Basic Logic Instructions for Mitsubishi FX Series PLCsInput and Output Instructions (LD/LDI/LDP/LDF/OUT) (1) LD (Input Instruction) is a command connected to a normally open contact with the left bus. Each logical line starting with a normally open contact uses this instruction. (2) LDI (Inversion Instruction) is a command connected to a normally closed contact. Each … Read more
[Core Knowledge] Understanding PLC Logic Operations from 0 to 1: A Single Trick to Enhance Your Program Logic Tenfold! Do you remember the first time I faced that “mysterious” control cabinet on the factory production line? That was 15 years ago, right after I graduated from school, staring at the complex wiring and that little … Read more
This section introduces the basic knowledge of microcontroller programming, following the previous discussions on why C language is used for microcontroller programming and the programming environments required. The first topic to cover is bitwise operations. Bitwise operations are very common when configuring the registers of a microcontroller. For example, when configuring a GPIO of a … Read more