Omron SYSDRIVE 3G3JV-A4002, User Manual

Page: 220 / 235

10-5
Parame-
ter No.
(Register
No.
(Hex))
Refer-
ence
page
Changes
during op-
eration
Default
setting
Unit of
setting
Setting
range
Description Name
n32
(0120)
Rated mo-
tor current Used to set the rated motor current for motor
overload detection (OL1) based on the rated
motor current.
Note Motor overload detection (OL1) is dis-
abled by setting the parameter to 0.0.
Note The rated motor current is default to the
standard rated current of the maximum
applicable motor.
0.0 to
120% of
rated out-
put cur-
rent of
the In-
verter. 0.1 A Varies
with the
capacity. No 5-2
n33
(0121)
Motor
protection
character-
istics Used to set the motor overload detection
(OL1) for the electronic thermal characteristics
of the motor.
0: Protection characteristics for general-pur-
pose induction motors
1: Protection characteristics for inverter-dedi-
cated motors
2: No protection
Note If a single Inverter is connected to more
than one motor, set the parameter to 2
for no protection. The parameter is also
disabled by setting n32 for rated motor
to 0.0.
0 to 2 1 0 No 6-14
n34
(0122)
Motor pro-
tective
time set-
ting Used to set the electric thermal characteristics
of the motor to be connected in 1-minute incre-
ments.
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 thermal
time constant and set the parameter
with some margin. In other words, set
the value slightly shorter than the ther-
mal time constant.
Note To detect motor overloading quicker, re-
duce the set value, provided that it does
not cause any application problems.
1 to 60 1 min 8 No 6-14
n35
(0123)
Cooling
fan opera-
tion func-
tion Used to operate the Cooling Fan of the Invert-
er 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 operat-
ing
1: Rotates while Inverter is turned on
Note This parameter is available only if the In-
verter incorporates a Cooling Fan.
Note If the operation frequency of the Inverter
is low, the life of the fan can be pro-
longed by setting the parameter to 0.
0, 1 1 0 No 6-14
List of Parameters Chapter 10