Cp1W-Cif01 Rs-232C Option Board Specifications; Communications Specifications - Omron CJ2 CPU UNIT User Manual

Appendices

CP1W-CIF01 RS-232C Option Board Specifications

Front
1. Communications status indicators
COMM
2. RS-232C connector
• Connector Pin Arrangement
5 1
9 6
Precautions for Safe Use
Do not use the 5-V power from pin 6 of the RS-232C port on the CPU Unit for anything but the
NT-AL001 Link Adapter, CJ1W-CIF11 RS-422A Converter, or NV3W-M@20L Programmable Ter-
minal. The external device or the CPU Unit may be damaged.

Communications Specifications

Item
Communications method
Synchronization
Baud rate
Transmission distance
Interface
Protocol
*1 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 nec-
essary.
A-112
Back
3. CPU Unit connector
Pin No. Signal
1 FG
2 SD (TXD)
3 RD (RXD)
4 RS (RTS)
5 CS (CTS)
6 5 V
7 DR (DSR)
8 ER (DTR)
9 SG (0 V)
Connector hood FG
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
15 m max.
EIA RS-232C
Host Link, NT Link, 1:N, No-protocol, or Peripheral Bus
Name Direction
Protection earth ---
Send data Output
Receive data Input
Request to send Output
Clear to send Input
Power supply ---
Data set ready Input
Data terminal ready Output
Signal ground ---
Protection earth ---
Specification
*1
CJ2 CPU Unit Hardware User's Manual