What Is a PLC? Programmable Logic Controller Explained (Architecture, Wiring & Industrial Automation

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What Is a PLC? Programmable Logic Controller Explained (Architecture, Wiring & Industrial Automation)
If you’re an engineer, system integrator, or automation professional trying to understand what a PLC is and how PLCs fit into modern industrial automation systems, this video gives you a full breakdown.

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All Products mentioned in this video
Our Website ➡️ https://www.icpdas-usa.com/index.php
WISE-5231 ➡️ https://www.icpdas-usa.com/wise_5231....
tGW-700 Series ➡️ https://www.icpdas-usa.com/modbus_con...
M-7000 Series ➡️ https://www.icpdas-usa.com/m_7000_rem...
DL-Series Environmental Loggers ➡️https://www.icpdas-usa.com/cl_dl_seri...
PM-3000 Series Power Meters ➡️ https://www.icpdas-usa.com/intelligen...

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⌚ Timestamps
00:00 Intro
00:20 What is a PLC?
02:02 Real World Examples
03:23 Integration, Reliability & Summary
05:38 Outro

QUESTION
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📘 About:
In this episode of our Industrial Automation series, we answer one of the most important questions engineers ask: “What Is a PLC?”
If you’ve ever wanted a clear explanation of what a PLC is, how PLC architecture works, and how PLCs integrate into modern industrial automation systems, this video breaks it all down in a practical, engineering-focused way.

A Programmable Logic Controller is the backbone of industrial automation — used across manufacturing, water systems, energy management, and high-density data centers. In this video, we explain what a PLC does, how PLC scan cycles work, and how PLCs connect to sensors, remote I/O modules, power meters, environmental monitoring devices, and SCADA systems.

You’ll also see how ICP DAS USA hardware — including WISE edge controllers, M-7000 remote I/O modules, DL-series environmental loggers, PM-3000 power meters, and tGW Modbus gateways — extends what a PLC can do in both modern and legacy applications.

If you’ve been searching for What Is a PLC, What does a PLC do, or PLC architecture explained, this video gives you the complete overview so you can design smarter, more reliable control systems.

💡 Topics Covered:
• What Is a PLC (Programmable Logic Controller)?
• What a PLC does in industrial automation
• PLC architecture: CPU, memory, I/O, power
• PLC scan cycle: read → execute → write
• PLC wiring basics and communication
• Distributed I/O with the M-7000 and tM series
• Environmental monitoring using DL-series loggers
• Power monitoring using the PM-3000 series
• What Is Modbus for PLC communication
• Modbus RTU vs Modbus TCP
• Using tGW gateways to connect legacy serial devices
• Real PLC use cases in water systems, manufacturing, and data centers
• How PLCs integrate into SCADA and IIoT systems

📊 Why Watch:
If you're researching What Is a PLC or trying to understand how PLCs fit into modern automation systems, this video gives you an in-depth, practical explanation designed for engineers, integrators, and technical professionals.

You’ll learn how PLCs communicate, how to expand a PLC with distributed I/O, how environmental sensors and power meters feed real-time data into PLC logic, and how gateways allow PLCs to communicate with legacy equipment. Whether you're designing a new control panel or upgrading an existing facility, this video provides the foundation you need.

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