Serial Communications Settings; Parameters - Omron CJ Series Connection Manual

6. Serial Communications Settings

This section describes the contents of parameter settings and wiring that are all defined in this
document.

6.1. Parameters

The parameters required for connecting PLC and Sensor Controller using the serial
communications are shown below.
Item
Unit number
Communications port
(Communications type)
Serial communications mode
Data length (bit)
Stop bits (length)
Parity
Baud rate
Protocol macro transmission method
(Full-duplex / Half-duplex)
CS/RS control
Terminator
Precautions for Correct Use
This document describes the setting procedures of CJ1W-SCU42 Serial Communications
Unit with the unit number 0 and communications (connection) port 2.
To connect devices under different conditions, change the CIO area and the control words of
PMCR instruction used in the program. Refer to Section 9. Program for details.
6．Serial Communications Settings
PLC
(Serial Communications Unit)
0
Port 2 (RS-232C)
Protocol macro
8 bits
1 bit
None
38400 bps
Full-duplex
-
-
Sensor Controller
-
RS-232C (Default)
-
8bit (Default)
1bit (Default)
OFF (None: Default)
38400 (bps) (Default)
Full-duplex
communications (Fixed)
OFF (Default)
CR（Default）
8