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I want to use Real Time Clock for Omron PLC
PLCs and related questions. topic
Posted by ferhat karabiyik on 18 January, 2001 - 2:17 pm
Hi all, I use Omron PLC. I don't know the Real Time Clock. Where I can find this information. ferhatkarabiyik@yahoo.com


Posted by CK on 18 January, 2001 - 4:43 pm
It would really help if you said which Omron PLC. Not all of the PLCs have support for a real time clock. Check with Omron's website at http://oeiweb.omron.com and you should be able to download manuals for the family of PLC you're using.

CK


Posted by David Wooden on 19 January, 2001 - 11:59 am
For C200H series PLCs, look at words AR18 through 21. To set the clock on the C200HX PLCs: 1. Set PLC in Program mode. 2. Set bit AR21.14. This stops the clock and allows you to write to it. 3. Enter the desired values: AR18 (Seconds in low byte, minutes in high byte), AR19 (Hours in low byte, day of month in high byte), AR20 (Month in low byte, 2 digit year in high byte), AR21 (Day of week in low byte) 4. Set AR21.15. This sets the new values in the internal clock and resumes the clock operation. >Where I can find this information. Omron PLC manuals can be viewed online at http://oeiweb.omron.com/oei/ . Select Support, then Technical Manuals, then Programmable Controllers.


Posted by Eric Nagy on 20 January, 2001 - 3:18 pm
Some of the Omron PLC's like the CQM1 and CQM1-A require a seperate clock module card to be installed before access the clock funtcion as described above.

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