Main Circuit Connection Diagram; Main Circuit Connection Diagram; 6-Phase/12-Pulse Input 400 V Class (Cimr-A 4T0058, 0072); 6-Phase/12-Pulse Input 400 V Class (Cimr-A 4T0088 To 0139) - YASKAWA A1000 Installation Manual

3.2

Main Circuit Connection Diagram

Refer to diagrams in this section when wiring the main circuit of the drive. Connections vary based on drive capacity.
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 drive.

6-Phase/12-Pulse Input 400 V Class (CIMR-A 4T0058, 0072)

Figure 3.2
Figure 3.2 A1000 6-Phase/12-Pulse Drive Internal Main Circuit Diagram (CIMR-A 4T0058, 0072)

6-Phase/12-Pulse Input 400 V Class (CIMR-A 4T0088 to 0139)

Figure 3.3
Figure 3.3 A1000 6-Phase/12-Pulse Drive Internal Main Circuit Diagram (CIMR-A 4T0088 to 0139)
YASKAWA ELECTRIC TOEP C710616 50B YASKAWA AC Drive - A1000 6-Phase/12-Pulse Input Installation Guide
Relay
R/L1
S/L2
T/L3
R1/L11
S1/L21
T1/L31
–
Gate
Board
Relay
R/L1
S/L2
T/L3
R1/L11
S1/L21
T1/L31
–

3.2 Main Circuit Connection Diagram

B1 B2
Current
Sensor
Control
Operator
Board
+3
Current
Sensor
Gate
Board
Control
Operator
Board
U/T1
V/T2
W/T3
U/T1
V/T2
W/T3
31