After many years in industrial control maintenance, I can tell you that there are actually three common faults with PLCs: all indicator lights are off, a certain input point has no output (manifesting as a specific action failing), and communication issues. Next, let’s look at how to troubleshoot these three problems (applicable to all brands … Read more
Visible PLC faults: 1. Module shows a red light (restart the module; if it still shows red after restarting, replace the PLC module. When replacing, the wiring plug does not need to be changed; just unplug the old module and plug in the new one). 2. All devices in the centralized control cannot start. First, … Read more
Introduction PLC programming and debugging is a critical and complex task. It acts as the “brain” of the entire automation system; any issues can directly affect the normal operation of the production line. As the core control device, the programming and debugging process of PLCs is often filled with challenges. Below, we will delve into … Read more
The Boto software prompts that the PLC does not execute after downloading the program, which may be due to the following reasons: – Program Compilation Errors: There are syntax errors, logical errors, or unresolved symbol references in the program, which prevent it from being downloaded or executed correctly. A comprehensive compilation of the program is … Read more
Recently, I’ve had several beginners asking me how to configure the PLC programming environment, and I really can’t believe it! It’s always these basic questions. Don’t you know how to use Baidu? Alright, today I’ll talk about the PLC programming environment so you don’t end up with a bunch of messy issues that require me … Read more