YASKAWA L1000A Quick Start Manual page 123

Using a Single Battery with Minimum 250 Vdc (500 Vdc, 720 Vdc)
Follow the instructions when using one battery to supply both, main circuit and controller. The battery voltage must be at
least 250 Vdc for 200 V class drives, 500 Vdc for 400 V class drives, or 720 Vdc for 600 V class drives.
Wiring
Following the wiring diagram show in
Figure 51
YEA_common
Battery for DC bus
200 V Class: 250 to 340 Vdc
400 V Class: 500 to 680 Vdc
600 V Class: 720 to 850 Vdc
Figure 58 Using a Backup Battery With Minimum 250 Vdc (500 Vdc, 720 Vdc)
Operation Sequence
Starting Rescue Operation
1.
Open contactor B.
2.
Set the input terminal programmed for Rescue Operation (H1- = 55).
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- = 55).
3.
Close contactor B to return to operation with normal power supply.
YASKAWA ELECTRIC TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide
Figure 58.
Magnetic Contactor A
DC bus power supply
L1
L2
L3
Magnetic Contactor B
H1- = 55
(Rescue Operation)
Magnetic Contactor Sequence
Magnetic Contactor B
Magnetic Contactor A
H1- = 55
(Rescue Operation)
4 Start-Up Programming & Operation
L1000A
B2
B1
R/L1
S/L2
T/L3
-
Control
Power supply
CN19 circuit
1
4
S3 to S8
SC
U/T1
V/T2
W/T3
4
121