Omron VARISPEED F7 User Manual page 233

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