Specifications

32
MITSUBISHI ELECTRI
C
MELSERVO MR-J2S
SERVO AMPLIFIERS
BASICS
Standard Wiring Diagram for Serial Bus Version (MR-J2S-B)
10k
10k
L3L3
L2L2
L1
L11
L21
C
D
P
U
V
W
TE1
CN2
CN3
19
19
11
20
12
18
2
7
17
6
16
9
1
PLATE
12
11
2
1
20
13
5
10
4
1
14
11
5
16
7
17
8
18
PLATE
3
77
88
11
22
44
55
33
99
66
11
20
12
18
2
7
17
6
16
9
1
PLATE
P5
P5
LG
P5
LG
P5
LG
MR
MRR
MD
MDR
BAT
LG
SD
TxD
RD
GND
SD
GND
LG
RxD
LG
EM1
MBR
COM
VDD
MO1
LG
MO2
LG
LA
LAR
LB
LBR
LZ
LZR
SD
CS1
CS1
CS1
SG
P5 P5
LG LG
MR MR
MRR MRR
MD MD
MDR MDR
BAT BAT
SD SD
CNT CNT
LG
P5
LG
P5
LG
MR
MRR
MD
MDR
BAT
LG
SD
MR-BAT
CON1
TE2
CN1A
MC
M
M
L1 I
>
I
>
I
>
24 V DC
EMG
B2
B1
A
A
24 V DC
EMG
B2
B1
1
2
3
4
5
6
CN1B
CN1A
CN1B
CN1A
CN1B
A
B
C
D
G
H
S
R
C
D
A
B
F
G
N
M
ENCODER
ENCODER
P
N
Power
supply
Make up a sequence which
switches off the MC at alarm
occurence or emergency stop.
Servo motors
HC-KFS, HC-MFS
Controller
MR-J2HBUSM-A cable
is connected to CN1A
A171SH,
A172SH,
A173UH
When connecting an optional regeneration unit or brake
resistor, always disconnect between P and D, since
otherwise the servo amp could be damaged! For
amplifiers in the power range of 500 A or higher,
disconnect the cable connections to the internal brake
resistor. Please refer to the MR-J2S manual!
MR-J2HBUSM-A cable
Encoder A-phase pulse
Encoder B-phase pulse
Encoder Z-phase pulse
2 meters max.
15 meters max.
10 meters max.
Monitor output 1
Monitor output 2
Servo motors
HC-SFS, HC-RFS
Servo amp
MR-J2SB
Servo amp
MR-J2SB
Notes:
Total length of the MR-J2HBUS M-A and MR-J2HBUS M cables = max. 30m. Use of a cable clamp or data line filters (3-4 in a row) near the connector pull to enhance noise resistence is recommended.
Motor-side wiring after the second axis has been omitted.
Up to 8 axes (n = 0-7) can be connected. MR-H-B series servo can be connected to the same bus (however, it requires a different cable).
When using a motor with an electromagnetic brake. There is no need for concern regarding the polarity when connecting the power-supply.
Connect the shield wire securely to the plate inside the connector (grand plate).
Do not reverse the diode’s direction. Connecting it backwards could cause the amp to malfunction so that signals are not output, and emergency stop and other safety circuits are inoperable.
Forced emergency stop for each servo-amplifier of each axis. Please use when deemed necessary. When not used, please short-circuit EM1-SG. Please execute overall system emergency stop on controller’s side.
For further details, please refer to “MR-J2S- B Servo Amplifier Instruction Manual”.
Always use a shielded multicore cable up to a max. of 15 m in a low noise environment. However, if the RS232C communication is set up with a baud rate of more than 38400 bps keep length to 3m.
A 1-phase 230VAC power-supply can be used with servo-amps rated at MR-J2S-70A or less. Please connect the power-supply using only terminals L1 and L2. Do not connect anything to L3.
MR-J2HBUSM cable
is connected between
2 amplifiers
MR-A-TM is connected
as bus-end connector
Optional brake resistor
(connection of a brake
unit to amplifiers with
500 A or more is
shown on the left)