How to Test PLC Digital Inputs and Outputs (Step-by-Step Guide)

RealPars March 17, 2025
Video Thumbnail

About

No channel description available.

Video Description

▶ Want to learn industrial automation? Go here: http://realpars.com ▶ Want to train your team in industrial automation? Go here: http://realpars.com/business ▶ You can read the full article here: https://www.realpars.com/blog/plc-digital-io-troubleshooting ⌚Timestamps: 00:00 - Intro 01:25 - Understanding digital and analog I/O 02:27 - Troubleshooting an input circuit 07:22 - Troubleshooting the output side 10:28 - Wrap-Up This video explains how to interpret PLC LED status indicators for digital inputs and outputs and how to perform troubleshooting tests using a Digital Multimeter. You will learn how to test an input circuit containing a PBNC or Push Button normally closed switch connected to an input of an Allen Bradley 1756-IB16 Sinking digital input module. It also explains an example of a fault condition of PLC's output side, containing a lamp connected to the output of an Allen Bradley 1756-OB16D digital Sourcing output module. ============================= Course Mentioned in Video: PLC Hardware Fundamentals: Power, I/O Modules & Signals: https://www.realpars.com/courses/plc-hardware-fundamentals ============================= Did you miss out on the latest and greatest? Catch up now by watching our videos right here: https://www.realpars.com/blog/manufacturing-reshoring-usa https://www.realpars.com/blog/realpars-training https://www.realpars.com/blog/automation-engineering-careers ============================= TWEET THIS VIDEO: https://ctt.ac/RhEgx ============================= Follow us on Facebook 👉 https://www.facebook.com/therealpars Follow us on Twitter 👉 https://twitter.com/realpars Follow us on LinkedIn 👉 https://www.linkedin.com/company/realpars Follow us on Instagram 👉 https://www.instagram.com/realparsdotcom #RealPars #allenbradley #PLCtroubleshooting

PLC Testing Must-Haves

AI-recommended products based on this video

Loading...
Digital Multimeter Voltmeter Battery Voltage Multi Tester AC DC Volt OHM Amp Current Meter Circuit Continuity Resistance Diode Electrical Tester with Test Leads Backlight LCD Display

Digital Multimeter Voltmeter Battery Voltage Multi Tester AC DC Volt OHM Amp Current Meter Circuit Continuity Resistance Diode Electrical Tester with Test Leads Backlight LCD Display

(1,904)
$16.13
FREE delivery Sat, Jan 3 on your first order
1K+ bought in past month
Loading...
AstroAl Digital Multimeter 2000, Multimeter Tester with Volt Amp Ohm, Multi Meter Measures Voltage, Current, Resistance, Continuity and Diode, Electrical Tester with Test Leads, Backlight LCD Display
Best Seller

AstroAl Digital Multimeter 2000, Multimeter Tester with Volt Amp Ohm, Multi Meter Measures Voltage, Current, Resistance, Continuity and Diode, Electrical Tester with Test Leads, Backlight LCD Display

(48,000)
$19.54
FREE delivery Mon, Aug 25 on your first order
2K+ bought in past month
Loading...
MSI MAG A550BN, Non-Modular Compact 550W Power Supply, 80+ Bronze, Low-Noise Fan, Active PFC Design, 5 Year Warranty

MSI MAG A550BN, Non-Modular Compact 550W Power Supply, 80+ Bronze, Low-Noise Fan, Active PFC Design, 5 Year Warranty

(1,215)
$69.99
FREE delivery Sat, Jan 3
100+ bought in past month
Loading...
MSI MAG A850GL PCIE5 White, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty

MSI MAG A850GL PCIE5 White, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty

(217)
$144.99
FREE delivery Sun, Jan 4Only 8 left in stock.
50+ bought in past month
Loading...
MSI MPG A1000GS PCIE5, Fully Modular Gaming 1000W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-Grade, ATX 3.1 & PCIe 5.1, Low-Noise, Semi Digital, Embossed Jacket Cables, 10 Year Warranty

MSI MPG A1000GS PCIE5, Fully Modular Gaming 1000W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-Grade, ATX 3.1 & PCIe 5.1, Low-Noise, Semi Digital, Embossed Jacket Cables, 10 Year Warranty

(192)
$169.99
FREE delivery Sat, Jan 3
50+ bought in past month
Loading...
MSI MPG A850GS PCIE5, Fully Modular Gaming 850W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-Grade, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, Semi Digital, Embossed Jacket Cables, 10 Year Warranty

MSI MPG A850GS PCIE5, Fully Modular Gaming 850W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-Grade, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, Semi Digital, Embossed Jacket Cables, 10 Year Warranty

(32)
$139.99
FREE delivery Jan 7 - 9
50+ bought in past month
Loading...
Mini PC Stick Fanless MeLE PCG02 J4125 8GB LPDDR4 128GB eMMC Mini Stick Computer HDMI 4K 2.4G/5GHz Wi-Fi 5 BT4.2 Gigabit Ethernet Micro PC on Industrial IoT, Digital Signage, WMS, MES, NAS, Office

Mini PC Stick Fanless MeLE PCG02 J4125 8GB LPDDR4 128GB eMMC Mini Stick Computer HDMI 4K 2.4G/5GHz Wi-Fi 5 BT4.2 Gigabit Ethernet Micro PC on Industrial IoT, Digital Signage, WMS, MES, NAS, Office

(64)
$175.74
PrimeFREE delivery Sat, Jun 14
Loading...
MeLE PCG02 Fanless Mini PC Stick 12TH N100 CELERON WIN11Pro 8GB 128GB Micro Desktop Computer Stick Support HDMI 4K 60Hz Wi-Fi5 Gigabit Ethernet BT5.1 on Business Office Industrial IOT Media Home

MeLE PCG02 Fanless Mini PC Stick 12TH N100 CELERON WIN11Pro 8GB 128GB Micro Desktop Computer Stick Support HDMI 4K 60Hz Wi-Fi5 Gigabit Ethernet BT5.1 on Business Office Industrial IOT Media Home

(706)
$269.99
PrimeFREE delivery Sat, Jun 14
Loading...
MeLE Mini PC Quieter2Q Fanless Celeron J4125 Micro Computer 8GB 128GB Small Desktop Servers with Ethernet PXE Dual HDMI 4K Unlock BIOS on Industrial Astrophotography Media Office

MeLE Mini PC Quieter2Q Fanless Celeron J4125 Micro Computer 8GB 128GB Small Desktop Servers with Ethernet PXE Dual HDMI 4K Unlock BIOS on Industrial Astrophotography Media Office

(411)
$195.99
PrimeFREE delivery Sat, Jun 14
Loading...
Cat Scratch Deterrent Spray, Cat Repellent Spray Indoor and Outdoor for Cat and Kitten, No Scratch Spray Training Aid for Furniture, Sofas, Curtains - Non-Toxic, Alcohol-Free Formula 120ML

Cat Scratch Deterrent Spray, Cat Repellent Spray Indoor and Outdoor for Cat and Kitten, No Scratch Spray Training Aid for Furniture, Sofas, Curtains - Non-Toxic, Alcohol-Free Formula 120ML

(20)
$17.98
FREE delivery Fri, Feb 27 on your first order
Loading...
Crovakeu Professional Lock Pick Set - 1-Piece Compact Locksmith Tools Kit with Practice Locks for Beginners & Pros - Portable Lockpicking Tools for Fidget, Stress Relief & Skill Training

Crovakeu Professional Lock Pick Set - 1-Piece Compact Locksmith Tools Kit with Practice Locks for Beginners & Pros - Portable Lockpicking Tools for Fidget, Stress Relief & Skill Training

(13)
$11.99
FREE delivery Jul 2 - 22
100+ bought in past month