Uploaded May 2025 | Updated September 2026, 2 weeks ago

---

▶ Want to learn industrial automation? Go here: realpars.com
▶ Want to train your team in industrial automation? Go here: realpars.com/business

▶ You can read the full article here:
realpars.com/blog/plc-analog-input-troubleshooting

⌚Timestamps:
00:00 - Intro
01:22 - Understanding PLC AI
02:26 - Level control loop example
04:30 - Using a digital multimeter
05:44 - Updated drawings
06:39 - Troubleshooting and measuring
08:05 - Using a process calibrator

This video explains how to troubleshoot PLC analog input failures in process control environments, including measuring loop current and identifying issues causing analog reading errors.
You'll also learn the correct way to place an ammeter, use updated wiring diagrams, and measure current and voltage for effective troubleshooting.

=============================

Courses Mentioned in Video:

Industrial Sensor Fundamentals: realpars.com/courses/industrial-sensor-fundamentals

Transmitter Basics: realpars.com/courses/transmitter-basics

=============================

Did you miss out on the latest and greatest? Catch up now by watching our videos right here:

realpars.com/blog/controlflash-plus-api

realpars.com/blog/micro800-simulator

realpars.com/blog/logix-designer-sdk

=============================

Follow us on Facebook 👉 facebook.com/therealpars

Follow us on Twitter 👉 twitter.com/realpars

Follow us on LinkedIn 👉 linkedin.com/company/realpars

Follow us on Instagram 👉 instagram.com/realparsdotcom

#processcontrol #RealPars #digitalmultimeter