Fault Handling Articles

Writing PLC Programs That Maintenance Engineers Will Thank You For a Lifetime (Standardized Programming Guide)

2026-06-06 by boardor

In non-standard automation projects, the delivery of equipment is just the beginning; the real test lies in subsequent maintenance. A standardized PLC program not only allows maintenance engineers to quickly get up to speed but also significantly reduces equipment failure rates and maintenance costs. Naming Conventions: Let the Program “Speak for Itself” The Golden Rules … Read more

Applications, Installation Considerations, and Common Fault Handling of Eddy Current Sensors

2026-06-06 by boardor

1. Working Principle Eddy current sensors can be divided into high-frequency reflective and low-frequency transmissive types. Below, we will elaborate on their working principles:Eddy current sensors operate based on the principle of electromagnetic induction, but they are fundamentally different from traditional electromagnetic induction, and in practical measurements, it is essential to avoid interference from electromagnetic … Read more

Introduction to PLC Maintenance and Fault Handling

2026-04-20 by boardor

June Course Schedule July Course Schedule 1 CPU Abnormality: When the CPU malfunctions, check all components connected to the internal main line of the CPU. The specific method is to sequentially replace components that may cause the fault, identify the faulty component, and take appropriate action. 2 Storage Device Abnormality: When an alarm occurs for … Read more

Wind Turbine Fault Handling

2026-04-12 by boardor

Wind energy is an inexhaustible and renewable energy source, promoting harmonious coexistence between humanity and nature while driving economic development. With increasing awareness of climate issues, wind power has rapidly developed, especially in developing countries like India and China. Compared to traditional power generation methods, wind power has advantages such as high generation efficiency and … Read more

Practical PLC Alarm Program: Three-Stage Standardized Development Process and Fault Handling Techniques

2026-02-05 by boardor

Standard Structure of PLC Alarm Programs Standardized Programming: Use abbreviated variable names, and describe functions accurately in comments, such as the input interface variable name Active (bool type, comment as Alarm Message), CBFW (bool type, comment as Control Bit Warning/Fault (0=Warning /1=Fault)). Block Title and Detailed Description: The block title is limited to a one-line … Read more

Standardized Design of PLC Alarm Programs: A Three-Stage Implementation from Light Control Logic to Fault Handling!

2026-02-05 by boardor

Overview: Why can standardized programs reduce 80% of fault misjudgments? In automated production lines, the alarm system is the “language” of human-machine interaction: a flashing red light indicates an emergency fault, a yellow light represents a warning state, and a steady green light is a “reassurance signal” that the equipment is functioning normally. However, in … Read more

Standardized Design of PLC Alarm Programs: A Three-Stage Implementation from Light Control Logic to Fault Handling!

2026-01-26 by boardor

Search on WeChatIndustrial Control Blade Overview: Why can standardized programs reduce 80% of fault misjudgments? In automated production lines, the alarm system is the “language” of human-machine interaction: a flashing red light indicates an emergency fault, a yellow light represents a warning state, and a steady green light is a “reassurance signal” that the equipment … Read more

PLC Remote Diagnostics: Expert Online Support for More Professional Fault Handling!

2025-11-11 by boardor

“PLC Remote Diagnostics: Expert Online Response in Seconds, Reducing Equipment Downtime Loss by 80%!” Hey! Brothers and sisters, today let’s talk about something exciting! Can you guess what the most blood-pressure-raising scene in a factory is? It’s not the roaring machines or the boss checking in, but rather—sudden production line downtime, with engineers stuck in … Read more

Siemens PLC Practical Guide: Building a Highly Reliable Station Automation System with a Full-Stack Solution from Hardware to Software

2025-11-04 by boardor

The station automation system can significantly enhance operational efficiency, safety, and passenger experience, with the core being the organic integration of Siemens PLC control technology and network communication. 1. Hardware Configuration The Siemens PLC plays a central role in the station automation system, and the selection must fully consider control points, communication requirements, and system … Read more

Handling Fire Alarm System Circuit Short Circuits and Device Failures

2025-06-09 by boardor

Fire Alarm System Circuit Bus Short Circuit Handling Methods When a certain circuit bus of the fire alarm system experiences a short circuit and the current between wires is too high, the controller emits sound and light alarms, while displaying a short circuit on the LCD screen in Chinese (see the image below). The printer … Read more