
RTU Modbus interface : MPNC006 Mect srl
1
ME7084_05 07/21
INDEX
INDEX...........................................................................................................................1
1Introduction ...........................................................................................................3
1.1 Staff qualification .............................................................................................3
1.2 Symbols.............................................................................................................3
1.3 Nomenclature....................................................................................................3
1.4 Security.............................................................................................................4
2Hardware Installation............................................................................................4
2.1 System description............................................................................................4
2.2 Features.............................................................................................................5
2.3 Installation ........................................................................................................7
2.3.1 Distances .................................................................................................7
2.3.2 Insertion and removal of components.....................................................7
2.3.3 Assembly sequence .................................................................................7
2.3.4 Proprieties of DIN rail and TBUS..........................................................8
3MPNC006 Wiring .................................................................................................9
3.1 Power supply.....................................................................................................9
3.1.1 Isolation...................................................................................................9
3.1.2 System power supply ..............................................................................9
3.1.3 Digital outputs power supply................................................................10
3.1.4 Fuses......................................................................................................10
3.1.5 Grounding..............................................................................................10
3.1.6 Cable screen ..........................................................................................10
3.2 The daisy chain...............................................................................................11
3.3 I/O Connection................................................................................................11
3.3.1 Analog input connection .......................................................................12
3.3.2 Digital inputs Connection.....................................................................12
3.3.3 Digital outputs connection ....................................................................13
3.4 Max Configuration..........................................................................................13
3.5 Modbus parameters configuration..................................................................14
3.5.1 Address (ID module).............................................................................14
3.5.2 Baud Rate settings.................................................................................15
3.5.3 Parity and stop bit configuration..........................................................16
3.5.4 Reset Configuration...............................................................................18