Application and functions
1.3 Communications services
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
12 Operating Instructions, 01/2017, C79000-G8976-C426-03
Communications services
Communications services
The following communications services are supported:
●
S7 communication and PG/OP communication with the following functions:
– PUT/GET as client and server for data exchange with S7 stations
– PG functions
– Operator control and monitoring functions (HMI)
For S7 communication, the CP requires a fixed IP address.
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– Routing of S7 connections via the backplane bus and the CPU to other S7 stations
●
Open User Communication (OUC)
OUC via program blocks with the following protocols:
– TCP/IP
– ISO-on-TCP
– UDP
The CP 1543SP-1 supports Secure OUC.
You will find the program blocks supported by the three CP types in the section
Programming (OUC) (Page 95).
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E-mail using program blocks
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Via HTTP / HTTPS you can access the Web server of the CPU.
For telecontrol communication of the CP 1542SP-1 IRC, see section Telecontrol
communication of the CP 1542SP-1 IRC (Page 13).
For information on the Security functions of the CP 1543SP-1, refer to the section Security
functions (CP 1542SP-1 IRC, CP 1543SP-1) (Page 15).
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