Phase 13: Timer Relays & Sequence Control

This phase contains 3 sections and 22 checklist topics. Use the interactive phase page to track your own learning progress.

Timer types

ON-delay
OFF-delay
Interval
Pulse
Cyclic
One-shot
Star-delta timer
Retentive
And 1 more checklist topics

Learn

Timer coil/input
Timer output
Preset
Elapsed time
NO timed contact
NC timed contact
Instantaneous contact
Timing diagram

Applications

Delayed motor start
Delayed motor stop
Sequential motors
Cyclic lamp
Star-delta transition

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JavaScript Required for Interactive Study Tools

slearnauto is an interactive industrial automation learning platform with progress tracking, flashcard quizzes, and interactive phase checklists. While JavaScript is required to track your progress and use the study tools, our complete 46-phase curriculum is available at: