Omron SYSDRIVE 3G3JVS ERIES User Manual page 151

List of Parameters
Parame- Name
ter No.
n34 Motor protec-
tive time setting
n35 Cooling fan op-
eration function
9-6
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Description
Used to set the electric thermal character-
istics of the motor to be connected in
1-minute increments.
Note The default setting does not require
any changes in normal operation.
Note To set the parameter according to the
characteristics of the motor, check
with the motor manufacturer the ther-
mal time constant and set the param-
eter with some margin. In other
words, set the value slightly shorter
than the thermal time constant.
Note To detect motor overloading quicker,
reduce the set value, provided that it
does not cause any application prob-
lems.
Used to operate the Cooling Fan of the In-
verter while the Inverter is turned on or
only while the Inverter is in operation.
0: Rotates only while RUN command is
input and for 1 minute after Inverter
stops operating
1: Rotates while Inverter is turned on
Note This parameter is available only if the
Inverter incorporates a Cooling Fan.
Note If the operation frequency of the In-
verter is low, the life of the fan can be
prolonged by setting the parameter
to 0.
Set- Unit Default Changes
setting
ting of set-
range ting
1 to 60 1 min 8 No
0, 1 1 0 No
Chapter 9
Refer-
during ence
opera- page
tion
6-14
6-14