Specifications

56
BCN-B11127-478*
8. Power Supply System Circuit
8.1 Connection example
Wire the power supply and main circuits as shown below. A no-fuse breaker (NFB) must be used with the
input cables of the power supply.
Design the circuit so that the servo on signal also turns off as soon as the power is shut off on detection of
alarm occurrence.
MC
SK
MC
ON
OFF
Emergency
stop
RA
EMG
SON
SG
VDD
COM
(Note 1) Three-phase
200 to 230VAC
or
Single-Phase
230VAC
RA
Servo amplifier
L21
L11
L3
L2
L1
Trouble
MC
NFB
Note : For a single-phase 230VAC power supply, connect the power supply to L1
and L2 and keep L3 open.
ALM
External
emergency stop
Servo on