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User manual SCAIME: NU-soft-eNod4B-E-0716_236704-C.doc
1 ENOD4 PRODUCT RANGE ...................................................................................... 7
1.1 General presentation ..................................................................................... 8
1.2 Versions ........................................................................................................... 8
1.2.1 Communication protocol versions ........................................................ 8
1.2.2 IO+ version ............................................................................................... 8
1.3 eNodView Software........................................................................................ 9
2 COMMUNICATION AND FUNCTIONING MODES.................................................. 9
2.1 Communication protocols Modbus RTU and SCMBus .............................. 10
2.2 Functioning mode ........................................................................................ 10
2.3 HMI name ...................................................................................................... 10
2.4 Simultaneous functioning of communications .......................................... 11
2.4.1 Standard version ................................................................................... 11
2.4.2 Profibus version ...................................................................................... 12
2.4.3 Ethernet versions ................................................................................... 13
3 MODBUS RTU ......................................................................................................... 13
3.1 Physical interfaces ....................................................................................... 14
3.2 Byte format .................................................................................................... 14
3.3 Modbus RTU supported functions ................................................................ 14
3.4 Frames structure ........................................................................................... 14
3.4.1 Function (03H/04H) – read N input registers (N = 30 max) ................ 14
3.4.2 Function (06H) – write single register ................................................... 15
3.4.3 Function (10H) – preset multiple registers (N = 30 max) .................... 15
3.4.4 Error frames ............................................................................................ 15
3.5 Address and Baud rate ................................................................................ 15
3.6 Product identification ................................................................................... 15
3.7 Measurement transmission .......................................................................... 16
3.8 EEPROM error management ........................................................................ 16
4 SCMBUS / FAST SCMBUS ...................................................................................... 16
4.1 Physical interfaces ....................................................................................... 17
4.2 SCMBus and fast SCMBus features ............................................................. 17
4.3 Byte format .................................................................................................... 17
4.4 Frames structure ........................................................................................... 18
4.4.1 Transmission organization .................................................................... 18
4.4.2 Reading request .................................................................................... 18
4.4.3 Functional command request (tare, zero...) ...................................... 18
4.4.4 Error frame.............................................................................................. 18
4.5 Address and Baud rate ................................................................................ 19
4.6 Product identification ................................................................................... 19
4.7 Measurement transmission .......................................................................... 19
4.8 Continuous transmission .............................................................................. 19
4.9 EEPROM error management ........................................................................ 19
5 CANOPEN® .......................................................................................................... 19
5.1 Physical interface ......................................................................................... 19
5.2 LED CANopen ............................................................................................... 19
5.3 Frame format ................................................................................................ 19
5.4 Messages transfers hierarchy...................................................................... 19