Siemens SIMATIC CN 4100 Equipment Manual page 19

The possible configurations are listed below. Each table row corresponds to one configuration.
Redun‐ Slots for CPU
dancy
CPU 1 CPU 2
Redun‐ Yes Yes
dant
Yes Yes
Yes Yes
Non-re‐ Yes -
dundant
Yes -
Yes -
PN = Plant network
TCP = Ethernet (for TCP/IP interface to third-party systems)
CN 4100 Communication System
Equipment Manual, 10/2021, A5E50871363-AA
4.1 SIMATIC CN 4100 communication system configuration
Slots for communi‐ Integrated connections
cations modules
CM 1 CM 2 X1
- - PN
RS232 RS232 PN
RS485 RS485 PN
- - PN
RS232 - PN
RS485 - PN
X2 X1.1 X1.2
PN TCP TCP
PN TCP TCP
PN TCP TCP
- TCP TCP
- TCP TCP
- TCP TCP
Plant engineering
X2.1 X2.2
TCP TCP
TCP TCP
TCP TCP
- -
- -
- -
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