Main Circuit Connection Diagram - YASKAWA CIMR-DC4A0040AAA Technical Manual

3.3 Main Circuit Connection Diagram

3.3 Main Circuit Connection Diagram
Refer to diagrams in this section when wiring the main circuit of the converter. Connections may vary based on converter
capacity. The DC power supply for the main circuit also provides power to the control circuit.
NOTICE: Do not use the negative DC bus terminal " " as a ground terminal. This terminal is at high DC voltage potential. Improper
wiring connections could damage the converter.
2A0005 to 2A0020
4A0005 to 4A0020
Relay
R/L1
S/L2
T/L3
Current
sensor
r1/ 11
1/ 21
t1/ 31
Control
Operator
board
2A0065, 2A0090, 2A0130
4A0100, 4A0130, 4A0185
R/L1
S/L2
T/L3
Current Relay
sensor
r1/ 11
1/ 21
t1/ 31
Control
Operator
board
50
–
Table 3.1 Connecting Main Circuit Terminals
+
+
DC
Fuse
Gate
board
+
+
DC
Fuse
–
24 V
Power
Gate
Supply
board
4A0630
AC
Fuse Relay
R/L1
S/L2
T/L3
R1/L11
S1/L21
T1/L31
Current sensor
r1/ 11
Power supply
1/ 21
detection board
t1/ 31
Control
Operator
board
YASKAWA ELECTRIC SIEP C710656 06F YASKAWA Power Regenerative Converter - D1000 Technical Manual
2A0030, 2A0050
4A0030, 4A0040
R/L1
S/L2
T/L3
Current
Relay
sensor
r1/ 11
1/ 21
t1/ 31
Control
Operator
board
4A0270, 4A0370
AC
Fuse
R/L1
S/L2
T/L3
Current
Relay
sensor
r1/ 11
1/ 21
t1/ 31
Control
Operator
board
+
+
DC
Fuse
–
24 V
Power
Gate
Supply
board
+
+
DC
Fuse
–
Gate
board
+
+
DC
Fuse
–
24 V
Power
Gate
Supply
board