Machine Protection
6
-
31
Related Parameters
Multi-function Output (H2-01 and H2-02)
L6-01 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, is shown in the following table.
Param-
eter-
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Access
Level
LCD Display
L6-01
Torque detection selec-
tion 1
0: Overtorque/undertorque detection disabled.
1: Overtorque detection only with speed agreement; oper-
ation continues after overtorque (warning).
2: Overtorque detected continuously during operation;
operation continues after overtorque (warning).
3: Overtorque detection only with speed agreement; out-
put stopped upon detection (protected operation).
4: Overtorque detected continuously during operation;
output stopped upon detection (protected operation).
5: Undertorque detection only with speed agreement;
operation continues after overtorque (warning).
6: Undertorque detected continuously during operation;
operation continues after overtorque (warning).
7: Undertorque detection only with speed agreement; out-
put stopped upon detection (protected operation).
8: Undertorque detected continuously during operation;
output stopped upon detection (protected operation).
0 to 8
0
No
A
Torq Det Sel
L6-02
Torque detection level 1
V/f control: Inverter rated current is set as 100%.
0 to 300
150%
No
A
Toq Det 1 Lvl
L6-03
Torque detection time 1
Set the overtorque/undertorque detection time.
0.0 to
10.0
0.1 s
No
A
Torq Det 1 Time
Set
Value
Function
B
Overtorque/undertorque detection 1 NO
(NO contact: Overtorque detection and undertorque detection enabled when contact is ON)
17
Overtorque/undertorque detection 1 NC
(NC contact: Overtorque detection and undertorque detection enabled when contact is OFF)
Set
Value
Function
LED Indicator
Overtorque/Undertorque
Detection 1
0
Overtorque/undertorque detection disabled.
-
1
Overtorque detection only with speed matching; operation continues after
overtorque (warning).
OL3 flashes
2
Overtorque detected continuously during operation; operation continues
after overtorque (warning).
OL3 flashes
3
Overtorque detection only with speed matching; output stopped upon detec-
tion (protected operation).
OL3 lit
4
Overtorque detected continuously during operation; output stopped upon
detection (protected operation).
OL3 lit
5
Undertorque detection only with speed matching; operation continues after
overtorque (warning).
UL3 flashes
6
Undertorque detected continuously during operation; operation continues
after overtorque (warning).
UL3 flashes
7
Undertorque detection only with speed matching; output stopped upon
detection (protected operation).
UL3 lit
