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IEC_Timer not working CPU 1511 TIA Portal v15.1

Created by: DanLime at: 10/4/2019 6:00 PM (5 Replies)

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10/4/2019 6:00 PM	Rate (0)
DanLime Advanced Member Joined: 7/4/2012 Last visit: 9/18/2025 Posts: 13 Rating: (0)	Hello! I'm programing a CPU 1511-1PN and I have programed 4 TON timers and one of them don't work! I've been testing place the timer in OB1, OB35, any FC or FB, change the DB, creatind new instance DB's and nothing. I attached a screenshot and the program file. Thank you in advance. Regards. Attachment EVMI_COMM_S7_L30ER_contador_errores.zip (226 Downloads)

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10/4/2019 7:04 PM	Rate (0)
KFoldesi Silver Member Joined: 9/8/2011 Last visit: 9/15/2025 Posts: 538 Rating: (90)	I only looked at the picture. I've had this kind of problem before. Have you recompiled all and sent to PLC again? I can't say it has done this to me in V15, but sometimes it thinks things match but they don't. When it isn't making any since I rebuild...
	A smart person learns from their mistakes A wise person learns from others mistakes
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10/4/2019 7:27 PM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 9/24/2025 Posts: 4718 Rating: (510)	Put a coil after the timer, that usually fixes the operation of the timer. --( )--

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This contribution was helpful to 1 thankful Users DanLime

10/4/2019 7:40 PM	Rate (0)
jacek d Platinum Expert Joined: 9/23/2005 Last visit: 9/24/2025 Posts: 5121 Rating: (768)	No worries it's not broken. I can assure you, that IEC timers work (at least in the way described in the online manual). But you are misusing it. Have you read the online manual? It's high time you did. If this does not help, use Search function in the Industrial Software/STEP 7 (TIA Portal) conference. Or even use Google search engine.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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10/4/2019 8:27 PM	Rate (0)
DanLime Advanced Member Joined: 7/4/2012 Last visit: 9/18/2025 Posts: 13 Rating: (0)	Thank you. I rebuild all (software & hardware) and still not working. I´ll reset to factory setting the PLC and memory reset, I hope this works.

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10/4/2019 8:30 PM	Rate (0)
DanLime Advanced Member Joined: 7/4/2012 Last visit: 9/18/2025 Posts: 13 Rating: (0)	Hati Put a coil after the timer, that usually fixes the operation of the timer. --( )-- That solve the problem. thank you.

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This contribution was helpful to 2 thankful Users 0_Einstein Hati

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