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Every thursday

Created by: kohl.seb at: 7/1/2013 7:58 AM (9 Replies)

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7/1/2013 7:58 AM	Rate (0)
kohl.seb Posts: 2 Rating: (0)	hi togethter, i got a large problem. a bakery asked me to repair their dough-mixer ( rührwerk ), i programmed the modul and it runs all week long, except every thursday to friday it stopps frequencly, and a don´t know why, im loosing my composure. the machine stopps, the dough in the machine has to be kneaded every few minutes that the air in is gets out. Attachment rührwerk.JPG (394 Downloads)
kohl.seb Posts: 2 Rating: (0)	Last edited by: kohl.seb at: 7/1/2013 8:13 AM
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7/1/2013 11:09 AM	Rate (0)
KM_AS Silver Expert Joined: 11/23/2011 Last visit: 9/9/2025 Posts: 202 Rating: (32)	Hello kohl.seb, is it possible to attach your program file? Greetings, KM_AS

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7/1/2013 12:17 PM	Rate (0)
viralpatel Silver Member Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating: (32)	kohl.seb hi togethter, i got a large problem. a bakery asked me to repair their dough-mixer ( rührwerk ), i programmed the modul and it runs all week long, except every thursday to friday it stopps frequencly, and a don´t know why, im loosing my composure. the machine stopps, the dough in the machine has to be kneaded every few minutes that the air in is gets out. Hi, which PLC CPU you are using? you have create all logic, if not then can you check In CPU properties Time -of -Day interrupt it will disturb your logic ? viral patel
	Last edited by: viralpatel at: 7/1/2013 12:18 PM
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7/1/2013 1:10 PM	Rate (0)
Amit_86 Platinum Member Joined: 3/18/2008 Last visit: 12/8/2023 Posts: 1750 Rating: (272)	viralpatel Hi, which PLC CPU you are using? you have create all logic, if not then can you check In CPU properties Time -of -Day interrupt it will disturb your logic ? viral patel Hello Viral, it is a logo PLC. With logo i don't think such feature exists like in s7300/s7400 PLC. kohl.seb hi togethter, i got a large problem. a bakery asked me to repair their dough-mixer ( rührwerk ), i programmed the modul and it runs all week long, except every thursday to friday it stopps frequencly, and a don´t know why, im loosing my composure. the machine stopps, the dough in the machine has to be kneaded every few minutes that the air in is gets out. Program codes are required to identify the Porblem if you feel any problem in Program. Do you have TD with logo? if yes then have you noticed any alarm during such incident?
	VANDE MATARAM.....
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7/1/2013 1:15 PM	Rate (0)
Saggy Silver Member Joined: 11/8/2011 Last visit: 3/7/2025 Posts: 387 Rating: (43)	kohl.seb hi togethter, i got a large problem. a bakery asked me to repair their dough-mixer ( rührwerk ), i programmed the modul and it runs all week long, except every thursday to friday it stopps frequencly, and a don´t know why, im loosing my composure. the machine stopps, the dough in the machine has to be kneaded every few minutes that the air in is gets out. attach your program file

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7/2/2013 5:20 AM	Rate (0)
viralpatel Silver Member Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating: (32)	Amit_86 viralpatel Hi, which PLC CPU you are using? you have create all logic, if not then can you check In CPU properties Time -of -Day interrupt it will disturb your logic ? viral patel Hello Viral, it is a logo PLC. With logo i don't think such feature exists like in s7300/s7400 PLC. kohl.seb hi togethter, i got a large problem. a bakery asked me to repair their dough-mixer ( rührwerk ), i programmed the modul and it runs all week long, except every thursday to friday it stopps frequencly, and a don´t know why, im loosing my composure. the machine stopps, the dough in the machine has to be kneaded every few minutes that the air in is gets out. Program codes are required to identify the Porblem if you feel any problem in Program. Do you have TD with logo? if yes then have you noticed any alarm during such incident? yes, you are right just want to confirm by mistake query posted on Logo or ? regards, viral patel

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7/2/2013 9:42 AM	Rate (0)
Toeternietoe Platinum Member Joined: 12/27/2006 Last visit: 8/26/2025 Posts: 1200 Rating: (116)	Why stops the machine? Is the motor too hot? Is there somewere a clock thats stop the machine? In your 1 post there is a clock input on the LOGO! Or do you think the LOGO! works not correct. I use a lot of LOGO!s, about 50-100 each year, anf have never a problem of that kind. The LOGO! works correct, or works never, (or the programm is not correct, but thats my fault) Check the inputs and outputs when the machine stops. You can check it on the LOGO display use Button Down several times, until the date and time is in the display. With the button Left or Rigt, you get the status of the inputs/ ourputs and so on. Perhaps there is a input or output wire not correct unther the screw. Let us know when you have solved the problem, and what was the problem.

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7/2/2013 6:32 PM	Rate (0)
William_B Posts: 5225 Rating: (1204)	Hi. My first thought is that a counter or timer "saturates". However, I do not see any issues with the code segment you give. Off the wall suggestion.. Is there perhaps something "special" that takes place in the factory on those days? Maybe the power to the PLC is "stolen" or interrupted? Maybe the signals coming in is sporadic.. interrupted or something like EMF noise. I do not know your environment.. so this outside the box suggestions I make to you. It would have been nice to be able to have a 2nd LOGO to check if the same happen to that unit. Good luck. w
William_B Posts: 5225 Rating: (1204)
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7/2/2013 6:34 PM	Rate (0)
William_B Posts: 5225 Rating: (1204)	PS: ..another out of the box suggestion -- set the internal date to the wrong date. At least that would confirm that it is not related to the LOGO.
William_B Posts: 5225 Rating: (1204)
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7/2/2013 7:37 PM	Rate (0)
StijnN Posts: 2 Rating: (0)	Am I wrong, or do i see you are using an external clock with input on I3? Maybe you should check that external clock settings... or use a built-in clock from the logo. Grtz, Stijn.
StijnN Posts: 2 Rating: (0)
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