FISCHER Mess- und Regeltechnik GmbH Table of Content
BA_EN_DE90 iii
Table of Content
1 Safety instructions .......................................................................................................... 6
1.1 General................................................................................................................................... 6
1.2 Personnel Qualification........................................................................................................... 6
1.3 Risks due to Non-Observance of Safety Instructions............................................................. 6
1.4 Safety Instructions for the Operating Company and the Operator ......................................... 6
1.5 Unauthorised Modification...................................................................................................... 7
1.6 Inadmissible Modes of Operation........................................................................................... 7
1.7 Safe working practices for maintenance and installation work............................................... 7
1.8 Pictogram explanation............................................................................................................ 7
2 Product and functional description ............................................................................... 9
2.1 Delivery scope........................................................................................................................ 9
2.2 Intended use........................................................................................................................... 9
2.2.1 Explosion hazard area classification.......................................................................................... 9
2.2.1.1 Gas explosion protection ............................................................................................................ 9
2.2.1.2 Dust explosion protection ........................................................................................................... 9
2.3 Function diagram.................................................................................................................... 10
2.4 Design and mode of operation ............................................................................................... 10
2.5 Equipment versions................................................................................................................ 11
2.5.1 Type plate .................................................................................................................................. 12
3 Assembly.......................................................................................................................... 13
3.1 General................................................................................................................................... 13
3.2 Mounting in explosive areas ................................................................................................... 13
3.3 Process connection ................................................................................................................ 13
3.3.1 Replacement plates ................................................................................................................... 14
3.3.2 Cutting ring screw connections .................................................................................................. 15
3.4 Electrical connections............................................................................................................. 15
3.4.1 Operation in areas at risk of explosion....................................................................................... 15
3.4.2 Devices with switch outputs ....................................................................................................... 16
3.4.2.1 3-conductor circuit ...................................................................................................................... 16
3.4.2.2 M12 connector 1: auxiliary energy and analogue output............................................................ 17
3.4.2.3 M12 connector 2: switch outputs ................................................................................................ 17
3.4.3 Device with Modbus................................................................................................................... 18
3.4.3.1 Connection to an existing Modbus RTU network ....................................................................... 18
3.4.3.2 Auxiliary energy supply............................................................................................................... 19
3.4.3.3 M12 plug 1: Modbus IN .............................................................................................................. 19
3.4.3.4 M12 plug 2: Modbus OUT .......................................................................................................... 20
3.4.4 USB port .................................................................................................................................... 20
4 Start-up ............................................................................................................................. 21
4.1 Installation control................................................................................................................... 21
4.2 Switch on the measuring device............................................................................................. 21
4.2.1 Measured value display ............................................................................................................. 22
4.2.1.1 1 channel version ....................................................................................................................... 22
4.2.1.2 2 channel version ....................................................................................................................... 22
4.2.1.3 3 channel version ....................................................................................................................... 23
4.2.1.4 Back lighting ............................................................................................................................... 23
4.2.2 Keyboard.................................................................................................................................... 24
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