CP 1543-1
Operating Instructions, 12/2019, C79000-G8976-C289-08
11
Product overview, functions
Application
The CP is intended for operation in an S7-1500 automation system. It allows the S7-1500 to
be connected to Industrial Ethernet.
With a combination of different security measures such as firewall and protocols for data
encryption, the CP protects the S7-1500 or even entire automation cells from unauthorized
access. It also protects the communication between the S7 station and communications
partners from spying and manipulation.
2.1 Communication services
The CP supports the following communication services:
● Open User Communication (OUC)
Open User Communication supports the following communications services via the CP
using programmed or configured communications connections:
– ISO transport (complying with ISO/IEC 8073)
– TCP (IPv4/IPv6) (acc. to RFC 793 and 8200)
With the interface via TCPv4/v6 connections, the CP supports the socket interface to
TCP/IP available on practically every end system.
– ISO-on-TCP (acc. to RFC 1006)
– UDP (acc. to RFC 768)
– Multicast over UDP connection
The multicast mode is made possible by selecting a suitable IP address when
configuring connections.
– Sending e-mail via SMTP (port 25) or SMTPS (port 587) with authentication on an e-
mail server.
●
S7 communication
– PG communication
– Operator control and monitoring functions (HMI communication)
– Data exchange over S7 connections
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