Tag Archives: Siemens plc programming

Mitsubishi PLC, FX1S and FX1N difference in functionality

Mitsubishi PLC FX1N: basic unit (24/40/60) with relay or transistor output Up to 128 points can be extended to a maximum 100kHz built-in 2-way high-speed pulse output function (transistor output type). Special function modules can be connected to FX2N series Expansion board with a variety of functions for use Mitsubishi PLC FX1S: basic unit (10/14/20/30) […]

When PLC online, the state appears the statements are not being processed?

In an FC where monitoring occurs when the statements are not being processed When other FC monitoring are normal, you can connect, ask why? A: PLC online, the state appears the statements are not being processed? Indicates that some statements have not been processed. This execution logic of your program about: There compare, branch, some […]

Siemens PLC high-speed counter preset value can be zero right?

Siemens PLC high-speed counter preset value can be set to zero, the purpose you want to use based on the high-speed counter. every one has a 32-bit high-speed counter current value and a 32-bit preset value,Current and preset values ​​are unsigned integer value. All counter modes are supported by the current value equal to preset […]

Siemens PLC serial communication method

1, RS485 serial communication Most third-party device support , Siemens S7 PLC by selecting the free port communication mode control serial communication. In the simplest case only send information to the third party equipment , such as printers or the transmission frequency instruction (XMT). In either case , must be achieved through the S7 PLC […]

Siemens S7-200plc how to create or add your own library in the block

Users can put their programming is integrated into the programming software Micro / WIN is. This allows calls to achieve the same function library instruction in programming, rather than several projects simultaneously open file copy. Command library can also be easily passed among multiple programming computers. New library steps: 1 : Micro / WIN’s File […]