
Operation
6.8 Communication via PROFIBUS DP
Enclosed Drives
350
Operating Instructions, 12/2018, A5E36652151A
PROFIBUS connection
The PROFIBUS is connected by means of a 9-pin SUB D socket (X126). The connections
are electrically isolated.
Table 6- 27 X126 - PROFIBUS connection
Pin
Signal name
Meaning
Range
1
SHIELD
Ground connection
2
M24_SERV
Power supply for teleservice, ground
0 V
3
RxD/TxD-P
Receive / transmit data P (B/B')
RS485
4
CNTR-P
Control signal
TTL
5
DGND
PROFIBUS data reference potential (C/C')
6
VP
Supply voltage plus
5 V ± 10%
7
P24_SERV
Power supply for teleservice P, + (24 V)
24 V (20.4 ... 28.8 V)
8
RxD/TxD-N
Receive / transmit data N (A/A')
RS485
9
-
Not assigned
Connectors
The cables must be connected via PROFIBUS connectors as they contain the necessary
terminating resistors.
The figure below shows suitable PROFIBUS connectors with/without a PG/PC connector.
PROFIBUS connector
without PG/PC connection
6ES7972-0BA42-0XA0
PROFIBUS connector
with PG/PC connection
6ES7972-0BB42-0XA0
Summary of Contents for SINAMICS S150 NEMA
Page 1: ......
Page 2: ......
Page 20: ...Table of contents Enclosed Drives 18 Operating Instructions 12 2018 A5E36652151A ...
Page 861: ......
Page 862: ......