Mitsubishi Electric Melservo-J4 MR-J4-DU*B4-RJ100 Series Instruction Manual page 26

Connection example of encoder slave servo amplifier
This example is the connection for the encoder slave servo amplifier 1.
Step-down
transformer
*15
MCCB
Power
supply
3-phase
380 V AC to
480 V AC *16
3 SIGNALS AND WIRING
24
3.1 Connection example of power circuit
Drive unit Emergency
malfunction *10 stop switch
RA2
Encoder slave servo amplifier 1
Power regeneration
converter unit 2
AC
MR-CV55K4
reactor *14
TE1
MC
*20
L1
L2
L3
CN23
MC1 1
MC2 3
TE3
*13
*2, *17
L11
L21
To CN1B on drive unit 1 of
encoder master servo amplifier
*13
Operation ready
OFF/ON
Drive unit 2
MR-J4-DU_KB4-RJ100
TE2-2 TE2-1
Bus bar
L+
L+
L- L-
CN3
*4 *4
Protection
coordination
cable
CN4 CN40A
CN1B
SSCNET III
cable
CN1A
CN2L
CN4
*6
BAT 1
LG 2
CN2
TE3
*2, *17
L11
L21
MC
SK
CN8 *12
*9
10 DICOM
15 ALM
RA2
24 V DC
5 DICOM
3 DOCOM
20 EM2
Main circuit
power supply
SD
Plate
SSCNET III cable
MR-J4CN2CBL_M-H
MR-J4CN2CBL_M-H
Servo motor
Dynamic
*7 brake
(optional)
TE1
U U2
V V2
W W2
*4 *4
*10
*11
*1
To CN1A on
drive unit 3 of
encoder slave
servo amplifier 2 *5
To CN2 on
drive unit 3 of
encoder slave
servo amplifier 2
*5, *8
To CN2L on
drive unit 1 of
encoder master
servo amplifier
*8
U3 To drive unit 3
of encoder
V3 slave
servo
M
amplifier 2 *5
W3
*4
U4 To drive unit 4
of encoder
V4 slave
servo
W4 amplifier 3 *5
*4