Siemens SIMATIC TDC User Manual

Communication modules
6.1 CP50M1 communication module
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
127
6.1.7
Pin assignments
PROFIBUS DP/MPI interface X1 and X2
The following connections are assigned to the 9-pin sub-D receptacle:
● PROFIBUS interface, RS 485 format and electrical isolation
● 5 V power supply for Optical Link Modules (OLM) with electrical isolation
Table 6- 4 Pin assignment of X1 and X2
Pin
Designation
Explanation
1
n.c.
n.c.
2 PB1/2_M24V Ground, non-isolated
3
PB1/2_RS458_B
Line B
4
PB1/2_RTSAS
RTS from AS
5
1/2MEXT
Ground P5, electrically isolated (to supply OLMs)
6
1/2P5EXT
P5 electrically isolated (to OLM supply) (5 V DC/90 mA)
7
PB1/2_P24MPI
P24, non-isolated (24 V DC/150 mA)
8
PB1/2_RS458_A
Line A
9 PB1/2_RTSPG RTS from programming device (n.c.)
Enclosure
Shield
Aotewell Ltd
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Industry Automation
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Siemens SIMATIC TDC Specifications

General

Brand	Siemens
Model	SIMATIC TDC
Category	Control Unit
Language	English