CP 343-1 Lean
Manual, 10/2012, C79000−G8976−C198−07
37
Notes on configuration and operation
6
NOTICE
The front panel must be kept closed during operation.
6.1 Project engineering
Project engineering
To set up the CP for communication services, read the information on configuring in the
sections Project engineering (Page 23) and Replacing a module without a programming
devi
ce (Page 51). For detailed information on co
nfiguration, refer to Part A of this manual,
see References /1/ (Page 60).
6.2 Controlling the mode
You have the option of changing the mode of the CP between RUN and STOP using the
STEP 7 configuration software (PLC > Accessible Nodes).
Change from STOP to RUN
The CP loads configured and/or downloaded data into the work memory and then changes
to RUN mode.
Change from RUN to STOP
The CP changes to STOP - transitional phase with LED display "Stopping (RUN → STOP").
● Established connections of the open communications services (see also section
Communication services (Page 10)) are terminated.
● The followi
ng functions are disabled:
– PROFINET IO
– Time-of-day synchronization
● The following functions remain enabled:
– Downloading the configuration data and diagnostics of the CP
System connections for configuration, diagnostics and PG channel routing still exist.
– Web diagnostics (HTTP access)
– Routing function
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