Specifications

Standard Wiring Diagram
53
Servo amplifier
MR-J2S-MB/B1
CN3
12
11
2
1
20
3
13
5
10
4
1
14
11
6
16
7
17
8
18
TxD
LG
RxD
LG
EM1
SG
MBR
COM
VDD
MO1
LG
MO2
LG
LA
LAR
LB
LBR
LZ
LZR
SD
A
A
Maximum +1mA total
Double oscillation (±10V output)
(Note 1)
10 meters (32.81 ft) max.
10 meters (32.81 ft) max.
Always connect across
VDD-COM. Do not use
an external power supply.
Encoder A-phase pulse
(differential line driver)
Encoder B-phase pulse
(differential line driver)
Encoder Z-phase pulse
(differential line driver)
Encoder A-phase pulse
(differential line driver)
Encoder B-phase pulse
(differential line driver)
Encoder Z-phase pulse
(differential line driver)
RA1
EMG
Forced emergency stop
(Note 4)
Electromagnetic brake
interlock
(Note 2)
(Note 3)
RD
SD
GND
GND
RS-232C
Servo amplifier
MR-J2S-MB/B4
CN3
RD
SD
GND
GND
RS-232C
(Note 1)
12
11
2
1
6
16
7
17
8
18
TxD
LG
RxD
LG
LA
LAR
LB
LBR
LZ
LZR
SD
CN4
Monitor output
MO11
MO22
LG4
A
A
CON2
RA1
RA2
(Note 5)
Magnetic brake interlock
External dynamic brake
Always connect.
2
1
3
4
18
15
EM1
SG
MBR
DB
COM
VDD
(14) MR-J2S-700B or smaller (15) MR-J2S-11KB(4) or larger
Personal computer
running
Microsoft Windows
Personal computer
running
Microsoft Windows
15 meters (49.21 ft) max. 15 meters (49.21 ft) max.
(Note 5)
Monitor output 1
Monitor output 2
10kΩ
10kΩ
2 meters (6.56 ft) max.
2 meters (6.56 ft) max.
PLATE
PLATE
10 meters (32.81 ft) max.
(Note 3)
Maximum +1mA total
Double oscillation (±10V output)
Monitor output 1
Monitor output 2
10kΩ
10kΩ
Forced stop
(Note 4)
Notes:
1. Always use a shielded multicore cable up to a maximum of 15 meters (49.21 ft) in a low noise environment. However, if the RS-232C communication is set up with a baud rate of more
than 38400bps, keep length to 3m (9.84 ft).
2. Use the maintenance relay card (MR-J2CN3TM) when connecting the analog monitor output 1 (MO1), analog monitor output 2 (MO2) and a personal computer.
3. Connect the shield wire securely to the plate inside the connector (ground plate).
4. Independent forced emergency stop for each servo-amplifier of each axis. Use this as necessary when AD75M, A1SD75M, QD75M, Q172 or Q173 is connected. Do not use this when
A171SH, A172SH, A173UH or A273UH is connected. When not used, please short-circuit EM1-SG in the connecter. PIease execute overall system emergency stop on controller’s side.
According to parameter No.23, forced emergency stop input can be cancelled.
5. Do not reverse the diode’s direction. Connecting it backwards could cause the amp to malfunction so that signals are not output.
Connector CN3/CN4/CON2 connection examples