Vacon Plc
Phone: +358-201 2121
Fax:+358-201 212 205
Service: +358-40-8371 150
E-mail: [email protected]
Page 44
Vacon
Pump and fan control with autochange
4
3
2
1
ttrial
ttrial
Par. 8
.
2 = 3
ttrial = par. 8
.
1
t
UD009K25
Three faults
Four faults
RUN
STOP
Number of faults
during t = ttrial
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.