Configuration and operation
6.2 Controlling the mode
CP 443-1 (EX30)
46 Manual, 03/2019, C79000-G8976-C255-05
●
Specifies whether the communication partner is authenticated.
●
Specifies whether the transfer is encrypted.
Ports of communication partners and routers
Make sure that you enable the required client ports in the corresponding firewall on the
communications partners and in intermediary routers.
These can be:
● DHCP / 67, 68 (UDP)
● (S)NTP / 123 (UDP)
You can change the mode of the CP between RUN and STOP using the STEP 7
configuration software or using STEP 7 special diagnostics.
The CP loads configured and/or downloaded data into the work memory and then changes
to RUN mode.
The CP changes to STOP (transitional phase with LED display "Stopping").
The reaction is as follows in STOP:
● Established connections (ISO transport, ISOonTCP, TCP, UDP connections) are
terminated
● The following the functions are disabled:
– Time-of-day synchronization
– PROFINET IO
● The following functions remain enabled:
– The configuration and diagnostics of the CP (system connections for configuration,
diagnostics, and PG channel routing are retained);
– Web diagnostics
– FTP access to the file system
– HTTP access
– Routing function
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