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Functions of the IM 151-7 CPU
8-33
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
Availability of the S7 connections
The table below shows the S7 connections available on the IM 151-7 CPU.
Table 8-13 Availability of the S7 connections
Parameters
IM 151-7 CPU
Total number of S7 connections 12
Reserved for PD communication 1 to 11
Default: 1
Reserved for OP communication 1 to 11
Default: 1
Reserved for S7 basic communication 0 to 10
Default: 0
Free S7 connections All unreserved S7 connections are shown
as free connections.
Example of an IM 151-7 CPU
The IM 151-7 CPU makes 12 S7 connections available:
Reserve 2 S7 connections for PD communication.
Reserve 3 S7 connections for OP communication.
Reserve 1 S7 connection for S7 basic communication.
There remain 6 S7 connections for other communication utilities, such as S7
communication, OP communication, etc.
More detailed information
More detailed information on SFCs can be found in the Instruction list, in the
STEP 7 Online Help or in the System and Standard Functions Reference
Manual.
More detailed information on communication can be found in the
Communication with SIMATIC manual.
More detailed information on routing can be found in Chapter 8.9 and in the
STEP 7 Online Help.
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