Omron G9SP-N20S - Software Design Section 7 Communications with a Standard Plc Using an Option Board

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Software Design
SECTION 7
Communications with a Standard PLC Using an Option Board
This section describes how to perform communications with a Standard PLC through an RS-232C Option Board or
Ethernet Option Board.
7-1 Functionality for All Option Board's . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
7-1-1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
7-1-2 Application Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
7-1-3 Transmission/Reception Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7-2 RS-232C Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
7-2-1 Communications Specifications and Settings. . . . . . . . . . . . . . . . . . 115
7-2-2 Communications Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
7-2-3 Application Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
7-3 Ethernet Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
7-3-1 Communications Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
7-3-2 Application Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126