Supplementary information
16.6 Communication services
CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 10/2013, A5E32631667-AA
223
Allocation of S7 connection
resources
PROFINET IO Data exchange between I/O controllers
No No Yes
SNMP
(Simple Network
Standard protocol for network
diagnostics and parameter assignment
No No Yes
Open communication over
TCP/IP
Data exchange over Industrial Ethernet
with TCP/IP protocol (with loadable
Yes No Yes
Open communication over
ISO on TCP
Data exchange over Industrial Ethernet
with ISO on TCP protocol (with
Yes No Yes
Open communication over
Data exchange over Industrial Ethernet
with UDP protocol (with loadable FBs)
Yes No Yes
Data record routing For example, parameter assignment
and diagnostics of field devices on
Yes Yes Yes
Note
Communication via the PNIO interface
If you want to use the PNIO interface of the module for communication in plant operation,
you must also network this in Step 7 / HW Config / NetPro.
Connection resources in the S7-400 H
S7-400 H components provide a module-specific number of connection resources.
Availability of connection resources
Table 16- 5 Availability of connection resources
Total number of
connection resources
Can be used for
S7-H connections
Reserved from the total number for
Free S7 connections can be used for any of the above communication services.
Note
Communication service via the PROFIBUS DP interface
A fixed default timeout of 40
s is specified for communication services using S7 connection
resources. If you operate those communication services via a P
ROFIBUS DP interface at a
low baud rate, operation in configurations with a Ttr (Target Rotation Time) < 20
s is
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