Omron SYSDRIVE 3G3MV A2002, User Manual

Page: 184 / 348

6-42
n038
Motor Protection Time Register 0126
Hex
Changes during
operation
No
Setting
range
1 to 60 (min) Unit of
setting
1 min Default setting 8
Set Values
·
This parameter is used to set the electronic thermal protection constant of motor over-
load detection OL1.
·
The default setting does not need any changes in normal operation.
·
To set the parameter according to the characteristics of the motor, confirm the thermal
time constant with the motor manufacturer and set the parameter with some margin. In
other words, set the value a little shorter than the thermal time constant.
·
To detect motor overloading more quickly, reduce the set value, provided that it does
not cause any application problems.
6-10-3 Cooling Fan Operation Function (n039)
·
This parameter is used to operate the cooling fan of the Inverter while the Inverter is
turned ON or only while the Inverter is in operation.
n039
Cooling Fan Operation Register 0127
Hex
Changes during
operation
No
Setting
range
0, 1 Unit of
setting
1 Default setting 0
Set Values
Value Description
0 The fan rotates only while the RUN command is input and for 1 minute after
the Inverter stops operating.
1 The fan rotates while the Inverter is turned ON.
·
This parameter is available only if the Inverter incorporates a cooling fan.
·
If the operation frequency of the Inverter is low, the life of the fan can be prolonged by
setting the parameter to 0.
6-10-4 Momentary Power Interruption Compensation
(n081)
·
The parameter specifies the processing that will be performed when a momentary
power interruption occurs.
Advanced Operation Chapter 6