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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: mylespetro

Forum: LIVE PLC Questions And Answers September 19th, 2023, 11:19 AM

Replies: 59 Chemical dosing pump Views: 5,685 Posted By mylespetro Sorry, I'd misunderstood that Q2 was a pump. Sorry, I'd misunderstood that Q2 was a pump.

Forum: LIVE PLC Questions And Answers September 19th, 2023, 09:43 AM

Replies: 59 Chemical dosing pump Views: 5,685 Posted By mylespetro In your screenshot, I3 is going to turn off Q2... In your screenshot, I3 is going to turn off Q2 once it changes state because it's not sealed in. I've attached a screenshot of how I would program this (this is in AB Studio 5000 but it works the...

Forum: LIVE PLC Questions And Answers September 18th, 2023, 04:02 PM

Replies: 59 Chemical dosing pump Views: 5,685 Posted By mylespetro Disregarding that the logic doesn't really seem... Disregarding that the logic doesn't really seem to indicate it should work that way based on the action of the switch, if Q2 is turning on based on the status of I3, it should stay on until I6 drops...

Forum: LIVE PLC Questions And Answers September 18th, 2023, 03:55 PM

Replies: 59 Chemical dosing pump Views: 5,685 Posted By mylespetro If I3 indeed opens when water level touches the... If I3 indeed opens when water level touches the sensor/switch, I think you need to change the instruction to be an NC instruction (examine if closed or XIC in Allen-Bradley speak), because currently...

Forum: LIVE PLC Questions And Answers September 18th, 2023, 03:33 PM

Replies: 59 Chemical dosing pump Views: 5,685 Posted By mylespetro So when the water level is normal, or NOT high,... So when the water level is normal, or NOT high, is I3 active? I.e. is it normally closed and opens on high water level, or normally open and closes on high water level?

Forum: LIVE PLC Questions And Answers September 18th, 2023, 01:11 PM

Replies: 59 Chemical dosing pump Views: 5,685 Posted By mylespetro Looks to me like I3 (I believe, kind of hard to... Looks to me like I3 (I believe, kind of hard to read) needs to go active to pull in Q2, which will then be "sealed in" by its own contact below I3. I only skimmed over the earlier posts so I'm not...

Showing results 1 to 6 of 6

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