Siemens S7-300 - SIMATIC S7 Communication Options with Ethernet Cps; Types of Communication

Communication via Ethernet CPs in S7 stations
1.3 SIMATIC S7 communication options with Ethernet CPs
Configuring and commissioning S7 CPs for Industrial Ethernet
16 Configuration Manual, 09/2013, C79000-G8976-C182-13
1.3
SIMATIC S7 communication options with Ethernet CPs
1.3.1
Types of communication
The Ethernet CP for SIMATIC S7 supports the following types of communication depending
on the CP type:
Possible types of communication /
mechanisms
Interfaces / services / protocols
PG/OP communication
S7 communication
With the protocols
• ISO
• TCP/IP (RFC 1006)
Open communications services With the SEND / RECEIVE interface and the
protocols
• ISO transport
• ISOonTCP (TCP/IP with RFC 1006)
• TCP
• UDP
With FETCH / WRITE services and the protocols
• ISO transport
• ISO-on-TCP
• TCP
PROFINET IO and PROFINET CBA With the protocols
• TCP
• UDP
• RT (PROFINET IO and CBA)
• IRT (PROFINET IO)
• DCOM (PROFINET CBA)
HTML process control with Web browser With the protocols
• HTTP or HTTPS
File management and file access with FTP With the protocols
• FTP or FTPS
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