Toshiba VF-FS1 - Manual (Page 160)

E6581381
F-64
6
6.17.12 Undervoltage trip
H : Undervoltage trip/alarm selection
• Function
This parameter is used for selecting the control mode when an undervoltage is detected. Trip
information is displayed as "WR".
H =: The inverter is stopped. However, it is not tripped (Failure signal FL not activated).
The inverter is stopped when the voltage does not exceed 60 % or less of its rating.
H =: Inverter is stopped. It is also tripped (Failure signal FL activated), only after detection of a voltage
not exceeding 60% or less of its rating.
H =: Inverter is stopped. However, it is not tripped (Failure signal FL not activated). The inverter stop
(Failure signal FL not activated.), only after detection of a voltage not exceeding 50% of its rating.
Be sure to connect the input reactor.
Title Function Adjustment range Default setting
H
Undervoltage trip/alarm
selection
0: Alarm only (detection level below 60%)
1: Tripping (detection level below 60%)
2: Alarm only (detection level below 50%,
input reactor needed)
0