6. Serial Communications Settings
9
6. Serial
Communications
Settings
This section describes the specifications such as communication parameters and wiring that
are defined in this document.
Additional Information
To perform communications without using the settings described in this section, you need to
modify the program. For information on the program, refer to
Section 9. Program
.
6.1. Serial Communications Settings
The serial communications settings are shown below.
Setting item
Serial Communications Unit
Code Reader
Device name
J01
-
Unit number
0
-
Communications
(connection) port
Port 2 (RS-232C)
-
Serial communications mode
Protocol macro
-
Data length
8 bits
8 bits (Default)
Stop bit
1 bit
1 bit (Default)
Parity None None
(Default)
Transmission rate (Baud rate) 9,600 bps (Default)
9,600 bps (Default)
Protocol macro transmissions Full-duplex
-
Header -
None
(Default)
Footer -
<CR>
(Default)
Number of digit output
-
None (Default)
RS/CS control
-
None (no protocol system)
(Default)
CS waiting time
-
Not limited (Default)
ACK/NAK waiting time
-
Not limited (Default)
Precautions for Correct Use
This document describes the setting procedure of the CJ1W-SCU42 Serial Communications
Unit with unit number 0, communications (connection) port 2, and device name J01. To
connect devices under different conditions, change the variable names and setting values
used in the program by referring to 9. Program.
Содержание V400-R2 Series
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