Chapter 6. Function Description (I/O)
1.15) Trq Lmt Det
Trq Lmt Det is ON when the output of ASR (Torque reference) is saturated so that its limit value is generated.
1.16) OverLoad
Overload is ON when the inverter output current is higher than the overload alarm level. (On the basis of the rated
current of the motor) Refer to the following values of overload alarm level (I/O_57) and overload alarm time (I/O_58).
l
I/O_57: [Overload warning level], I/O_58 [Overload warning time]
If the inverter output current keeps flowing more than overload alarm level (I/O_57) and longer than overload alarm
time (I/O_58), alarm signal is triggered. The overload signal is canceled when the inverter output current flows less
than overload alarm level (I/O_57) and longer than overload alarm time (I/O_58) has passed.
Overload alarm signal can be generated by the multi-function outputs (1A-1B, 2A-2B, OC1-EG). “OL” should be set in
the I/O_41, 42 and 43 [Multi-function auxiliary terminal output setting] to use this function. Even if overload occurs, its
alarm signal is generated through the multi-function output terminal and the inverter keeps running.
Code
Display
Description
Range
Unit
Default
I/O_57
OL level
Overload warning level
30 ~ 250
%
150
I/O_58
OL time
Overload warning time
0 ~ 30
sec
10
l
Note:
The set value of overload alarm level is of percentage(%) to the rated current of the motor.
1.17) Stop
‘Stop’ is ON when the inverter keeps stopping.
1.18) Steady
This is ON when the inverter is running at the constant speed.
Multi-function
output (OverLoad)
Overload warning signal
T1
TIME
T1
I/O_58
ON
OFF
OFF
Output current
current