We're hiring automation, industrial AI and test engineers.

Apply now
VarinAutomation
Automation Fundamentals

Foundation · Lesson 01 of 8

Industrial Signals

Digital and analog signals, sensor states, scaling, wiring checks, and IO validation.

Understanding Industrial Signals Video available to enrolled trainees after login

Study notes

  1. Learn how field devices communicate machine states through digital and analog signals.
  2. Study common sensor outputs, signal scaling, wiring discipline, and practical IO checking.
  3. Connect signal behavior with PLC inputs, HMI status, alarms, and troubleshooting notes.