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3. SIGNALS AND WIRING
(2) For 1-phase 230VAC power supply
Power supply
1-phase 230VAC
Emergency stop
Servo-on
Servo amplifier
Trouble
Emergency
stop
External
power
supply
24VDC
RA
OFF
ON
MC
MC
SK
NFB MC
L
1
L
2
L
3
EMG
SON
SG
VIN
ALM
SG
RA
(Note)
CNP1
P
D
C
Note: To use the built-in regenerative resistor, be sure to connect across P and D of the power supply connector (CNP1).
3.7.2 Terminals
Refer to Section 11.1 (4) for the signal arrangement.
Connected terminal
(Application)
Symbol Description
Supply L
1
, L
2
and L
3
with the following power:
For 1-phase 230VAC, connect the power supply to L
1
/L
2
and leave L
3
open.
L
1
Servo amplifier
Power supply
MR-E-10A to
70A
MR-E-100A/
200A
L
2
3-phase 200 to 230VAC,
50/60Hz
L
1
L
2
L
3
1-phase 230VAC,
50/60Hz
L
1
L
2
Power supply
L
3
U
V
Servo motor output
W
Connect to the servo motor power supply terminals (U, V, W).
P
C
Regenerative brake
option
D
To use the built-in regenerative brake resistor of the servo amplifier, connect the
wiring across P-D of the power supply connector (CNP1).
When using the regenerative brake option, always remove the wiring from across
P-D and connect the regenerative brake option across P-C.
Refer to Section 13.1.1 for details.
Protective earth (PE)
Connect this terminal to the protective earth (PE) terminals of the servo motor
and control box for grounding.