36
YASKAWA ELECTRIC
TOEP C710656 10B YASKAWA Power Regenerative Unit - R1000 Instruction 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 regenerative unit. Connections may vary based on
regenerative unit 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 regenerative unit.
Table 3.1 Connecting Main Circuit Terminals
2A03P5 to 2A0053
4A03P5 to 4A0073
2A0073, 2A0105
4A0105 to 4A0300
–
–
Relay
DC
Fuse
Gate
board
Control
board
Operator
+
+
Current
sensor
R/L1
S/L2
T/L3
r1/ 11
1/ 21
t1/ 31
+
R/L1
S/L2
T/L3
+
Current
sensor
Relay
–
DC
Fuse
24 V
Power
Supply
Gate
board
Control
board
Operator
r1/ 11
1/ 21
t1/ 31
TOEP_C710656_10B_1_0.book 36 ページ ２０１５年１月８日 木曜日 午後８時５５分
