{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"Factory Field Notes","title":"Ep. 20 | How to Build a PLC Training Kit Students Learn From: Real Terminals, Real E-Stops, Clear Diagrams","html":"","width":"100%","height":180,"duration":2124,"description":"PLC training kit design decides whether students learn what the plant floor actually looks like. A Mitsubishi trainer and a student capstone panel show where good intentions fall short: banana plugs, a single channel E-stop, and a missing ground.\nSubscribe for weekly industrial automation discussions built from the most upvoted questions in the community.\nLearn more at Joltek:\n- Safety in Industrial Automation and Manufacturing: https://www.joltek.com/blog/safety-industrial-automation-manufacturing\n- Guide to Installing a Windows VM on Proxmox: https://www.joltek.com/blog/guide-installing-windows-vm-on-proxmox\n- Humble Beginnings: Consulting and Upskilling in Systems Integration: https://www.joltek.com/blog/humble-beginnings-consulting-upskilling-systems-integration\n- Workforce Development and Education: https://www.joltek.com/services/service-details-workforce-development-education\nThe longest segment is a teardown of a PLC trainer built for an engineering university and sponsored by Mitsubishi Electric. The ingredients are right: a Mitsubishi PLC and HMI, a D800 series VFD, a stack light, a potentiometer, relays and a proximity sensor. The problem is how the I/O reaches the student. Every point breaks out to banana plugs, so nobody lands a wire in a terminal block, the first thing they will do in a real panel. 24 VDC is yellow and 0 VDC is blue, the faceplate diagrams never say whether a push button is normally open or normally closed, and the E-stop is a single channel push button in an E-stop housing. ISO 13850 treats the emergency stop as a complementary protective measure that stays latched until someone deliberately resets it, and in practice that function runs on dual channels through a safety relay or safety controller. A trainer that teaches the shape of an E-stop without the circuit behind it teaches the wrong lesson. I prefer a compact core kit with everything else brought in through terminals.\nThe capstone panel is a two tank transfer system built on...","thumbnail_url":"https://img.transistorcdn.com/bLSthDC6mLkQ3vEghIEbytYZBvBBofsfsFEpsA-BvSs/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS83ZDg0/MTRlOGJkNzQxN2Ex/M2NlNjg4N2EwMzI1/MmM4NS5wbmc.webp","thumbnail_width":300,"thumbnail_height":300}