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Page 44 Vacon
Pump and fan control with autochange
4
3
2
1
t
trial
t
trial
Par. 8. 2 = 3
t
trial
= par. 8. 1
t
UD009K25
Three faults
Four faults
RUN
STOP
Number of faults
during t = t
trial
Figure 6-25 Automatic restart.
8. 3 Automatic restart, start function
The parameter defines the start mode:
0 = Start with ramp
1 = Flying start, see parameter 4. 6.
8. 4 Automatic restart after undervoltage trip
0 = No automatic restart after undervoltage trip
1 = Automatic restart after undervoltage fault condition returns to the normal
condition (DC-link voltage returns to the normal level)
8. 5 Automatic restart after overvoltage trip
0 = No automatic restart after overvoltage trip
1 = Automatic restart after overvoltage fault condition returns to the normal
condition (DC-link voltage returns to the normal level)
8. 6 Automatic restart after overcurrent trip
0 = No automatic restart after overcurrent trip
1 = Automatic restart after overcurrent faults
8. 7 Automatic restart after reference fault trip
0 = No automatic restart after reference fault trip
1 = Automatic restart after analog current reference signal (4—20 mA)
returns to the normal level (
>4 mA)
8. 8 Automatic restart after over-/undertemperature fault trip
0 = No automatic restart after temperature fault trip
1 = Automatic restart after heatsink temperature has returned to its normal
level between -10°C—+75°C.