148
NO.
Parameter
Name
Setting Range
default
WRT
User
setting
f420
Detection of
output short-
circuit during
start-up
0: Each time (standard
pulse)
1: Only one time after
power is turned on
(standard pulse)
2: Each time (short-time
pulse)
3: Only one time after
power is turned on
(short-time pulse)
0
●
f421
Motor electric-
thermal
protection
retention
selection
0: disabled.
1: Enabled.
0
○
f422
AI1 input loss
1~100%
0
○
f423
Activation of the
inverter during
4-20mA signal
loss
0: No measures.
1: Coast stop.
2: switch to Fallback
speed.
3: Speed maintaining.
4: Slowdown stop.
0
●
f424
Fallback speed
0.0 Hz ~f007
0.0
○
f425
PTC thermal
selection
0: Disabled
1: Enabled (trip mode)
2: Enabled (alarm
mode)
0
○
f426
Resistor value
for PTC
detection
100-9999Ω
3000
○
f428
Cumulative
operation time
alarm setting
0.0-999.9 h (0.1=10h)
610.0
○
f429
Inverter trip
retention
selection
0
：
clearing
1
：
maintaining
0
○
