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Ethernet Communications Section 7-3
Sample Ladder Programming
Step Description
1 The fixed portion of the send command is set. This processing is performed once at startup.
2 Set the control data of the CMND instruction.
3 Clear the receive area in preparation for the first reception.
4 Once the data has been stored in the cleared receive area, check the size, and then start receive processing.
5 From the response, copy the G9SP Communications Transmission Data to CIO 200 and CIO 201 and the G9SP
Safety Input Terminal Data to CIO 202 to CIO 204.
6 Once receive processing has been completed, set G9SP Communications Reception Data to the send com-
mand from CIO 100.
7 Clear the receive area in preparation for the next reception.
8 The send command is sent to the Ethernet send port, which enables sending to the G9SP-series Controller.
(1)
(3)
(4)
(6)
(5)
Reception processing
Send processing
Initialization
(2)
(7)
(8)
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