Chapter 8 Appendix
[Example of using ERX]
A request for one ERX/EWX command is accepted for the same destination, and no other ERX/EWX command is accepted
until the communication is completed. Therefore, other ERX/EWX commands must wait until the executing ERX/EWX
command ends before starting the next ERX/EWX command. The following shows a reference ladder program using the
ERX command. The ERX command usually continues one scan of the CPU.
//Error count, communication flag clear
Initial re ..
//Count the number of abnormalities of ERX command
//Count the number of abnormalities of EWX command
Interlock circuit to execute ERX and EWX command by turns
Initial re ..
//ERX command
//EWX command
Summary of Contents for Kostac SJ-Ether Series
Page 1: ...English version of the KOSTAC SJ Ether series user s manual SJ ETHER USER M...
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