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1. FUNCTIONS AND CONFIGURATION
1 - 52
(3) 100 V class
The diagram is for MR-J4-20B1-RJ.
CN4
CN5
P+
C
L11
L21
MR Configurator2
CN3
CN8
CN1A
CN1B
CN2
CN2L (Note 4)
W
V
U
L1
L2
RT
Line noise
filter
(FR-BSF01)
Regenerative
option
Servo motor
Personal
computer
Magnetic
contactor
(MC)
(Note 3)
(Note 1)
Junction terminal
block
To safety relay or MR-J3-D05
safety logic unit
Servo system controller or
previous servo amplifier
CN1B
Next servo amplifier CN1A or
cap
Battery
Molded-case
circuit breaker
(MCCB)
Power supply
(Note 2)
Power factor
improving AC
reactor
(FR-HAL)
(Note1)
D (Note 5)
Note 1. The power factor improving DC reactor cannot be used.
2. 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. This is for MR-J4-_B1-RJ servo amplifier. MR-J4-_B1 servo amplifier does not have CN2L connector. Refer to Table 1.1 and
Linear Encoder Instruction Manual for the compatible external encoders.
5.
A
lways connect between P+ and D terminals. When using the regenerative option, refer to section 11.2.