Specifications
57
BCN-B11127-478*
8.2 Terminals
The positions and signal arrangements of the terminal blocks change with the capacity of the servo
amplifier.
Symbol Signal Description
Main circuit power input terminals
Supply L
1
, L
2
and L
3
with the following power.
For a single-phase 230VAC power supply, connect the power supply to L1 and
L2 and keep L3 open:
Servo amplifier
Power supply
MR-J2S-10A-S084
to 70A-S084
MR-J2S-100A-S084
to 350A-s084
3-phase 200 to 230VAC,
50/60Hz
L
1
•L
2
•L
3
Single-phase 230VAC,
50/60Hz
L
1
•L
2
L
1
, L
2
, L
3
Main circuit power supply
Cannot be used for combination with the servo motor HC-SF52•53.
U, V, W Servo motor output
Servo motor power output terminals
Connect to the servo motor power supply terminals (U, V, W).
L
11
, L
21
Control circuit power supply
Control circuit power input terminals
Supply L
11
and L
21
with single-phase 200-230VAC, 50/60Hz power.
P, C, D Regenerative brake option
Regenerative brake option connection terminals
C and D are factory-connected.
When using the regenerative brake option, always remove wiring from across
P-D and connect the regenerative brake option across P-C.
N Do not connect.
Protective earth (PE)
Ground terminal
Connect this terminal to the protective earth (PE) terminals of the servo
motor and control box for grounding.