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11. OPTIONS AND AUXILIARY EQUIPMENT
Controller
forced stop
RA3
NFB
24VDC
ALM
RA1
MC
SK
MC
ON
OFF
EM1
Servo motor
thermal relay
RA2
(Note 7)
(Note 1)
Power
supply
N/
P/
BUE
SD
PR
B
C
A
SD
MSG
(Note 4)
(Note 6)
3
10
EM1
DOCOM
DICOM
ALM
P
1
P2
P
N
C
FR-BU2-(H)
FR-BR
Servo amplifier
P
PR
TH2
TH1
(Note 5)
MC
Terminal
block
(Note 3)
(Note 11)
(Note 2)
(Note 8)
20
15
CN3
L
1
L
2
L3
L
11
L21
(Note 10)
(Note 9)
N/
P/
BUE
SD
PR
B
C
A
SD
MSG
FR-BU2-(H)
TH2
TH1
(Note 5)
FR-BR
P
PR
RA1
(Note 4)
(Note 6)
(Note 10)
(Note 9)
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 11.13.
4. Connect the P/
and N/ terminals of the brake unit to a correct destination. Wrong 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. Wrong 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) of
this section.