CP 342-5 / CP 342-5 FO
Manual, 10/2011, C79000-G8976-C146-09
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Further notes on operation
6
6.1
General operation on PROFIBUS
Startup response with modified transmission speed
If you change the transmission speed when downloading the configuration, expect a
significantly longer startup delay on the CP. The startup delay can run into several minutes.
NOTICE
Clear/reset CP
Reset the CP memory before you download configuration data with a different transmission
speed.
To reset memory, use the corresponding function in the configuration tool or in special
diagnostics.
6.2
DP mode
DP data exchange
If the central CPU is in STOP mode, substitute values are transferred in the DP data
exchange.
The following applies: Default value = 0
