Rs485 Interface - X12 - Siemens SINAMICS V90 Getting Started

4.8

RS485 interface - X12

The SINAMICS V90 servo drives support communication with the PLCs through the RS485 interface over the USS or
Modbus protocol.
Pin assignment
Illustration
Type: 9-pin, Sub-D, female
62
Pin Signal name
1 Reserved
2 Reserved
3 RS485+
4 Reserved
5
6 3.3 V
7 Reserved
8 RS485-
9 Reserved
Do not use
Do not use
RS485 differential signal
Do not use
M Ground to internal 3.3 V
3.3 V power supply for internal signal
Do not use
RS485 differential signal
Do not use
Description
Getting Started
A5E36037886-003, 04/2017