Omron VARISPEED E7 User Manual page 120

Power Loss Ride Through: L2
Param-
eter Name
Number
0: Disabled (DC bus undervoltage
1: Enabled (Restarted when the
Momentary
L2-01 power loss detec-
tion
2: Enabled while CPU is operat-
Momentary Ride through time, when Momen-
L2-02 power loss ride tary Power Loss Selection (L2-01)
through time is set to 1, in units of seconds.
Sets the Inverter's minimum base-
block time, when the Inverter is
restarted after power loss ride-
through.
Min. baseblock Set the time to approximately 0.7
L2-03
time times the motor time constant.
When an over current or overvolt-
age occurs when starting a speed
search or DC injection braking,
increase the set values.
Sets the time required to return the
Voltage recovery Inverter output voltage from 0V to
L2-04
time normal voltage at the completion
of a speed search.
Sets the main circuit undervoltage
(UV) detection level (main circuit
Undervoltage
L2-05 DC voltage).
detection level
Usually changing this setting is not
necessary.
* 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.
Description
(UV1) detection)
power returns within the time
set in L2-02. When L2-02 is
exceeded, DC bus undervoltage
is detected.)
ing. (Restarts when power
returns during control opera-
tions. Does not detect DC bus
undervoltage.)
Change
Setting Factory during Access
Range Setting Opera- Level
tion
0 to 2 0 No A
0.1 s
0 to 2.0 No A
*1
0.1 to 0.1 s
No A
5.0 *1
0.0 to 0.3 s
No A
5.0 *1
150 to
190 V
210 No A
*2
*2
MEMO-
BUS Page
Register
485H 6-37
486H 6-37
6-37
487H
6-38
5
6-37
488H
6-38
489H 6-37
33
5-