Machine Protection
6-
45
n
L6-01
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.
n
Setting
Example
The
following diagram shows the time chart for overtorque and undertorque detection.
•
Overtorque
Detection
Set
Value
Function
LED
Indicator
Overtorque/
Undertorque
Detection
1
Overtorque/
Undertorque
Detection
2
0
Overtorque/undertorque
detection disabled.
-
-
1
Overtorque
detection only with speed matching; operation continues after
overtorque
(warning).
OL3
flashes
OL4
flashes
2
Overtorque
detected continuously during operation; operation continues
after
overtorque (warning).
OL3
flashes
OL4
flashes
3
Overtorque
detection only with speed matching; output stopped upon detec-
tion
(protected operation).
OL3
lit
OL4
lit
4
Overtorque
detected continuously during operation; output stopped upon
detection
(protected operation).
OL3
lit
OL4
lit
5
Undertorque
detection only with speed matching; operation continues after
overtorque
(warning).
UL3
flashes
UL4
flashes
6
Undertorque
detected continuously during operation; operation continues
after
overtorque (warning).
UL3
flashes
UL4
flashes
7
Undertorque
detection only with speed matching; output stopped upon
detection
(protected operation).
UL3
lit
UL4
lit
8
Undertorque
detected continuously during operation; output stopped upon
detection
(protected operation).
UL3
lit
UL4
lit
*
*
L6-02 or L6-05
L6-03 or
L6-06
L6-03 or
L6-06
Overtorque detection 1 NO
or overtorque detection 2
NO
ON
ON
*
Overtorque detection disabled band is approximately 10% of the Inverter rated output
current (or motor rated torque).
Motor current (output torque)
Summary of Contents for SYSDRIVE 3G3RV
Page 1: ...USER S MANUAL SYSDRIVE 3G3RV High function General purpose Inverters Cat No I532 E1 1...
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