Wow this is great. I do tons of state programming and doing it manually is effective but brutal keeping tracking of everything, making sure stages exit correctly and bits gets cleared
Stage programming also allows a very simple implementation of watchdog timers in each stage to troubleshoot stuck machine processes. I had a battery assembly machine that was very old with a lot of sequences. Addint watchdog timers in each stage allowed me to link error messages for the maint. Dept. To quickly fix he old machine.
Thanks for the comment Alex! We like Stage programming too. It makes maintaining and debugging programs easier and just provides a natural flow to the program.
In the Stage itself, you do not even have to use the SET and RST for the Ys. You could just use OUT. The reason is because when you JMP out of that Stage it will automatically turn OFF any Ys that have been turned ON. So, this way, the Stage code is even simpler than is shown in this video.
@gregkiser8880, thanks for the tip! For anyone reading this, Greg is part of our Federation Partner, HOST engineering. When it comes to Do-More programming, you can treat his comments like gold!
All of the editing commands are in help topic DMD0220 "The Ladder Editor." In a nutshell, ctrl + arrow keys do the wiring. For example, ctrl-down arrow will draw a vertical line, ctrl right arrow will draw a right line.
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Out commands write to the bit every scan no matter what. This allows control of y0 from multiple places. If you have out y0 on more than one line in he program you get very weird results.
Stage programming is fantastic. I cannot go back to the old way. Used it for years. Other plc do not offer this without doing a lot of extra work.
Thanks for the feedback Alex! We like it too ... Stage programming makes both writing and maintaining code so much easier ...
Wow this is great. I do tons of state programming and doing it manually is effective but brutal keeping tracking of everything, making sure stages exit correctly and bits gets cleared
Thanks! Did you know we have over 1000 automation videos like this at www.automationdirect.com/videos? Check it out!
Stage programming also allows a very simple implementation of watchdog timers in each stage to troubleshoot stuck machine processes. I had a battery assembly machine that was very old with a lot of sequences. Addint watchdog timers in each stage allowed me to link error messages for the maint. Dept. To quickly fix he old machine.
Thanks for the comment Alex! We like Stage programming too. It makes maintaining and debugging programs easier and just provides a natural flow to the program.
In the Stage itself, you do not even have to use the SET and RST for the Ys. You could just use OUT. The reason is because when you JMP out of that Stage it will automatically turn OFF any Ys that have been turned ON. So, this way, the Stage code is even simpler than is shown in this video.
@gregkiser8880, thanks for the tip! For anyone reading this, Greg is part of our Federation Partner, HOST engineering. When it comes to Do-More programming, you can treat his comments like gold!
how do you connect one rung to other????
All of the editing commands are in help topic DMD0220 "The Ladder Editor."
In a nutshell, ctrl + arrow keys do the wiring. For example, ctrl-down arrow will draw a vertical line, ctrl right arrow will draw a right line.
Great!
Glad you found it helpful!
Did you know that we have over 1500 videos like it at:
www.automationdirect.com/videos .............. Random Search/Topic
www.automationdirect.com/cookbook ........ Bu Subject
Why didn't you just use OUT in the stages instead of SET/RST?
Thank you for watching! For technical questions like this, please contact our free award winning tech support. They are setup to give you the most efficient and quickest support.
Phone: 1-800-633-0405
Email: www.automationdirect.com/adc/Form/User/TechInquiry
Support: support.automationdirect.com/
Please let us know if you have any other questions!
Thanks, AutomationDirect
Out commands write to the bit every scan no matter what. This allows control of y0 from multiple places. If you have out y0 on more than one line in he program you get very weird results.
Write a 1 or 0.