Omron I537-E2-01 User Manual page 112

„
Power Loss Ridethrough: L2
Name
Param-
eter-
LCD Display
Number
Momentary
0: Disabled (main circuit under-
power loss
voltage (UV) detection)
detection
1: Enabled (Restarted when the
power returns within the time
for L2-02. When L2-02 is
exceeded, main circuit under-
L2-01
voltage detection.)
PwrL Selec-
2: Enabled while CPU is opera-
tion
ting. (Restarts when power
returns during control operati-
ons. Does not detect main cir-
cuit undervoltage.)
Momentary
Ridethrough time, when Momen-
power loss
ridethru time
L2-02 tary Power Loss Selection (L2-
PwrL Ride-
01) is set to 1, in units of seconds.
thru t
Sets the Inverter's minimum base-
Min. base-
block time, when the Inverter is
block time
restarted after power loss ride-
through.
Sets the time to approximately
L2-03 0.7 times the motor secondary
circuit time parameter.
PwrL Base-
When an overcurrent or overvolt-
block t
age occurs when starting a speed
search or DC injection braking,
increase the set values.
Sets the time required to return
Voltage recov-
ery time
the Inverter output voltage to nor-
mal voltage at the completion of a
L2-04 speed search.
PwrL V/F
Sets the time required to recover
Ramp t
from 0 V to the maximum volt-
age.
Sets the main circuit undervolt-
Undervoltage
age (UV) detection level (main
detection level
circuit DC voltage).
Usually changing this setting is
L2-05 not necessary.
Insert an AC reactor in the
PUV Det
Level
Inverter input side to lower the
main circuit undervoltage detec-
tion level.
* 1. The factory setting depends upon the Inverter capacity. The value for a 200 V Class Inverter of 0.4 kW is given.
* 2. These are values for a 200 V class Inverter. Value for a 400 V class Inverter is double.
Setting
Description
Range
0 to 2
0 to
25.5
0.1 to
5.0
0.0 to
5.0
150 to
210
*2
Change
RS-422A/
Factory during Access
485
Setting Opera- Level
Register
tion
0 No A 485H
0.1 s
No A 486H
*1
0.1 s
No A 487H
*1
0.3 s
No A 488H
*1
190 V
No A 489H
*2
Parameter Tables
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