Siemens SIMATIC NET System Manual page 312

Communications processors for SIMATIC S7
8.2 Communications processors for SIMATIC S7-300
Gigabit interface
30 MB flash memory /
28 MB RAM
C-PLUG supplied
● Suitable / available or according to the specified standard.
Functions
The communications processors of this category support the following protocols and
technologies:
Protocol / function CP 343-1 Lean
SIPLUS CP 343-1 Lean
PROFINET
→ IO controller
→ IO device
→ CBA
ISO
TCP/UDP
MRP
IT
IP-R
FTP
PG/OP
S7/S5
● Suitable / available or according to the specified standard.
CP 343-1 Lean / SIPLUS 343-1 Lean
The CP 343-1 Lean and the SIPLUS 343-1 Lean are designed for connection of a SIMATIC
S7-300 system to Industrial Ethernet
networks also as a PROFINET IO device.
The device has the following characteristics and functions:
● A PROFINET interface with two RJ-45 connectors,
● 10/100 Mbps, full / half duplex with the functionality for autosensing and autocrossover
via an integrated 2-port switch
● Media redundancy (MRP):
– In an Ethernet network with ring topology, the communication processor supports the
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CP 343-1 Lean
SIPLUS CP 343-1 Lean
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CP 343-1
SIPLUS CP 343-1
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media redundancy protocol MRP
CP 343-1 CP 343-1 Advanced
SIPLUS CP 343-1 SIPLUS CP 343-1 Advanced
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CP 343-1 Advanced
SIPLUS CP 343-1 Advanced
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CP 343-1 ERPC
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System Manual, 09/2019, C79000-G8976-C242-10
CP 343-1 ERPC
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Industrial Ethernet