23

CJ2M-CPU3

@/-CPU1@/-MD21@

Serial Option Board (Only CJ2M-CPU3

@)

A Serial Option Board can be used with a CJ2M-CPU3

@ CJ2M CPU Unit.

CP1W-CIF01 RS-232C Option Board

●RS-232C Connector

Note: Do not use the 5-V power from pin 6 of the RS-232C port for anything but CJ1W-CIF11 RS-422A Conversion Adapter, NT-AL001 RS-232C/

RS-422A Conversion Adapter and NV3W-M_20L Programmable Terminal. The external device or the CPU Unit may be damaged.

CP1W-CIF11/CIF12 RS-422A/485 Option Board

●RS-422A/485 Terminal Block

Model

Port

Maximum transmission distance

Connection method

CP1W-CIF01

One RS-232C port

15 m

Connector: D-sub, 9-pin female

CP1W-CIF11

One RS-422A/485 port (not

isolated)

50 m

Terminal block: Using ferrules

CP1W-CIF12

One RS-422A/485 port (isolated)

500 m

Terminal block: Using ferrules

Pin No.

Signal

Name

Direction

1

FG

Protection earth

−

2

SD (TXD)

Send data

Output

3

RD (RXD)

Receive data

Input

4

RS (RTS)

Request to send

Output

5

CS (CTS)

Clear to send

Input

6

5 V

Power supply

−

7

DR (DSR)

Data set ready

Input

8

ER (DTR)

Data terminal ready

Output

9

SG (0 V)

Signal ground

−

Connector hood

FG

Protection earth

−

COMM

Front

Back

Communications Status Indicator

RS-232 Connector

CPU Unit Connector

5

6

1

9

COMM

Front

Back

Communications Status Indicator

DIP Switch for

Operation Settings

RS-422A/485 Connector

RDA- RDB+ SDA- SDB+ FG

CPU Unit

Connector

RDB+

RDA-

SDA-

SDB+

FG

Tighten the terminal block screws

to a torque of 0.28 N·m.