Operation
6.3 Start-up Behavior
Control Units CU240S
6-10 Operating Instructions, 11/2006, A5E00766042B AA
Successful swap
After a successful swap, F0395 will be displayed.
● In case of a standard CU a confirmation is necessary.
● In the case of CUs with fail-safe functions, an acceptance test must be performed.
Confirmation
On standard CUs the current parameter set needs to be checked and confirmed by clearing
F0395. It can be cleared via:
● Digital input or PLC signal (depends on the settings of P0700)
● setting P7844 = 0.
● Via the
button on the OP
Warning
The user is responsible for ensuring that the parameters held in the CU are the correct
parameters for their application.
Acceptance test
On CUs with fail-safe functions it is necessary to do an acceptance test (refer to the "Fail-
safe functions" section in this manual). To clear F0395 on CUs with fail-safe functions the
following procedure has to be followed:
● P0010 = 30
● P9761 = safety password
● P7844 = 0
● Carry out acceptance test
Swap fault
A swap fault is indicated if the automatic download fails. In this case, the CU will return to the
parameter set previously held in the EEPROM and F0395 as well as one of F0061, F0062
and F0063 will be generated.
First F0395 must be cleared via:
● Digital input or PLC signal (depends on the settings of P0700)
● setting P7844 = 0.
● Via the
button on the OP
In the next step F0061 / F0062 or F0063 has to be cleared via power cycle.
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