CJ2M-CPU3

@/-CPU1@/-MD21@

22

Peripheral (USB) Port

EtherNet/IP Port

Built-in Serial Port (Only CJ2M-CPU1

@)

* Baud rates for the RS-232C are specified only up to 19.2 kbps. The CJ Series supports serial communications from 38.4 kbps to 115.2 kbps,

but some computers cannot support these speeds. Lower the baud rate if necessary.

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.

Item

Specification

Baud Rate

12 Mbps max.

Transmission Distance

5 m max.

Interface

USB 2.0-compliant B-type connector

Protocol

Peripheral Bus

Item

Specification

Media Access Method

CSMA/CD

Modulation

Baseband

Transmission Paths

Star

Baud Rate

100 Mbps (100Base-TX)

Transmission Media

Shielded twisted-pair (STP) cable; Categories: 5, 5e

Transmission Distance

100 m (between ethernet switch and node)

Number of Cascade Connections

No restrictions if ethernet switch is used.

Communications

CIP Communications (tag data links, Explicit Messages).

FINS communications

Item

Specification

Communications method

Half duplex

Synchronization

Start-stop

Baud rate

0.3/0.6/1.2/2.4/4.8/9.6/19.2/38.4/57.6/115.2 kbps

*

Transmission distance

15 m max.

Interface

EIA RS-232C

Protocol

Host Link, NT Link, 1:N, No-protocol, or Peripheral Bus

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

−

5

1

9

6