Omron VARISPEED E7 User Manual page 170

L6-01 Set Value and Operator Display
The relationship between alarms displayed on the Digital Operator when overtorque or undertorque is
detected and the setting in L6-01 is shown in the following table.
Set
Value
0 Overtorque/undertorque detection disabled.
1 Overtorque detection only with speed agree; operation continues (warning is output).
Overtorque detected continuously during operation; operation continues (warning is
2
output).
3 Overtorque detection only with speed agree; output is stopped upon detection.
4 Overtorque detected continuously during operation; output is stopped upon detection.
5 Undertorque detection only with speed agree; operation continues (warning is output).
Undertorque detected continuously during operation; operation continues (warning is
6
output).
7 Undertorque detection only with speed matching; output is stopped upon detection.
Undertorque detected continuously during operation; output is stopped upon detec-
8
tion.
Setting Example
The following diagram shows the time chart for overtorque and undertorque detection.
Overtorque Detection
•
Motor current (output torque)
L6-02
Overtorque detection 1 NO
Undertorque Detection
•
Motor current (output torque)
L6-02
Undertorque detection 1 NO
Function
* Overtorque detection switch off bandwidth is approximately
10% of the Inverter rated output current.
L6-03
* Undertorque detection switch off bandwidth is approximately
10% of the Inverter rated output current.
L6-03
Operator
Overtorque/ Under-
torque Detection 1
–
OL3 flashes
OL3 flashes
OL3 lights up
OL3 lights up
UL3 flashes
UL3 flashes
UL3 lights up
UL3 lights up
L6-03
L6-03
6
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6-