YASKAWA Varispeed L7 User Manual

Protective Functions
5-35
5
Related Parameters
Multi-function Output (H2-01 to H2-03)
L6-01 and L6-04 Set Values and Operator Display (JVOP-160 only)
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.
Parameter
No.
Name
Factory
Setting
Change
during
Operation
Control Methods
V/f
Open
Loop
Vector
Closed
Loop
Vector
L6-01 Torque detection selection 1 2 No A A A
L6-02 Torque detection level 1 150% No A A A
L6-03 Torque detection time 1 10.0 s No A A A
L6-04 Torque detection selection 2 0 No A A A
L6-05 Torque detection level 2 150% No A A A
L6-06 Torque detection time 2 0.1 s No A A A
Set
Value
Function
Control Methods
V/f
Open
Loop
Vector
Close
d Loop
Vector
B
Overtorque/undertorque detection 1 NO
(NO contact: Overtorque detection and undertorque detection enabled when contact is ON)
Yes Yes Ye s
17
Overtorque/undertorque detection 1 NC
(NC contact: Overtorque detection and undertorque detection enabled when contact is OFF)
Yes Yes Ye s
18
Overtorque/undertorque detection 2 NO
(NO contact: Overtorque detection and undertorque detection enabled when contact is ON)
Yes Yes Ye s
19
Overtorque/undertorque detection 2 NC
(NC contact: Overtorque detection and undertorque detection enabled when contact is OFF)
Yes Yes Ye s
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
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YASKAWA Varispeed L7 Specifications

General

Brand	YASKAWA
Model	Varispeed L7
Category	Inverter
Language	English