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Curve Temperature Logo!

Created by: tecnoelectron at: 1/2/2010 7:31 AM (6 Replies)

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1/2/2010 7:31 AM	Rate (0)
tecnoelectron Posts: 6 Rating: (0)	Hello everyone! I'm new to this forum; I'm learning about the logo! I hope someone can help me solve my problem. I have installed several modules logo! AM2 PT100, to control the temperature in the heating of chicks. My problem is that the temperature curve for chicks is this: (in attachment) In some classes of chicks only need heating for 10 days, then schedule a fixed temperature for the day, something like this. Day 1 = 31.00 ° C Day 2 = 30.75 ° C Day 3 = 30.50 ° C Day 4 = 30.00 ° C Day 5 = 29.75 ° C Day 6 = 29.25 ° C Day 7 = 29.00 ° C Day 8 = 28.5 ° C Day 9 = 28.00 ° C Day 10 = 28.75 ° C the problem comes when heating is needed for 15 days or more, the blocks are not enough! My question is: There any way to get temperature curve for example with maximum and minimum temperature (31.00 - 28.75) and the Logo! Scroll the temperature curve in the 10 days? Is that possible in logo! Thanks. Attachment Temperature Chicks.zip (550 Downloads)
tecnoelectron Posts: 6 Rating: (0)	Last edited by: tecnoelectron at: 1/2/2010 8:49 PM I''m sorry friends some parameters of the program were wrong. Already corrected and updates.
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1/2/2010 5:56 PM	Rate (0)
cdrshort Bronze Member Joined: 9/6/2008 Last visit: 3/29/2024 Posts: 134 Rating: (16)	if i see corect you use a v5 (main unit) version of logo .there is the limit of the 10 text mesage block. well if you upgrade to v6 you may have up to 50 mesage block.
	http://electrotech-techblogg.blogspot.gr/
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1/2/2010 6:27 PM	Rate (0)
tecnoelectron Posts: 6 Rating: (0)	Thanks cdrshort for you answer, You are right, but it is too expensive to change all unit to 0BA6. I'm looking for how to generate the temperature curve. Someone else has another idea. Thanks Best regards.
tecnoelectron Posts: 6 Rating: (0)
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1/2/2010 11:12 PM	Rate (2)
Betel Platinum Expert Joined: 1/5/2007 Last visit: 4/7/2023 Posts: 1690 Rating: (580)	Hi, sorry i have no more time now, so.. ...do you need a curve to use in your circuit, then look at CO2 calculation - Math equations with LOGO! or you can use memories builded by a circuit--look with SEAECH... If you only wont to display all the values with separate time stamps - that is not possible (look answer before) Best regards Betel
	==> Meine TAG-Listen: "deut." ==> "Sammlung von Hinweisen und Schaltungen" ==> "PD-3-Punkt-Schritt-Regelung (z.B. für Mischer)" ==> "Zeiterfassung, ASTRO-Uhr,..." ==> "Meine EXCEL-Tools" + "Tool zur Linearisierung" ==> "Komplexes Rechnen mit der LOGO"
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1/3/2010 3:46 PM	Rate (0)
tecnoelectron Posts: 6 Rating: (0)	Betel Thanks for your help, I really need is to generate the temperature curve and go through in time. Right now I'm reviewing the recommended information and trying to assimilate to apply it to my situation. then I will comment on the outcome.
tecnoelectron Posts: 6 Rating: (0)
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1/14/2010 10:26 AM	Rate (0)
Wilfried5719 Posts: 1 Rating: (0)	Hello Tecnoelectron, In my early days (...) we also had sometimes not all instructions available. Maybe you can solve this case in basics as follows: Make a 24-hour pulse that increases a counter (or value in a register adress) at the preferredtime of day, so ie at 0700 hours or at 2300 hours. Every time the counter increases you do a math that changes the preferred setpoint. So at the first pulseat day 1 you start with (loading) 100degrees (example). At the secondpulse (= day2) you math (setpoint = setpoint minus 5) and you so have 95 degrees. At the thirdpulse (= day3) you math (setpoint = setpoint minus 10) and you then have 85 degrees. At the fourthpulse (= day4) you math (setpoint = setpoint plus 3) and you then have 88 degrees. Take care to make thesevalues buffered in case of ie power dips. This way you can make a long traject since counters and regs are available, also with extra timepulses, ie with minutes. Succes, maybe this approach will be of help?! Wilfried
Wilfried5719 Posts: 1 Rating: (0)
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1/25/2010 3:07 PM	Rate (0)
LOGO!Barbarian Posts: 173 Rating: (95)	Hey Wilfried5719 ! Nice answer! If he is using an older LOGO! and not a 0BA6, then there is no maths to do this adding and subtracting. BUT He could store the various values in groups of 4 in different MUX blocks, and then with the incrementing counter and some simple logic, the EN of the correct MUX block and the right 'address' of the S1 & S2 inputs can be made so that the right analog value goes out! Whadaya think?!?!? Aaaaarrrggghhh!
LOGO!Barbarian Posts: 173 Rating: (95)
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