x LED yel...

Page 28: ...ating measures Reliable separation acc to VDE 0106 part 1 between power supply sensor input and digital part Reference voltage 250 V Isolation resistance 3 75 kV Galvanic separation between relay outp...

Page 29: ...mm 3 25 32 69mm 2 23 32 2mm 5 64 19mm 3 4 96mm 3 25 32 102mm 4 1 64 111mm 4 3 8 92mm 3 5 8 on 1 2 1 2 Fig 8 Dimensions VEGAMET 381 Ex Supplement VEGAMET 381 Ex 4 20 mA signal conditioning instrument 2...

Page 30: ...Supplement 30 VEGAMET 381 Ex 4 20 mA signal conditioning instrument 30418 EN 060925...

Page 31: ...Supplement VEGAMET 381 Ex 4 20 mA signal conditioning instrument 31 30418 EN 060925...

Page 32: ...om www vega com ISO 9001 All statements concerning scope of delivery application practical use and operating conditions of the sensors and processing systems correspond to the information avail able a...

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