10-3
z Overload trip
Group Code Parameter Set Range Initial Unit
Function
group 1
F56 [Overload trip select] 1
0 ~ 1 1
F57 [Overload trip level] - 30 ~ 200 180 %
F58 [Overload trip time] - 0 ~ 60 60 sec
Set F56 to 1.
Inverter output is turned off when motor is overloaded.
Inverter output is turned off when excessive current flows to the motor for F58 – [Overload
trip time].
10.3 Stall prevention
Group Code Parameter Set Range Initial Unit
Function
group 1
F59 [Stall prevention select] -
0 ~ 7 0
F60 [Stall prevention level] -
30 ~ 200 150 %
I/O
group
I54
[Multi-function output terminal
select]
7
0 ~19
12
I55 [Multi-function relay select] 7 17
During acceleration: Motor starts deceleration when current exceeding the value set in
F60 flows.
During constant run: Motor decelerates when current exceeding the value set in F60
flows.
During deceleration: Motor deceleration is stopped when inverter DC link voltage rises
above a certain voltage level.
F60: The value is set as the percent of motor rated current (H33).
I54, I55: Inverter outputs signals through multi-function output terminal (MO) or relay
output (3ABC) or external sequence when stall prevention function is activated. Motor stall
status still can be monitored in these codes though F59 is not selected (000).
F59: Stall prevention can be set as the table below.
F59 Stall prevention
Setting
During
Deceleration
During
constant
speed
During
Acceleration
Bit 2 Bit 1 Bit 0
0 - - -
1 - -
9
2 -
9
-
3 -
9 9
4
9
- -
5
9
-
9
6
9 9
-
7
9 9 9
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