RSLogix PID Loop PLC Programming | Example of PID Control Instruction in Studio RSLogix 5000

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RSLogix PID Loop PLC Programming | Example of PID Control Instruction in Studio RSLogix 5000
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A PID control loop is a critical function within many industrial processes. It gives an engineer the ability to control a certain process based on the feedback received from field devices. Although this concept has a very extensive control systems background & theory, we've come to a point where we can utilize a PLC-based instruction to control the system without worrying about all the details.
As a control system technician, engineer or PLC programmer, it's important to know how to deal with PID loops, how to create one, where it's applicable, how to tune it, how to identify potential points of failure & have a basic understanding of the process in general. We will be discussing all of these points within this article as well as going over the process of creating a loop through an instruction in RSLogix 5000 & trending the output through the use of some basic logic routines & timers.
Full Tutorial: solisplc.com/rslogix-pid-loop...
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Пікірлер: 58

@johnson554671 3 жыл бұрын

Glad I'm learning some great tutorials about process controls and tuning PID loops. Thank you!

@RakeshP61 4 жыл бұрын

One of the best tutorials for Rockwell plc...thank you sir..

@Metawoodart 4 жыл бұрын

Very good lesson on PID control for temperature control. You are a really good teacher. Thank you.

@QuanNguyen-ui6ks Жыл бұрын

Thanks so much for your time.

@quoit99training83 5 жыл бұрын

Simply amazing explanation. Can’t thank enough Vlad for covering this tough subject in automation.

@SolisPLC 4 жыл бұрын

Thank you, I really appreciate the feedback.

@germancanahuire6782 3 жыл бұрын

Your videos are the best in youtube !!

@anoop22march 5 жыл бұрын

Great explanation Sir

@arjunsreepadam9178 3 жыл бұрын

Thanks a lot for Full explanation end to end it will Help somany members.thx a lot for your efforts

@barrydummigan9987 3 жыл бұрын

Great Video Vlad

@aaronjuniorhosea5240 8 ай бұрын

Amazing explanation, pretty clear and easy to understand.

@MrSon0919 Жыл бұрын

Very useful. Many thanks!

@danielaugustoalmeida1101 4 жыл бұрын

Nice video!! thank you so much for share it.

@matthewm760 4 жыл бұрын

your the best

@mariojaramillo6866 2 жыл бұрын

Great Video.

@fortifyfitofficial 2 жыл бұрын

Nice work!

@chriskranz6488 Ай бұрын

Fantastic video mate...It would be great if we we write structured text in CPT.

@PLCProgrammingCourses 4 жыл бұрын

Good content 😊

@dimak.9906 5 жыл бұрын

Great content! You earned a subscriber sir!

@SolisPLC 4 жыл бұрын

Thank you.

@billk364 2 жыл бұрын

In my plc 5 pid loop to tune it: using P only, slowly increase the gain until the loop starts to oscillate. Look at the chart and measure the time between the top of each wave. This is the natural frequency of the loop. write that number down. take the found gain(p) and cut it in half to stabilize the loop. Now with the time in seconds for the loop that you wrote down. take 1 and devide it by the number seconds for the loop natural cycle. this number is now your integral time. this is inverse seconds from the allen bradley manual. enter the integral. now you have a good starting point.

@dahoodhammed7334 4 жыл бұрын

Thanks for the video. How do I implement manual, auto and feedback system using this PID function?

@Futbolnews12 2 жыл бұрын

I guess I will have to watch this video like 5 times to understand it.

@mrtrader4628 4 жыл бұрын

Hi Vlad very good and very FAST like always , I like to know if you have all this on KZfaq channel what is in your SolisPLC course?

@oscarmontes1990 4 жыл бұрын

Hello Solis, how can I use the output to control a relay to power on a heating? I mean a digital output not an analog

@quality3ds416 2 жыл бұрын

Hi Vlad, where can i find the main program you build the PID SR so I can practice and play around with it?

@hotdawgmarine 2 жыл бұрын

Good morning, I have been using my older laptop to talk with my micrologix 800. I am about to buy a new laptop to dabble with PLCs and some computer programming. What is the minimum system you would suggest for a laptop? Thank you for your great videos. I'm still trying for the automation technician job.

@winnerchampion 2 жыл бұрын

Hi Vladimir, I just finish the course PowerFlex 525 Mastery and it was very interesting. But if you don't mind I would like to learn how the PID instruction work with some VFD as a pump with a flow meter and see how this PID instruction work exactly in a real world situation like trying to control the pump's flow. I check your youtube channel and I could't found any video using the PID instruction working or simulating a real situation. I would be very grateful for your help.

@SolisPLC 2 жыл бұрын

I've considered building a course on PIDs as it was a highly requested topic. I wasn't able to secure hardware required to demonstrate a PID so far... Unfortunately. I'll see if it's something we can add to our calendar.

@vote4perdo4 2 жыл бұрын

Vlad, my PID is based on high gas pressure. Would the CPT formula still work with my simulator?

@thiefgold0913 2 ай бұрын

Great video! On the PID instruction I'm not seeing a change in control variable just the Output % , is that normal?

@jaqsonbelnap9154 Жыл бұрын

Thank you, Vladimir! This video helped me understand how to use the PID instruction in Studio 5000. I am working on a project where I need to convert the PID_Temp instruction in Siemens TIA Portal to a PID instruction in Studio 5000. Do you have a video that explains how to use the PID_Temp instruction in TIA Portal?

@SolisPLC Жыл бұрын

Hey Jaqson, We don't have a video on the PID_Temp instruction in TIA Portal, but we'll add it to our content list. Thanks for the suggestion.

@waldoulloa7113 3 жыл бұрын

because when scaling the analog input in cpt block you mix the input and the output

@sankeshighorpade2775 5 жыл бұрын

Is it possible to use a PIDE function for slow opening but fast closing of a steam valve?

@SolisPLC 4 жыл бұрын

Definitely if it's tuned right.

@ManuelMartinez-fx6ql 4 жыл бұрын

Hi nice channel, you have a new subscriber!! Why you use that expression on the compute instruction? Did you invented that?

@SolisPLC 4 жыл бұрын

It's just a continuous loop to add in an error based on a previous value. It essentially simulates a delayed response, otherwise, the PID would correct itself instantaneously.

@vorapobautomation9760 3 жыл бұрын

How to configuration servo motor ?

@sethwilliamson1968 3 жыл бұрын

Im having an issue with the CPT instruction that you made up everytime I change the setpoint in the PID it just goes straight to the setpoint number no matter what values i put in the PID

@SolisPLC 3 жыл бұрын

That may be an issue with your update rate / timer. If it's too low, it will update instantly.

@polibiolins2737 4 жыл бұрын

Hi Vlad, I followed your video, but my trend was different. Your PV graph is curved, mine pv graph looks like a pulse, it is a little bit squared. You know what it could be?

@SolisPLC 4 жыл бұрын

Check the timer. The logic is based on the timer updating, so if the value is larger it will pulsate. That's my first guess. Also, check if your program is periodic or continuous and what the execution time is.

@sammysands1977 3 жыл бұрын

thanks master ,, ihave problem with my io ,,, i have compactlogic l16 bbb1b version 20 ,, (i downgrade the firmware from v28 to v20),,, the controller couldnt recognize the embeded io and the expansion io too ,the fault is 16#fd22)....thanks if you can help

@SolisPLC 3 жыл бұрын

See Rockwell knowledgebase answer ID: QA48929, they explain everything to fix that fault on your controller.