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Communication functions, 1 configuration, 1 rs-422 configuration – MITSUBISHI ELECTRIC MELSERVO MR-J2S- A User Manual

Page 280: 2) cable connection diagram wire as shown below

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14 - 1

14. COMMUNICATION FUNCTIONS

14. COMMUNICATION FUNCTIONS

This servo amplifier 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. (Refer to Section 14.2.2.)

14.1 Configuration

14.1.1 RS-422 configuration

(1) Outline

Up to 32 axes of servo amplifiers from stations 0 to 31 can be operated on the same bus.

CHARGE

MITSUBISHI

CHARGE

MITSUBISHI

CHARGE

MITSUBISHI

RS-422

Controller such as

personal computer

RS-232C/
RS-422
converter

To CN3

Axis 1 (Station 0)

Axis 2 (Station 1)

Axis 32 (Station 31)

Unavailable as option.

To be prepared by customer.

To CN3

To CN3

Servo amplifier

Servo amplifier

Servo amplifier

(2) Cable connection diagram

Wire as shown below:

RS-422

output unit

RDP

RDN

SDP

SDN

GND

GND

(Note 3) 30m (98.4ft) or less

(Note 1)

Axis 1 servo amplifier

CN3 connector

5

15

9

19

11

1

10

Plate

RDP

RDN

SDP

SDN

LG

LG

TRE

SD

(Note 1)

Axis 2 servo amplifier

CN3 connector

5

15

9

19

11

1

10

RDP

RDN

SDP

SDN

LG

LG

TRE

SD

Plate

(Note 1)

Axis 32 (last axis)

servo amplifier

CN3 connector

5

15

9

19

11

1

10

RDP

RDN

SDP

SDN

LG

LG

TRE

SD

Plate

(Note 2)

Note 1. Connector set MR-J2CN1 (3M)

Connector: 10120-3000VE

Shell kit: 10320-52F0-008

2. In the last axis, connect TRE and RDN.

3. 30m (98.4ft) or less in environment of little noise.