How to write a general mode parallel link communication program?

Write a general mode parallel link communication programTwo FX2N series PLCs exchange data through a 1:1 parallel link communication network, designing oneGeneral mode communication program. The communication operation requirements are as follows.(1) The ON/OFF status of the master station XOOO to X007 is output to the slave station through M800 to M807.YOOO—Y007.(2) When the calculation … Continue reading How to write a general mode parallel link communication program?

How to program the master station setting program for N:N network parameters?

N:N network parametersSetting requirements: Set the PIC as the master station, set the number of slave stations to 2, and use the mode 1 brush.New, the number of communication retries is set to 3, and the communication timeout is set to 40ms.Solution: Set according to the setting requirements, and get the program ladder diagram. M8038After … Continue reading How to program the master station setting program for N:N network parameters?

What is the execution order of the PLC program?

PLC program execution order(1) The ladder diagram should be programmed with the left bus as the starting point and the right bus as the end point, from left to right, written line by line.The beginning of each line is the starting condition, consisting of normally open, normally closed contacts or a combination thereof. The rightmost … Continue reading What is the execution order of the PLC program?

PLC programming tutorial – Word logic operations

Basic PLC programming tutorial for Beginners how to work with word logic operations in TIA V13 and how to work in TIA Portal V13/V14. Content: - AND logic operation (AND) - OR logic operation (OR) - EXCLUSIVE OR logic operation (XOR) - Create ones complement (INVERT) - Decode (DECO)Basic PLC programming tutorial for Beginners how … Continue reading PLC programming tutorial – Word logic operations

PLC programming tutorial – Program control operations

Basic PLC programming tutotrial for Beginners how to work with program control operations in TIA V13 and ho to work in TIA Portal V13/V14. Content: - Jump if RLO = 1 (--(JMP)) - Jump if RLO = 0 (--(JMPN)) - Jump label (Label)Basic PLC programming tutorial for Beginners how to work with program control operations … Continue reading PLC programming tutorial – Program control operations

PLC ladder programming principles and programming methods

(1) Input / output relay, internal auxiliary relays, timers, counters and other devices of the contact can be used repeatedly, without complex program structure to reduce the use of contacts. (2) Each line ladder left the bus started, the coil terminates at the right bus. Contacts are not on the right side of the coil, … Continue reading PLC ladder programming principles and programming methods

how to Learn Mitsubishi PLC ladder programming

Beginner PLC ladder programming should be to follow certain rules, and develop good habits. In this paper, Mitsubishi FX series PLC, for example, briefly explain the Mitsubishi PLC ladder programming rules to be followed, allowing users to better understand how to learn to see the Mitsubishi PLC ladder programming, we want to help. One thing … Continue reading how to Learn Mitsubishi PLC ladder programming