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CJ2M-CPU35_1007 Datasheet, PDF (22/30 Pages) Omron Electronics LLC – SYSMAC CJ-series CJ2M CPU Units, Pulse I/O Modules
CJ2M-CPU3@/-CPU1@/-MD21@
Peripheral (USB) Port
Item
Baud Rate
Transmission Distance
Interface
Protocol
12 Mbps max.
5 m max.
USB 2.0-compliant B-type connector
Peripheral Bus
Specification
EtherNet/IP Port
Item
Media Access Method
Modulation
Transmission Paths
Baud Rate
Transmission Media
Transmission Distance
Number of Cascade Connections
Communications
Specification
CSMA/CD
Baseband
Star
100 Mbps (100Base-TX)
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
Built-in Serial Port (Only CJ2M-CPU1@)
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
* 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
Direction
1
FG
Protection earth
−
2
SD (TXD)
Send data
Output
1
6
3
RD (RXD)
Receive data
Input
4
RS (RTS)
Request to send
Output
5
CS (CTS)
Clear to send
Input
9
5
6
5V
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
−
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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