Connector For Profibus - Siemens S7-300 Configuration Manual

A.4

Connector for PROFIBUS

9-pin D-sub female connector for PROFIBUS (used with IE/PB Link)
Pin no.
1
2
3
4
5
6
7
8
9
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
Signal name
PI
-
RxD/TxD-P
RTS (AG)
M5V2
P5V2
BATT
RxD/TxD-N
-
A.4 Connector for PROFIBUS
PROFIBUS name
Protective earth
-
Data line B
Control A
Data reference
potential
Supply plus
-
Data line A
-
Connector pinout
Used with RS-485
yes
-
yes
-
yes
yes
-
yes
-
225