Yaskawa L1000E AC Drive Technical Manual for CIMR-LE Models for Elevator Applications - Manual (Page 255)

5.11 S: Elevator Parameters
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◆ S4: Rescue Operation
Rescue Operation switches to a backup battery or some other UPS during a power outage. Refer to Rescue Operation on
page 131 for details.
■ S4-01: Light Load Direction Search Selection
Enables and disables the Light Load Direction Search.
Setting 0: Disabled
Setting 1: Enabled
Setting 2: Enabled for motor 1 only
■ S4-02: Light Load Direction Search Method
Determines the method used to perform Light Load Direction Search.
Setting 0: Output current
Setting 1: Detect direction of regeneration
■ S4-03: Light Load Direction Search Time
Sets the time to perform Light Load Direction Search.
■ S4-04: Light Load Direction Search Speed Reference
Sets the speed reference to use during Light Load Direction Search.
■ S4-05: Rescue Operation Torque Limit
Sets the torque limit used during Rescue Operation.
■ S4-06: Rescue Operation Power Supply Selection
Specifies the type of backup power supply the drive should switch to when the power goes out.
Setting 0: Battery
Setting 1: UPS (single-phase)
Setting 2: UPS (three-phase)
No. Parameter Name Setting Range Default
S4-01 Light Load Direction Search Selection 0 to 2 0
No. Parameter Name Setting Range Default
S4-02 Light Load Direction Search Method 0 or 1 1
No. Parameter Name Setting Range Default
S4-03 Light Load Direction Search Time 0.0 to 5.0 s 1.0 s
No. Parameter Name Setting Range Default
S4-04 Light Load Direction Search Speed Reference 0.00 to 20.00% Determined by A-02
No. Parameter Name Setting Range Default
S4-05 Rescue Operation Torque Limit 0 to 300% 100%
No. Parameter Name Setting Range Default
S4-06 Rescue Operation Power Supply Selection 0 to 2 0