4 Start-Up Programming & Operation
120
YASKAWA ELECTRIC
TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide
• Voltage Lower Than 190 to 250 Vdc for 200 V Class Drives, 380 to 500 Vdc for 400 V Class Drives, and 500 to 720
Vdc for 600 V Class Drives
Figure 50
Figure 57 Voltage Lower Than 190 to 250 Vdc for 200 V Class Drives, 380 to 500 Vdc for 400 V Class Drives,
and 500 to 720 Vdc for 600 V Class Drives
+
Current
sensor
R/L1
S/L2
T/L3
+1
+3
-
U/T1
V/T2
W/T3
Relay
Power
supply
board
Control
board
OPE
(A)
(B)
DC bus
power supply
H1-
= 55
(Rescue Operation)
L1
L2
L3
DC bus power supply
200 V Class: 190 to 250 Vdc
400 V Class: 380 to 500 Vdc
600 V Class: 500 to 720 Vdc
L1000A
S3 to S12
SC
Magnetic Contactor Sequence
Magnetic Contactor B
Magnetic Contactor A
Magnetic Contactor C
H1-
= 55
(Rescue Operation)
After the DC bus voltage falls lower
than the battery voltage
0.5 s
24 Vdc
Battery for
control circuit
Magnetic Contactor C
24 V
Power
Supply
Unit
CN19
YEA_common
TOEP_C710616_38H_7_0.book 120 ページ 2015年11月11日 水曜日 午後7時40分