Siemens SIMATIC TDC - Pin Assignments

Communication modules
6.3 GDM memory module CP52M0
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
145
6.3.7
Pin assignments
Serial service interface (X1)
A control or configuration PC is connected to the 10-pin RJ-45 jack with polarity reversal
protection using the SC67 PC cable.
Table 6- 14 Pin assignment of X1 and cable SC67
X1
SC67
PIN
Designation
PIN CPU side
PIN PC side
1
DCD (Data Carrier Detect)
n.c.
n.c.
2
RxD (Receive Data)
2
3
3 TxD (Transmit Data) 3 2
4
DTR (Data Terminal Ready)
n.c.
n.c.
5
GND (Ground)
5
5
6
DSR (Data Set Ready)
n.c.
n.c.
7
RTS (Request to Send)
n.c.
n.c.
8
CTS (Clear to Send)
n.c.
n.c.
9
RI (Ring Indicator)
n.c.
n.c.
10
(n.c.)
n.c.
n.c.: not connected
Connector X6 with cable SC63
The assignment of the screw terminals on interface module SU13 corresponds to the pin
assignment of X6.
Table 6- 15 Pin assignment of X6
X6
Designation
SU13
X6
Designation
SU13
1
Digital output 1
1
26
n.c.
26
2
Digital output 2
2
27
n.c.
27
3
Digital output 3
3
28
n.c.
28
4
Digital output 4
4
29
n.c.
29
5
Digital output 5
5
30
n.c.
30
6
Digital output 6
6
31
n.c.
31
7
Digital output 7
7
32
n.c.
32
8
Digital output 8
8
33
n.c.
33
9
Ext. power supply +24V
9
34
n.c.
34
10
External ground
10
35
External ground
35
11
Digital output 9
11
36
n.c.
36
12
Digital output 10
12
37
n.c.
37
13 Digital output 11 13 38 n.c. 38
14
Digital output 12
14
39
n.c.
39
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