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Sequencer SQC ,SQL ,SQO & SQI Instructions for Allen Bradley SLC 500 & MicroLogix 1500 PLCs
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- Опубликовано: 15 окт 2020
- Sequencer SQC SQL SQO SQI Instructions for Allen Bradley SLC 500 RSLogix 500. This video discusses the basic sequencer instructions such as sequencer input, output, load, and SQC. A traffic stoplight project is developed to show how these instructions can be integrated with a typical control program. The program is then executed using RSLogix 500 simulator software and also on the MicroLogix 1500 PLC,
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Muchísimas gracias!!! finalmente pude entender la instruccion SQO !!!
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Amazing tutorial. Thanks!
Great, thanks for your comment!
Excellent explanation
Thanks for your comment, glad to see you found the content useful!
wow im getting certified on the 5000 software. its even more confusing but thanks to you the explaination was more informative.
Glad it was helpful!
Once again as always, thanks a lot for these amazing and insightful tutorials!
Please sir, could you help me understand the need for the two timers?
Also, how were you able to make the outputs to blink for 2 seconds when when the timers each was for just a second independently.
keep up the good works sir, you are still the best. Greetings from Nigeria!
Hello. thanks for your comment.
1. see the last line of the plc program (time 14:10) . I need a contact to change from 0 to 1 every 2 seconds. I used two timers to create this contact (T4:2/DN). Also, it's possible to create this contact with a timer that repeats its timing every 2 seconds.
2. Note that, The SQO instruction works with any positive pulse (edge changing from 0 to 1). As you can see, when the CPU is executing the program, the T4:2/DN contact is activated for 1 second and deactivated for 1 second. But its value changes from 0 to 1 every 2 seconds
@@plcgoodsmentor9223
Thanks alot for your prompt response as always.
Pls, it's still a bit blurred to me about how the 2 seconds clock was manipulated within 1 second.
Am just a learner and I believe there is a technique you used that can be beneficial if I can understand how it was achieved.
Thanks alot sir
Thank you! Glad that you liked the content, to support the channel
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Great videos. You don't know how you've help me thru the years.
Could you please help me figuring out is there a way to make a sequence for a single Out bin (lets say 02:0/1) and change the value in a sequence from B3:0/0 then, B3:0/1 then, B3:0/2, etc.
Thanks.
Hi there, Right now I don’t have access to my Allen Bradly PLC and its software to help you. However, thanks so much because of your comments.❤
I'm currenting making a project with the SQO for school, and I'm confused onto how you'd reset the SQO to reset the process.
Hi there, try to use and change the entered control address(R6:0)
could you get your issue resolved ?
What would be a practical application for these instructions?
usually the instructions simplify your ladder program by allowing you to use a single instruction or pair of instructions to perform common complex operations. I try to explain HOW to use each, BUT to know WHERE to use each, depends on the programmer
Thanks for the tutorials. Pls I want to purchase the RSlogix 500/5000. Any contact.
please to purchase, follow this link to www.plcgoods.com site:
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Sir, as you told, To find in AB Playlist about 'MSG' instructions, but it's not there for RSlogix 500. Please upload a lecture on this topic. MSG instructions is not available in whole RUclips. So please help on this, I am badly confused and searching about last 3 months.
Yes, you are right, I misunderstood your question, my apology!
@@plcgoods Sir, It's ok. No need for apologi. But, it's request to upload a video on MSG instruction. And thanks for the responses
I misunderstood you, Sorry!
@@santiagomoore374, It takes lots of time and planning to create videos with this quality, right now, I am working on my Delta-related video and do have time to spend on anything else, BUT thanks for your concern and comments.
Where's the instruction on SQC, SQL, and SQI as described in the title?
SQO, SQC & SQL are used to write the PLC control program which controls the Stoplight project. In the video, all explanation is given and the setting up those instructions are clearly explained. SQL is not used in the project but its application is very close to the other ones.
@@plcgoods I agree that SQC and SQL are mentioned but not to the point of true explanation providing understanding. I think you should have not included them in your title because it's misleading. I was expecting a better explanation or example of how these two are used. :(
in 3Fh what means the h ?? if only 3F is 63
Hi there, Yes 3Fh means the 3F number in Hexadecimal format which is equal to 63 in decimal format.
The previous comment was intended for the video #9.
Thanks for your comments!
This voice needs work, but your logic is great!
Glad you find the content useful and instructive!