INVT Goodrive350-19 Series Operation Manual page 286

Goodrive350-19 series VFD for crane
Function
Name
code
Automatic current
P11.06
limit threshold
Frequency drop
P11.07 rate during current
limit
VFD/motor OL/UL
P11.08 pre-alarm
selection
Overload
P11.09 pre-alarm
detection level
Overload
P11.10 pre-alarm
detection time
Description
0: OL2 is valid.
1: OL2 is invalid.
2: Reserved
Note: It can be modified only when
indicating special functions are enabled.
Current-limit protection function detects output
current during running, and compares it with the
current-limit level defined by P11.06, if it
exceeds the current-limit level, the VFD will run
at stable frequency during accelerated running,
or run in decreased frequency during
constant-speed running; if it exceeds the
current-limit level continuously, the VFD output
frequency will drop continuously until reaching
lower limit frequency. When the output current is
detected to be lower than the current-limit level
again, it will continue accelerated running.
Output current A
Current-limit
threshold
Output frequency f
Set
frequency
Acceleration
P11.06 setting range: 50.0–250.0% (of the rated
VFD output current)
P11.07 setting range: 0.00–50.00Hz/s
If the VFD or motor output current is larger than
the overload pre-alarm detection level (P11.09),
and the duration exceeds the overload
pre-alarm detection time (P11.10), overload
pre-alarm signal will be outputted.
-274-
P11.26 is 1
Time t
Constant
speed
Time t
Function parameter list
Default Modify
◎
250.0%
10.00
◎
Hz/s
○
0x0000
○
150%
○
1.00s