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8. Communication Functions
The MR-J2S-A-S061 has the RS-422 and RS-232C serial communication functions. These functions can
be used to perform servo operation, parameter changing, monitor function, etc.
However, the RS-422 and RS-232C communication functions cannot be used together. Select between RS-
422 and RS-232C with parameter No.16.
8.1 Configuration
8.1.1 RS-422 configuration
(1) Outline
Up to 32 axes of servo amplifiers from stations 0 to 31 can be operated on the same bus.
Controller such as
personal computer
(2) Cable connection diagram
Wire as shown below:
RS-422
output unit
RDP
RDN
SDP
SDN
GND
GND
Note: 1. 3M's CN3 connector
Connector: 10120-3000VE
Shell kit: 10320-52F0-008
2. In the last axis, connect TRE and RDN.
3. 30m(1181.10inch) max. in environment of little noise.
Servo amplifier
MITSUBISHI
CHARGE
To
CN3
RS-232C/
Axis 1 (Station 0)
RS-422
converter
Unavailable as option.
To be prepared by customer.
(Note 3) 30m(1181.10inch) max.
(Note 1)
Axis 1 servo amplifier
CN3 connector
Plate
SD
9
SDP
19
SDN
5
RDP
15
RDN
10
TRE
11
LG
1
LG
Servo amplifier
MITSUBISHI
CHARGE
To
CN3
Axis 2 (Station 1)
RS-422
(Note 1)
Axis 2 servo amplifier
CN3 connector
Plate
SD
9
SDP
19
SDN
5
RDP
15
RDN
10
TRE
11
LG
1
LG
47
Servo amplifier
MITSUBISHI
CHARGE
To
CN3
Axis 32 (Station 31)
(Note 1)
Axis 32 (last axis)
servo amplifier
CN3 connector
Plate
SD
9
SDP
19
SDN
5
RDP
15
RDN
10
TRE
(Note 2)
11
LG
1
LG
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