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1. FUNCTIONS AND CONFIGURATION 

1 -  9 

 
1.7 Configuration including auxiliary equipment 

POINT 

 

Equipment other than the servo amplifier and direct drive motor are optional or 

recommended products. 

 

 
(1)  MR-J3-100B-RJ080W or less 

R S T

Servo amplifier

MR Configurator

Personal 

computer

Line noise 

filter

(FR-BSF01)

Magnetic

contactor

(MC)

Regenerative option

Power factor 

improving DC 

reactor

(FR-BEL)

Servo system 

controller or Front axis 

servo amplifier CN1B

Rear servo amplifier 

CN1A or Cap

Junction 

terminal 

block

(Note 3) 

Power supply

(Note 2)

(Note 2)

CN5

P

C

L

11

L

21

P

1

P

2

(Note 1)

Battery

MR-J3BAT

L

1

L

2

L

3

CN3

CN1A

CN1B

CN2

CN4

(Note 1)

Absolute 

position 

storage unit

MR-BTAS01

Direct drive motor

W

U V

Molded-case 

circuit breaker 

(MCCB) or fuse

 

Note 1. The battery (option) and absolute position storage unit (option) are used for the absolute position detection system. (Refer to chapter 

9.) 

          2. 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 P

1

 and P

2

. 

          3. A 1-phase 200V to 230VAC power supply may be used with the servo amplifier of MR-J3-70B-RJ080W or less. 

For 1-phase 200V to 230VAC, connect the power supply to L

1

L

2

 and leave L

3

 open. Refer to section 1.2 for the power supply 

specification.