Table of contents
1
Introduction...................................................................................................................................................7
1.1
1.2
Document history.....................................................................................................................7
1.3
Product compatibility................................................................................................................8
2
Communication.............................................................................................................................................9
2.1
System integration...................................................................................................................9
2.2
System configuration................................................................................................................9
2.3
System wiring.........................................................................................................................12
2.4
Connecting.............................................................................................................................14
2.4.1
3
Commissioning...........................................................................................................................................17
3.1
General requirements............................................................................................................17
3.2
3.3
Functions in SIMATIC PDM...................................................................................................17
3.4
Commissioning steps.............................................................................................................17
3.5
Initial Setup............................................................................................................................17
3.6
3.7
Configuring a new device.......................................................................................................21
3.8
3.9
3.10
3.11
4
MODBUS commands.................................................................................................................................33
4.1
Modbus addressing model.....................................................................................................33
4.2
Modbus communication.........................................................................................................33
4.3
Coil configuration...................................................................................................................35
4.4
Modbus register mapping.......................................................................................................36
4.5
Integer byte order...................................................................................................................38
4.6
Float transmission..................................................................................................................38
4.7
Float byte order......................................................................................................................39
4.8
Modbus function codes..........................................................................................................39
FCT030 Modbus (From firmware 4.0)
Function Manual, 06/2018, A5E39931813-AB
3