10 - Which Rung Wins? (AB PLC Training)

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Uploaded by on Mar 24, 2009

Allen-Bradley PLC Demonstration Training Videos. See http://www.ronbeaufort.com for more details.

Next Lesson : http://www.youtube.com/watch?v=KraWAA_i9GM

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Uploader Comments (RonBeaufort)

  • I have been watching your videos on the SLC 500 and may I say that I went to a tech school and took a class on PLC and I have learned more from you then I did there...thank you so much for sharing your knowledge

  • @julstepp I'm glad that you found the videos helpful. Thank you for your comment. Ron

  • you can not have the same two output. Rung 0 should be B3.

  • Greetings wrabbit1. I'm afraid that you've missed the point. The purpose of this lesson is to teach how the PLC executes its program. It shows what happens step-by-step during the scan sequence. You're correct that using a "double-coil" like this is USUALLY a programming mistake – but here it's being done intentionally for training purposes. How can you learn troubleshooting and problem-solving skills without "troubles" and "problems" to solve? Thank you for your comment. Ron

  • kool...will do that..but i do have one question...im unsure of what cable is needed or my RSlogix 500 to communicate with my SLC 500..it looks just like a regular CAT5 cable..but im reading in places that is untrue..i need some kind of dh485 cable?..where can i grab something of this sort..

  • do NOT plug a regular Ethernet cable into that port ... there is 24VDC on some of the pins that can damage your computer ... I buy any cables that I need from the PLCTRAINER site ... (I have no financial connection with that site) ... you can find a link on the Links to PLC Resources page of my website ... Ron

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  • I just felt like being hit in the face with a shovel; what a revelation; love the way you break down PLC operation into its most simplest forms; like how you said "PLCs don't work like human brains; it can't see what's ahead"....what a great way of explaining it all...very simple, but straight to the point.

  • whoops..i already did that..but PC seems to be fine..so i must have gotten lucky....thanks for the info..

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