Application and functions
1.3 Requirements for use
CP 443-5 Extended
12 Equipment Manual, 01/2023, C79000-G8976-C162-10
1.3.1 Use with the current CPU types
Configuration limits
To use the CP type described here, the following limits and constraints apply within a rack:
• Number of operable CPs: 14
• Max. number of external DP lines (CP as DP master): 10
The number CPs that can be operated as DP masters depends on the number of CP 443
-1
Advanced modules operated as PROFINET IO controllers in the S7
-400 station. In total, 10
PROFINET IO controller (CP 443-1 Advanced) - maximum 4
DP masters (CP 443-5 Extended) - maximum 10
• Multicomputing is supported (except with CiR and H systems)
System environment
The CP 443-5 Extended is supported by the S7-400 CPUs and CPU operating systems with the
order numbers and versions listed in the table below.
From the table, you can see which functionality is supported when you use the CP 4435
Extended V 6.1 with the various CPU types. The following characteristics are shown:
• CPU type, article number and edition
• Option of multicomputing
• The number of AG_SEND or AG_RECV calls on the SEND/RECEIVE interface that can be
active at the same time (data exchange on FDL connections over PROFIBUS and
corresponding connections over Industrial Ethernet)
• CPU support for SYNC/FREEZE functionality (SFC11) via the CP
200M devices that were assigned to SYNC/FREEZE groups with STEP 7 must not have
modules of the type FM or CP inserted.
• CPU support of the "Activate / deactivate DP slave (SFC12)" functionality via the CP
• CPU support of the functionality for "identifying the bus topology in a DP master system"
(SFC103) via the CP
• DPV1 functionality
• CiR functionality (DP slave / DP slot, configurable extension)
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