Properties and services
1.4 Further services and characteristics of the CP
CP 443-1 Advanced (GX30)
20 Manual, 03/2019, C79000-G8976-C256-05
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For the PROFINET interface and the gigabit interface, you can configure how and with
which method the CP is assigned the IP address, the subnet mask and the address of a
gateway.
For the PROFINET interface, the IP configuration and the connection configuration can
also be assigned to the CP by the user program (program block IP_CONFIG; see /12/
(Page 120)).
Note: Does not apply to S7 connections.
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With the aid of Web diagnostics, you can read out the diagnostics data from a station
connected via the CP to a PG/PC with a Web browser. From the integrated Download
Center, you can download firmware updates.
The Web pages contain the following information:
– Module and status information
– Information on security functions
– Special information on S7 connections
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Diagnostics buffer extract request
With the aid of a Web browser, the CP supports the option of obtaining an extract of the
diagnostics buffer containing the most recent diagnostics events of the CPUs and CPs
located in the same S7 station as the CP.
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Connection diagnostics with the AG_CNTEX program block
With the AG_CNTEX program block, you can diagnose connections.
– When necessary, you can activate or deactivate connections or initiate
reestablishment of a connection.
– You can check the reachability of the connection partners using the PING function.
– You can find out which connection types are set up for the SEND / RECEIVE
interface.
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The addressing mode can be configured for FETCH/WRITE access as the S7 or S5
addressing mode (S7 addressing mode only for data blocks / DBs).
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