YASKAWA L1000A - Page 265

5.11 S: Elevator Parameters
YASKAWA ELECTRIC SIEP C710616 38F YASKAWA AC Drive - L1000A Technical Manual 265
Parameter Details
5
■ 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)
■ S4-07: UPS Power
Sets the capacity of the UPS.
■
S4-08: UPS Operation Speed Limit Selection
Determines how a speed limit should be applied to the Rescue Operation speed (S4-15) when operating from a UPS. The
drive calculates the appropriate speed limit based on the UPS capacity set in S4-07. This speed limit helps prevent voltage
saturation and motor stall during Rescue Operation.
Setting 0: Disabled
Setting 1: Enabled until Light Load Direction Search is complete
Setting 2: Enabled until stop
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
No. Parameter Name Setting Range Default
S4-07 UPS Power 0.0 to 100.0 kVA 0.0 kVA
No. Parameter Name Setting Range Default
S4-08 UPS Operation Speed Limit Selection 0 to 2 2
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