Omron VARISPEED F7

6-50
6
L6-01 and L6-04 Set Values and Operator Display
The relationship between alarms displayed on the digital operator when overtorque or undertorque is detected,
and the set values in L6-01 and L6-04, is shown in the following table.
Timing Charts
Fig 6.52 and Fig 6.53 show the timing charts for overtorque and undertorque detection.
Fig 6.52 Overtorque Detection
Fig 6.53 Undertorque Detection
Set
Value
Function
Operator Display
Overtorque/
Undertorque
Detection 1
Overtorque/
Undertorque
Detection 2
0 Overtorque/undertorque detection disabled. – –
1 Overtorque detection only with speed agree; operation continues (warning is output). OL3 flashes OL4 flashes
2 Overtorque detected continuously during operation; operation continues (warning is output). OL3 flashes OL4 flashes
3 Overtorque detection only with speed agree; output is stopped upon detection. OL3 lights up OL4 lights up
4 Overtorque detected continuously during operation; output is stopped upon detection. OL3 lights up OL4 lights up
5 Undertorque detection only with speed agree; operation continues (warning is output). UL3 flashes UL4 flashes
6 Undertorque detected continuously during operation; operation continues (warning is output). UL3 flashes UL4 flashes
7 Undertorque detection only with speed matching; output is stopped upon detection. UL3 lights up UL4 lights up
8 Undertorque detected continuously during operation; output is stopped upon detection. UL3 lights up UL4 lights up
Motor current (output torque)
L6-02 or L6-05
Overtorque detection 1 NO
or overtorque detection 2 NO
*Overtorque detection switch off bandwidth is approximately 10% of the Inverter
rated output current (or motor rated torque).
L6-03 or
L6-06
L6-03 or
L6-06
Motor current (output torque)
L6-02 or L6-05
L6-03 or
L6-06
L6-03 or
L6-06
Undertorque detection 1 NO
or undertorque detection 2 NO
* Undertorque detection switch off bandwidth is approximately 10% of the Inverter
rated output current (or motor rated torque).