Schneider Electric S7 manual System Structure, Overview, Connection

SIMATIC S7 Ethernet

System Structure

Overview

The following table describes the basic system setup for connecting the target machine to Siemens S7-200/300/400 Series PLCs over a network.

Connection

Series	CPU	Ethernet Module
SIMATIC S7-200	CPU222	CP 243-1 IT
	CPU224
Series	CPU224 XP	CP 243-1
	CPU226
	CPU312IFM
	CPU313
	CPU314
	CPU314IFM
	CPU315	CP 343-1 IT
	CPU315-2 DP
SIMATIC S7-	CPU316	CP 343-1*1
	CPU316-2 DP
300Series
	CPU318-2
	CPU 315-2 PN/DP
	CPU 317-2 PN/DP
	CPU 319-3 PN/DP
	CPU 315-2 PN/DP	Ethernet Interface on
	CPU 317-2 PN/DP
		CPU*3
	CPU 319-3 PN/DP
	CPU412-1
	CPU412-2 DP
	CPU413-1
	CPU413-2 DP
	CPU414-1
	CPU414-2 DP	CP 443-1 IT
	CPU414-3 DP
		CP 443-1
SIMATIC S7-400	CPU416-1
Series	CPU416-2 DP
	CPU416-3 DP
	CPU417-4
	CPU 414-3 PN/DP
	CPU 416-3 PN/DP
	CPU 414-3 PN/DP	Ethernet Interface on
	CPU 416-3 PN/DP
		CPU*3

*1 PLC supports a maximum of 16 connections. Because 2 connections are required for each target machine, one for Fetch and one for Write, the PLC can support up to 8 target machines.

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