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support.automation.siemens.com | Technical Forum | Tuesday, January 19, 2021 4:29:44 AM

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Need help to get the pumps work equally well

Created by: solmaz at: 8/24/2018 12:42 PM (12 Replies)

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8/25/2018 5:39 PM	Rate (0)
solmaz Member Joined: 6/11/2015 Last visit: 1/14/2021 Posts: 6 Rating: (0)	yes I solved. I understand, a very good comparison. But I thought of something simpler . because pumps in boilers can run for a very long time. Sometimes this may not be desirable. In the secondary circuit pump for heating, winter constantly trying for 6 months. so! input 1 = 1 "6 months during winter open " After input 1 = 0 "6 months during summer closed" But, In your project 1 pump runs for 1 year. Other year other pump. I sent an e-file. But when the electricity is cut or "I1" is turned on, pulse generator reset? I do not know. very good. What is your suggestion in attachment Attachment Pump_dev.zip (16 Downloads)

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8/25/2018 5:57 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 1/19/2021 Posts: 20959 Rating: (2309)	If you want the pumps always for a fixed period of time (called "summer" and "winter"), I would consider a yearly timer in your place. Example: Summer time: 01.04. until 30.09. Winter time: 01.10. until 31.03. Set the year timer with the date for summer time. It then has 1 signal during this time and then turn on pump 1. In the wintertime the year timer has then 0-signal and then pump 2 on.
	Last edited by: ixo65 at: 8/25/2018 5:59:03 PM
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This contribution was helpful to 1 thankful Users solmaz

8/25/2018 6:32 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 1/19/2021 Posts: 20959 Rating: (2309)	Here a possible solution. Attachment Pump_change_over_seasons_(FS4).zip (23 Downloads)

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This contribution was helpful to 1 thankful Users solmaz