Omron SYSDRIVE 3G3RV Series User Manual page 261

nL6-01 and L6-04 Set Values and LED Indicators
The relationship between alarms displayed by 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 Overtorque/undertorque detection disabled.
Overtorque detection only with speed matching; operation continues after
1
overtorque (warning).
Overtorque detected continuously during operation; operation continues
2
after overtorque (warning).
Overtorque detection only with speed matching; output stopped upon detec-
3
tion (protected operation).
Overtorque detected continuously during operation; output stopped upon
4
detection (protected operation).
Undertorque detection only with speed matching; operation continues after
5
overtorque (warning).
Undertorque detected continuously during operation; operation continues
6
after overtorque (warning).
Undertorque detection only with speed matching; output stopped upon
7
detection (protected operation).
Undertorque detected continuously during operation; output stopped upon
8
detection (protected operation).
nSetting Example
The following diagram shows the time chart for overtorque and undertorque detection.
Overtorque Detection
•
Motor current (output torque)
L6-02 or L6-05
Overtorque detection 1 NO
or overtorque detection 2 NO
*
Overtorque detection disabled band is approximately 10% of the Inverter rated output
current (or motor rated torque).
Function
*
L6-03 or
L6-06
ON
Machine Protection
LED Indicator
Overtorque/
Undertorque
Detection 1
-
OL3 flashes
OL3 flashes
OL3 lit
OL3 lit
UL3 flashes
UL3 flashes
UL3 lit
UL3 lit
*
L6-03 or
L6-06
ON
Overtorque/
Undertorque
Detection 2
-
OL4 flashes
OL4 flashes
OL4 lit
OL4 lit
UL4 flashes
UL4 flashes
UL4 lit
UL4 lit
45
6-