When we use devices such as PLCs, sensors, and servo motors, we often encounter some technical terms like AI, AO, DI, and DO, which many people find complex and difficult to understand. In fact, they are not as hard to grasp as we might think. Today, we will clarify what these terms mean to help … Read more
In PLC programming, the physical contact of the stop button is generally connected as normally closed, while in the program, it is written as normally open. This type of stop button only serves as a signal in this equipment.Why is the emergency stop in PLC programming opposite to that of a regular emergency stop button? … Read more
Digital Input Digital inputs can be used to collect switch signals, commonly used components include: buttons, limit switches, proximity switches, photoelectric switches, etc. Wiring Methods for Buttons and Switches The PLC input points are opto-isolated, and when the light source of the opto-isolator emits light, the PLC can receive the signal. There are two wiring … Read more
In PLC programming, the physical contact of the stop button is generally connected as normally closed, while in the program, it is written as normally open. This way, the stop button only serves as a signal in this equipment.Why is the emergency stop in PLC programming opposite to that of a regular stop button? In … Read more
In PLC programming, the physical contact of the stop button is generally connected as normally closed, while in the program, it is written as normally open. This type of stop button only serves as a signal in this equipment.Why is the emergency stop in PLC programming opposite to that of a regular emergency stop button? … Read more
In PLC programming, the physical contact of the stop button is generally connected as normally closed, while in the program, it is written as normally open. This type of stop button only serves as a signal in this equipment.Why is the emergency stop in PLC programming opposite to that of a regular emergency stop button? … Read more
Today, I will briefly introduce how to wire the Mitsubishi FX series PLC and how to download programs via RS-232. This simple explanation will help you quickly communicate with the PLC and run your own written programs. How to Communicate via RS-232 1. First, install the driver for the RS232 data cable: (1) Plug in … Read more