HVAC and Pumping Forum
Support Forum for HVAC and pumping machines, Modicon M17x and EcoStruxure Machine Expert HVAC software for chillers, AHU, CRAC units for datacenters or process chillers applications - from design, implementation to troubleshooting and more, by Schneider Electric.
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Posted: 2022-08-04 07:32 AM
Hi, for my understandig S and R are more related to graphical languages like FBD and LD.
I think if you want do the same in ST you could use an IF THEN ELSE combination.
I could not find a sample in the online help or a way to use it in ST.
But if you use the SR/RS FB it should work.
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Posted: 2022-08-04 07:32 AM
Hi, for my understandig S and R are more related to graphical languages like FBD and LD.
I think if you want do the same in ST you could use an IF THEN ELSE combination.
I could not find a sample in the online help or a way to use it in ST.
But if you use the SR/RS FB it should work.
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Posted: 2022-08-04 07:43 AM
Ok. I thought this was part of the IEC 61131 standard, but now I see that in codesys it seems to be part of the extended standard (whatever that is it looks like not the standard implementation).
https://help.codesys.com/webapp/_cds_exst_operator_r;product=codesys;version=3.5.14.0
Thanks for your fast answer.
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