Communication modules
6.2 CP50M0 communication module
6.2.5
Connection options
Connection options of CP50M0
102
Pin assignments for X1 and X2
RS 232 (Download)
RS 485 (PROFIBUS)
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
TxD = 2
RxD = 7
Ground = 1
+Tx/Rx = 3
-Tx/Rx = 8
M5EXT = 5
P5EXT = 6