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12. OPTIONS AND AUXILIARY EQUIPMENT
(2) Connection example
NFB
MC
Servo amplifier
L
11
L
21
L
1
L
2
L
3
EM1
SG
Power regeneration
converter FR-RC
SK
ON
MC
B
C
RDY
SE
Alarm
output
RDY
output
A
B
C
5m(16.4ft) or less
Operation ready
MC
OFF
EM1
RA2
FR-RC
Ready
COM
VDD
R/L1
S/L2
T/L
3
B
C
RX
R
SX
S
TX
T
NPC
P
1
N/ P/
(Note 5)
Power
supply
(Note 3) Power factor improving reactor
FR-BAL
(Note 1)
Phase detection
terminals
(Note 4)
(Note 2)
Note 1. When not using the phase detection terminals, fit the jumpers across RX-R, SX-S and TX-T. If the jumpers remain removed, the
FR-RC will not operate.
2. When using servo amplifiers of 5kW and 7kW, always remove the lead of built-in regenerative resistor connected to P terminal
and C terminal.
3. For the power factor improving reactor (FR-BAL) to be used, refer to POWER REGENERATION CONVERTER FR-RC
INSTRUCTION MANUAL (IB (NA) 67096). When using FR-BAL with the servo amplifier of 11 k to 22 kW, do not use with the
power factor improving reactor (FR-BAL).
4. When using the servo amplifier of 11k to 22kW, make sure to connect P
1
and P. (Factory-wired.)
5. Refer to section 1.3 for the power supply specification.