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Table 4- 1
Server ports of the CP
Protocol /
Port number
function
(protocol)
S7 communication
102 (TCP)
SNMP
161 (UDP)
PROFINET
34962 / 34963 /
34964 (UDP)
PROFINET CM
127 ports, variable
in the range 49125
... 65535 (UDP)
PROFINET-RPC 2x
552xx (UDP)
PROFINET-PN-EPM
Layer 2 services
DCP
Ports of communication partners (clients) and routers
Make sure that you enable the required client ports in the corresponding firewall on the
communications partners and in intermediary routers.
These can be:
• DNS / 53 (UDP)
• NTP / 123 (UDP)
4.2
CP in the configuration
CPs for SIMATIC S7-4100
CPs are responsible for the execution of communication tasks.
You can configure multiple CPs per controller. You can find the maximum number of
controllers in the section "Technical specifications" of the CPU manual /3/ (Page 49).
Engineering
You configure the CP in the engineering. For the required version, see section Software
requirements - Configuration (Page 15).
Description of the configuration
You can find the detailed description of the configuration in the online help for engineering.
SIMATIC CP 4163-1
Operating Instructions, 12/2022, C79000-G8976-C588-01
Default of the
Port status
port
Open
Open
Closed
Open after configuration
Open
Open
Open
Open
Open
Open
Default status
Open after configuration
Configuration
4.2 CP in the configuration
Authentication
No
No
No
No
No
Configurable
Yes
33
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