Rs485 Interface - Siemens SINAMICS V90 Operating Instructions Manual

Connecting

4.8 RS485 interface

Motor holding brake - motor side
Wiring
4.8 RS485 interface
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
130
Illustration Pin No.
Pin Signal name
1 Reserved
2 Reserved
3 RS485+
4 Reserved
5 M
6 3.3 V
7 Reserved
8 RS485-
9 Reserved
Signal
1 Brake+ Phase Brake+
2 Brake- Phase Brake-
Description
Do not use
Do not use
RS485 differential signal
Do not use
Ground to internal 3.3 V
3.3 V power supply for internal signal
Do not use
RS485 differential signal
Do not use
Operating Instructions, 09/2015, A5E36037884
Description
SINAMICS V90, SIMOTICS S-1FL6