Functions
8.16 Automatic restart
Control Units CU240S
8-94 Operating Instructions, 11/2006, A5E00766042B AA
Table 8-29 Automatic restart
ON always active Inverter ON and no
RUN command
Fault F0003 for All other faults for
P1210
Blackout Brownout Blackout Brownout
All faults + F0003
0 --- --- --- --- ---
1 Fault acknowledge --- --- --- Fault acknowledge
2 Fault acknowledge
+ restart
See Caution * --- --- ---
3 Fault acknowledge
+ restart
Fault acknowledge
+ restart
Fault acknowledge
+ restart
Fault acknowledge
+ restart
---
4 Fault acknowledge
+ restart
Fault acknowledge
+ restart
--- --- ---
5 Fault acknowledge
+ restart
See Caution * --- Fault acknowledge
+ restart
Fault acknowledge
6 Fault acknowledge
+ restart
Fault acknowledge
+ restart
Fault acknowledge
+ restart
Fault acknowledge
+ restart
Fault acknowledge
Caution
*
)
Automatic restart with external 24 V supply
If the Control Unit is powered by an external 24 V supply and the mains line supply fails, the
Power Module will lose power, but the Control Unit will remain active. If this situation occurs
then the Control Unit will not perform an automatic restart. This situation could result in the
inverter being in an undetermined state and may not react as predicted.
Source command for automatic restart
The automatic restart function has been designed to ignore command source time-outs. That
is, if the command sources is, for example, a PLC or through USS communications and the
PLC or USS times-out an automatic restart will not be initiated.
The number of start attempts is specified using parameter P1211. The number is internally
decremented after each unsuccessful attempt. After all attempts have been made (as
specified in parameter P1211), automatic restart is cancelled with the message F0035. After
a successful start attempt, the counter is again reset to the initial value.
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