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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
Device name
Unit number
Communications
(connection) port
Serial communications mode
Data length
Stop bit
Parity
Transmission rate (Baud rate) 9,600 bps (Default)
Protocol macro transmissions
Header
Footer
Number of digit output
RS/CS control
CS waiting time
ACK/NAK waiting time
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.
6. Serial Communications Settings
Serial Communications Unit
J01
0
Port 2 (RS-232C)
Protocol macro
8 bits
1 bit
None
Full-duplex
-
-
-
-
-
-
Code Reader
-
-
-
-
8 bits (Default)
1 bit (Default)
None (Default)
9,600 bps (Default)
-
None (Default)
<CR> (Default)
None (Default)
None (no protocol system)
(Default)
Not limited (Default)
Not limited (Default)
9
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