Siemens Modbus Module - Siemens SINAMICS PERFECT HARMONY GH180 Function Manual

Modbus Communication
3.1 Description
Figure 3-2

Siemens Modbus Module

Connector
The module has fixed pin assignments for Data A and Data B. The following figure shows the
output pin configuration for RS485.
1
2
3
Figure 3-3
38
Pin 2: Data A
Pin 3: Data B
Pin 5: Ground
RS485 Pin Assignments
NXGpro Communication
Function Manual, AB, A5E33486415A