At the end of the Delta PLC course, there is a simple course related to a simple way of connecting our PLC to an HMI device. I hope it can help you out!❤❤
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Very useful for beginners, my question is what's the difference of using between each type of plc output ( relay , npn , pnp) and what is the condition to use each type
Hi there, your question is a general question and it's not possible to answer it completely here. So, let's see only 4 important points related to PLC outputs: 1- Relay outputs work like a simple switch. Therefore, we will need an external power supply (220/110 Vac, 24 Vdc, 12Vdc). But NPN and PNP outputs work based on transistor circuits which produce a limited voltage to turn on equipment like LEDs. So, we won't need an external power supply. 2- Note that, we determine the power supply type for relay outputs. So, relay outputs can turn on a more variety of devices, but its speed is slower than NPN and PNP outputs. 3- Remember, PLCs couldn't turn on devices like 3phase motors. so, we use a power circuit beside the PLC. see this video (ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-xPT3VOxtQ2k.html) 4- The most important point to select the output type is the power of the device that must be turned on by the PLC output. But it's not too important, because you can design and use a power circuit beside the PLC.
All HMIs are usually programmed more or less the same way, please check my last lessons on Delta PLC videos, in which I interfaced an HMI with my Delt PLC to get some ideas about how to use a different brand one!
Hi there, thanks for your comment. note that, there are different temperature regulators and you need to use their catalogs. However, during the delta course, different projects, either with analog or digital signals, and also a PID controller have been implemented using Factory I/O and Eazy PLC simulators. I hope they can be useful for you
Very nice video. Points are well explained. I have a question, how do you program a ladder logic for alternating between 2 motors (alternating the duty motor between motor 1 and motor 2)in each cycle. A cycle is a duration of motor turn on such as the duration of a digital sensor state 1. If in this cycle, motor 1 is turn on when digital sensor state turns to 1, then the next time when digital sensor turns to 1 again, motor 2 will be turned on. Many thanks.
Thanks for checking out the channel, and found its content useful. However, this comment section of the videos are devoted to the technical questions about the videos NOT asking for a solution for a given hypothetical PLC control programming code.
Thank you for your very good traning video I am software program for commercial application Would you please inform me about ST command and lanagauge with ispsoft
i dont have clear how to supply the terminals up and zp when is pnp or npn. when the imputs of cpu is pnp, the terminal s/s is conected to negative? help me with the both.
Hi there, First of all, if you don't have any experience with a real PLC, please request help from an expert person, to prevent any damage and injures to your PLC and of course, to yourself. however, I think the slide at the time 8:10 can help you.
1- Open RU-vid and navigate to our RU-vid.com/plcgoods channel page. 2- Click on the magnifying glass icon (located next to the About tab) to expand the Search Channel field 3- Type: "counter delta plc" and press Enter to validate. 4- you will see a bunch of videos we published related to the topic you are looking for. I hope this can help you.
