Omron SYSDRIVE 3G3JV User Manual page 230

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