Part 3: Review on Replacement of MR-J3-_B_ with MR-J4-_B_
3 - 9
3.4 List of Corresponding Connectors and Terminal Blocks
An example of connections with the peripheral equipment is shown below. Refer to the respective Instruction
Manuals for details on the signals.
(1) Comparison of connectors (7
kW or less)
MR-J3-_B_ MR-J4-_B_
Power supply
R S T
No-fuse breaker
(NFB) or fuse
(MC)
Magnetic
(Note 2)
contactor
Line noise
L
2
filter
L
3
(FR-BSF01)
Power factor
reactor
P
1
improving DC
P
2
C
(FR-BEL-H)
L
11
L
21
U V W
P
Regenerative option
Personal
computer
Junction
L
1
Servo motor
Servo amplifier
block
terminal
Servo system
controller or Front axis
servo amplifier CN1B
CN1A or Cap
Rea r servo am plifier
Power supply lead
Setup software
(SETUP221E)
P+
C
L11
L21
P3
P4
MR Configurator2
CN8
W
V
U
L1
L2
L3
R S T
Line noise
filter
(FR-BSF01)
Regenerative
option
Servo motor
Personal
computer
Magnetic
contactor
(MC)
(Note 2)
Power factor
improving DC
reactor
(FR-HEL)
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 1. The above configuration example is applied to the MR-J3-
200B or less capacities.
Note 1. The above configuration example is applied to the MR-
J4-200B or less capacities.
2.The power factor improving AC reactor can also be used.
In this case, the power factor improving DC reactor cannot
be used.
2.The power factor improving AC reactor can also be used.
In this case, the power factor improving DC reactor
cannot be used.
(2) List of connector and terminal block correspondence (7
kW or less)
MR-J3-_B_
→
MR-J4-_B_
Precautions
No.
Connector name
Connector No.
No.
Connector name
Connector No.
①
SSCNET III cable connector
CN1A
①
SSCNET III cable connector
CN1A
②
SSCNET III cable connector
CN1B
②
SSCNET III cable connector
CN1B
③
Encoder connector
CN2
③
Encoder connector
CN2
④
USB communication
connector
CN5
④
USB communication
connector
CN5
⑤
I/O signal connector
CN3
⑤
I/O signal connector
CN3
⑥
Main circuit power
connector
CNP1
⑥
Main circuit power
connector
CNP1
Must switch to the power
connector (enclosed with
the amplifier).
⑦
Control circuit power
connector
CNP2
⑦
Control circuit power
connector
CNP2
⑧
Servo motor power
connector
CNP3
⑧
Servo motor power output
connector
CNP3
⑨
Battery connector
CN4
⑨
Battery connector
CN4
Prepare a new battery.
Note. When not using the STO function in MR-J4-_B_, attach a short-circuit connector supplied with a servo amplifier onto CN8 (STO
input signal connector).
The configuration of the main circuit terminal block differs depending on capacity. Refer to "Part 6: Common Reference
Material".
Summary of Contents for Melservo MR-J3-100B
Page 17: ...8 MEMO ...
Page 18: ...Part 1 Summary of MR J3 MR J3W Replacement 1 1 Part 1 Summary of MR J3 MR J3W Replacement ...
Page 145: ...Part 3 Review on Replacement of MR J3 _B_ with MR J4 _B_ 3 48 MEMO ...
Page 195: ...Part 4 Replacement of MR J3W _B with MR J4W2 _B 4 50 MEMO ...
Page 277: ...Part 5 Review on Replacement of MR J3 DU_ with MR J4 DU_ 5 82 MEMO ...
Page 278: ...Part 6 Common Reference Material 6 1 Part 6 Common Reference Material ...
Page 418: ...Part 7 Review on Replacement of Motor 7 1 Part 7 Review on Replacement of Motor ...
Page 564: ...Part 9 Startup Procedure Manual 9 1 Part 9 Startup Procedure Manual ...
Page 567: ...Part 9 Startup Procedure Manual 9 4 MEMO ...
Page 589: ...L NA 03127ENG C ...