Input and output points: 224 points.
Input / output data points: 224 points.
Program capacity: 14K.
Basic command processing speed (LD command) s:0.25.
Internal storage RAM memory capacity: 64k.
Internal storage E2PROM memory capacity: 32k.
The popularization and application of PLC programming has been developed rapidly in our country,
It has been widely used in all kinds of mechanical equipment and production process of electrical control devices,
All walks of life have emerged a large number of application of PLC transformation of the results of the equipment AJ72LP25 datasheet PDF catalog AJ72LP25 PDF datasheet AJ72LP25
Understand the working principle of PLC, have the ability to design, debug and maintain the PLC control system,
Has become the basic requirements of modern industry for electrical technicians and engineering students AJ72LP25 datasheet PDF catalog AJ72LP25 PDF datasheet.
Switching value, also known as logic, refers to only two values, 0 or 1, ON or OFF.
It is the most common control, it is the advantage of PLC control,
Is also the most basic application of PLC.
Structured text language is a programming language that describes a program with a structured description of the text AJ72LP25 datasheet PDF catalog AJ72LP25 PDF datasheet.
It is a programming language similar to a high level language. In large and medium-sized PLC systems, structured text is often used to describe the relationship between the variables in the control system.
Mainly used for other programming languages more difficult to achieve the user program.
Input status and input information input from the input interface,
CPU will be stored in the working data memory or in the input image register.
And then combine the data and the program with CPU.
The result is stored in the output image register or the working data memory,
And then output to the output interface, control the external drive. Transmission line unit for MELSECNET/MINI (-S3) twisted pair data link.
Loop: twisted pair I/F.
Remote station: twisted pair line I/F.
MITSUBISHI PLC protection and chain procedures.
Protection and chain is an indispensable part of the program, must be carefully considered.
It can avoid the control logic confusion caused by illegal operations.
MITSUBISHI PLC initialization procedure. After MITSUBISHI PLC on power, the general need to do some of the initial operation,
In order to start making necessary preparations, to avoid the wrong operation of the system.
The main contents of the initialization program are: to some data area, counter and so on,
Data needed to restore some of the data area,
Set or reset some relays,
For some initial state display, etc..
MITSUBISHI PLC program simulation debugging
The basic idea oof program simulation debugging is,
In order to facilitate the form of simulation to generate the actual state of the scene,
Create the necessary environmental conditions for the operation of thee program AJ72LP25 datasheet PDF catalog AJ72LP25 PDF datasheet AJ72LP25 datasheet PDF catalog AJ72LP25 PDF datasheet.
Depending on the way the field signals are generated,
The simulation debugging has two forms of hardware simulation and software simulation.