Mitsubishi Electric MR-J4 B Series Instruction Manual page 289

General-purpose ac servo
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14. USING A LINEAR SERVO MOTOR
14.1.2 Servo system with auxiliary equipment
CAUTION
R S T
(Note 2)
( 2)
Power supply
Molded case
(MCCB)
circuit breaker
(MCCB) or fuse
(Note 3)
( 3)
Magnetic
contactor
(MC)
(MC)
( 1)
(Note 1)
Line noise
filter
(FR-BSF01)
L1
L2
L3
Power factor
improving
DC
DC reactor
(FR-HEL)
(FR-HEL)
P+
Regenerative
option
C
Note 1.
The power factor improving AC reactor can also be used. In this case, the power factor improving DC reactor cannot be used.
When not using the power factor improving DC reactor, short P3 and P4.
2.
A 1-phase 200 V AC to 240 V AC power supply may be used with the servo amplifier of MR-J4-70B or less. For 1-phase 200 V
AC to 240 V AC, connect the power supply to L1 and L3. Leave L2 open. For power supply specifications, refer to section 1.3.
3.
Depending on the main circuit voltage and operation pattern, bus voltage decreases, and that may cause the forced stop
deceleration to shift to the dynamic brake deceleration. When dynamic brake deceleration is not required, slow the time to turn
off the magnetic contactor.
4.
For the branch cable, use the MR-J4THCBL03M (optional).
5.
Always connect between P+ and D terminals. When using the regenerative option, refer to section 11.2.
Connecting an inappropriate linear servo motor to the CNP3 and CN2 will cause
an unexpected operation or an alarm.
POINT
Equipment other than the servo amplifier and linear servo motor are optional or
recommended products.
When using the linear servo motor, set [Pr. PA01] to "_ _ 4 _".
D (Note)
D( 5)
P3
P4
L11
L21
CN5
CN3
CN8
CN1A
U
V
CN1B
W
CN2
14 - 2
Personal
computer
MR Configurator2
Safety relay or
MR-J3-D05
MR-J3-D05 safety logic unit
Servo system
controller or Front axis
servo amplifier CN1B
Rear servo amplifier
CN1A or Cap
SCALE
THM
( 4)
(Note 2)
Linear servo motor
Linear
encoder
Junction terminal
block
CN1B
CN1A
Encoder
cable

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