Omron SYSDRIVE 3G3JV Setup Manual page 48

List of Parameters
Parameter Name
No. (Reg-
ister No.
(Hex))
n34 Motor
protec-
(0122)
tive time
setting
n35 Cooling
fan op-
(0123)
eration
function
3-8
Description
Used to set the electric thermal char-
acteristics of the motor to be con-
nected in 1-minute increments.
Note The default setting does not
require any changes in normal
operation.
Note To set the parameter accord-
ing to the characteristics of the
motor, check with the motor
manufacturer the thermal time
constant and set the parame-
ter 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 problems.
Used to operate the Cooling Fan of
the Inverter 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 In-
verter stops operating
1: Rotates while Inverter is turned on
Note This parameter is available
only if the Inverter incorpo-
rates a Cooling Fan.
Note If the operation frequency of
the Inverter is low, the life of
the fan can be prolonged by
setting the parameter to 0.
Setting Default
range setting
1 to 60 8
0, 1 0
Chapter 3
Changes Memo
during
opera-
tion
No
No