Ladder Logic ElementsAdvancedAdvanced
1 min read
Updated 2025-11-10
Advanced

Immediate Input

IIN - Immediate Input

Reads physical input immediately instead of waiting for input scan phase.

Key Takeaways

  • Reads physical input immediately instead of waiting for input scan phase.
  • Advanced-level topic in Ladder Logic Elements

Detailed Definition

Reads physical input immediately instead of waiting for input scan phase. This term is essential for understanding ladder logic in industrial automation and PLC programming.

Common Questions

What is Immediate Input?

Reads physical input immediately instead of waiting for input scan phase.

What prerequisites are needed to understand Immediate Input?

As an advanced-level concept, Immediate Input requires a solid foundation in PLC fundamentals and intermediate programming concepts. It's recommended to have hands-on experience with Ladder Logic Elements before diving deep into this topic.

What are related concepts I should learn?

To fully understand Immediate Input, you should also familiarize yourself with TON (Timer On-Delay), TOF (Timer Off-Delay), and CTU (Count Up). These concepts work together in industrial automation systems.

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Quick Info

Difficulty
Advanced
Tier
Advanced

About Ladder Logic Elements

Contacts, coils, timers, counters, and ladder diagram components

Total Terms:70
Difficulty:Beginner to Intermediate