Rs-422 wiring – Yaskawa MP920 Communications Module User Manual

Page 128

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6 217IF Module

6.4.2 RS-422/485 Interface Cables

6-12

RS-422 Wiring

CN2

CN1

RUN

ERR

TRX1

TRX2

TRX3

CN3

217IF

RS232/422

(PLC, etc.)

Terminal

MP920

7

TX (+)

6

TX (-)

5

TXR

2

RX (+)

1

RX (-)

4

RXR

3

SH

8

SH

FG

217IF CN3

(MR-8)

Remote station

2

RX (+)

1

RX (-)

4

RXR

7

TX (+)

6

TX (-)

5

TXR

3

SH

8

SH

FG

217IF CN3

(MR-8)

When the remote station is
also a 217IF Module, the
wiring will be as shown below.