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12. OPTIONS AND AUXILIARY EQUIPMENT
RA1
ALM
Servo motor
thermal relay
RA2
(Note 7)
MC
ON
Emergency
stop
(Note 12)
SK
Terminal
block
(Note 11)
P1
P2
P
N
C
(Note 3)
(Note 2)
(Note 8)
MCNFB
N/
P/
BUE
SD
PR
B
C
A
SD
MSG
(Note 4)
(Note 6)
FR-BU2-(H)
FR-BR
P
PR
TH2
TH1
(Note 5)
L
1
L
2
L
3
L
11
L
21
(Note 9)
21
48
20
46
42
15
24VDC
RA1
(Note 10)
OFF
(Note 12)
(Note 1)
Power
supply
Servo amplifier
DICOM
ALM
DICOM
DOCOM
EMG
SON
Plate SD
MC
CN1
N/
P/
BUE
SD
PR
B
C
A
SD
MSG
(Note 4)
(Note 6)
FR-BU2-(H)
FR-BR
P
PR
TH2
TH1
(Note 5)
(Note 9)
(Note 10)
Note 1. For power supply specifications, refer to section 1.3.
2. For the servo amplifier of 5k and 7kW, always disconnect the lead of built-in regenerative resistor, which is connected to the P
and C terminals. For the servo amplifier of 11k and 15kW, do not connect a supplied regenerative resistor to the P and C
terminals.
3. Always connect P
1 and P2 terminals (P1 and P for the servo amplifier of 11k and 15kW) (Factory-wired). When using the power
factor improving DC reactor, refer to section 12.13. Use only one of power factor improving DC reactor or power factor
improving AC reactor.
4. Connect the P/
and N/ terminals of the brake unit to a correct destination. Incorrect connection results in servo amplifier
and brake unit malfunction.
5. Contact rating: 1b contact, 110VAC_5A/220VAC_3A
Normal condition: TH1-TH2 is conducting. Abnormal condition: TH1-TH2 is not conducting.
6. Contact rating: 230VAC_0.3A/30VDC_0.3A
Normal condition: B-C is conducting/A-C is not conducting. Abnormal condition: B-C is not conducting/A-C is conducting.
7. For the servo amplifier of 11kW or more, connect the thermal relay censor of the servo amplifier.
8. Do not connect more than one cable to each P (
) and N ( ) terminals of the servo amplifier.
9. Always connect BUE and SD terminals (Factory-wired).
10. Connect the MSG and SD terminals of the brake unit to a correct destination. Incorrect connection results in servo amplifier
and brake unit malfunction.
11. For the cable to connect the terminal block and the P and N terminals of the servo amplifier, use the cable indicated in (4) (b)
in this section.
12. Configure the circuit to shut down the main circuit power supply simultaneously with the turn off of emergency stop (EMG)
using the external sequence.