CJ2M-CPU3@/-CPU1@/-MD21@
Peripheral (USB) Port
Item
Baud Rate
Specification
12 Mbps max.
Transmission Distance
Interface
5 m max.
USB 2.0-compliant B-type connector
Peripheral Bus
Protocol
EtherNet/IP Port
Item
Media Access Method
Modulation
Specification
CSMA/CD
Baseband
Transmission Paths
Baud Rate
Star
100 Mbps (100Base-TX)
Transmission Media
Transmission Distance
Number of Cascade Connections
Shielded twisted-pair (STP) cable; Categories: 5, 5e
100 m (between ethernet switch and node)
No restrictions if ethernet switch is used.
CIP Communications (tag data links, Explicit Messages).
FINS communications
Communications
Built-in Serial Port (Only CJ2M-CPU1@)
Item
Specification
Communications method
Synchronization
Baud rate
Half duplex
Start-stop
0.3/0.6/1.2/2.4/4.8/9.6/19.2/38.4/57.6/115.2 kbps *
Transmission distance
Interface
15 m max.
EIA RS-232C
Protocol
Host Link, NT Link, 1:N, No-protocol, or Peripheral Bus
* 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.
Pin No.
Signal
Name
Protection earth
Send data
Direction
1
2
3
4
5
6
7
8
9
FG
−
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
5 V
Output
Input
Output
Input
−
Receive data
Request to send
Clear to send
Power supply
Data set ready
6
9
DR (DSR)
ER (DTR)
SG (0 V)
FG
Input
5
Data terminal ready Output
Signal ground
−
−
Connector hood
Protection earth
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.
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OMRON [ OMRON ELECTRONICS LLC ]
