S4: Rescue Operation - YASKAWA L1000A Technical Manual

■
S3-40: Anti-Rollback Movement Detection
Sets the amount of speed feedback signal pulses to detect a movement of the rotor.
No.
S3-40
■
S3-41: Position Lock Gain at Start 2 Reduction
Sets a reduction factor for the Position Lock Gain at Start 2 (Anti Rollback Gain) set in parameter S3-02.
If the motor rotation (i.e., car movement) is below the movement detection level set to S3-40, the drive will reduce the
Anti-Rollback gain according to the gain reduction level set in S3-41.
No.
S3-41

◆ S4: Rescue Operation

Rescue Operation switches to a backup battery or some other UPS during a power outage. Refer to
page 123 for details.
■
S4-01: Light Load Direction Search Selection
Enables and disables the Light Load Direction Search.
No.
S4-01
0: Disabled
1: Enabled
2: Enabled for motor 1 only
■
S4-02: Light Load Direction Search Method
Determines the method used to perform Light Load Direction Search.
No.
S4-02
0: Output current
1: Detect direction of regeneration
■
S4-03: Light Load Direction Search Time
Sets the time to perform Light Load Direction Search.
No.
S4-03
■
S4-04: Light Load Direction Search Speed Reference
Sets the speed reference to use during Light Load Direction Search.
No.
S4-04
YASKAWA ELECTRIC SIEP C710616 38A YASKAWA AC Drive L1000A Technical Manual
Parameter Name
Anti-Rollback Movement Detection
Parameter Name
Position Lock Gain at Start 2 Reduction
Parameter Name
Light Load Direction Search Selection
Parameter Name
Light Load Direction Search Method
Parameter Name
Light Load Direction Search Time
Parameter Name
Light Load Direction Search Speed Reference
5.11 S: Elevator Parameters
Setting Range Default
0 to 100 pulses 1 pulse
Setting Range Default
0.00 to 1.00
Rescue Operation on
Setting Range Default
0 to 2
Setting Range Default
0 or 1
Setting Range Default
0.0 to 5.0 s
Setting Range Default
0.00 to 20.00% Determined by A-02
0.50
0
1
5
1.0 s
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