YASKAWA L1000A Technical Manual page 125

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Using a Single-Phase, 230 Vac UPS (Uninterruptable Power Supply)
Follow the instructions when using a single-phase 230 V UPS for Rescue Operation. A 230 V UPS can be used for both
200 V and 400 V class drives.
Wiring
Refer to Figure 4.18 for a wiring diagram.
Figure 4.14
N
L1
L2
L3
Operation Sequence
Starting Rescue Operation
1. Open contactor B.
2. Set the input terminal programmed for Rescue Operation (H1-
3. Close contactor A.
4. Set the Up/Down command.
Ending Rescue Operation
1. After the car has stopped open contactor A.
2. Clear the input terminal set for Rescue Operation (H1-
3. Close contactor B to return to operation with normal power supply.
Application Precautions
The drive may fault on a control power supply fault (Uv2) if the UPS can't provide enough voltage, or if the Light Load
Direction Search is not set properly. If this problem occurs, take the following corrective actions:
Corrective Action:
• Use a separate battery for the controller power supply.
YASKAWA ELECTRIC SIEP C710616 38A YASKAWA AC Drive L1000A Technical Manual
Elevat or
cont rol
Magnetic
syst em
Contactor A
UPS
sine wave
230 Vac
single-phase
Magnetic
Contactor B
H1- = 55
(Rescue Operation)
Magnetic Contactor Sequence
Magnetic Contactor B
Magnetic Contactor A
H1- = 55
(Rescue Operation)
Figure 4.18 Using a Single-Phase 230 V UPS
4.6 Setup Procedure for Elevator Applications
L1000A
B2
+1
+2
R/L1
S/L2
T/L3
-
Control
Power supply
CN19 circuit
1
4
S to S
3 8
SC
= 55).
= 55).
U/T1
V/T2
W/T3
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