S7-300 PLC Pulse Timer Basics – Step-by-Step Guide for Beginners (Blinking Light Tutorial) #plc

Welcome to the first part of my S7-300 PLC Timer Series!

In this video, we begin working with timers in Siemens S7-300 PLCs using Ladder Logic in Simatic Manager. I’ll guide you step-by-step through the Pulse Timer (S_P) — explaining how it works, how to configure it, and how to test it using the PLCSIM simulator.

✅ What you'll learn in this video:

What is the Pulse Timer (S_P)?

How to set the time value using the S5T format

How the timer inputs and outputs work

How to simulate the timer without hardware

A practical example: Creating a flashing light with two pulse timers


This is just the beginning! In upcoming videos, I will cover each type of timer (S_PEXT, S_ODT, S_ODTS, S_OFFDT) in a clear and practical way — all with real simulations.

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If you found this video helpful, please like, share, and leave a comment with your questions or feedback. Your support motivates me to keep creating more useful PLC tutorials for you. 😊

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