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MITSUBISHI A1SJCPU Programming Manual (Dedicated Instructions) PDF

Brand: MITSUBISHI
Product model: A1SJCPU
Name: PLC
Sort: Programming Manual (Dedicated Instructions)
File language: English
File size: 17.11MB
RS-232 2 channel.
Transmission speed: 2 channels.
At the same time the use of 115.2kbps may.
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 A1SJCPU PDF.
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 A1SJCPU
Semiconductor circuit with memory function.
System program memory and user memory.
System program memory for storing system program,
Including management procedures, monitoring procedures, as well as the user program to do the compiler to compile the process of interpretation A1SJCPU PDF.
Read only memory. Manufacturers use, content can not be changed, power does not disappear. Input and output points: 1024 points.
Input / output data points: 1024 points.
Program capacity: 14K A1SJCPU PDF.
Basic command processing speed (LD command) s:0.20.
Optical data communication line function (GI cable).
Integral type: the PLC components are installed together or a few pieces of printed circuit board,
And together with the power supply installed in the casing to form a single overall called tthe host or the basic unit, small, ultra small PLC using this structure MITSUBISHI Programming Manual A1SJCPU Manual .
Modular: PLC is the basic components of a separate module.
Medium and large PLC used this way. Easy maintenance.
Each scanning process. Focus on the input signal sampling. Focus on the output signal to refresh.
Input refresh process MITSUBISHI Programming Manual. When the input port is closed,
Program in the implementation phase, the input end of a new state, the new state can not be read.
Only when the program is scanned, the new state is read.
A scan cycle is divided into the input sample, the program execution, the output refresh.
The contents of the component image register are changed with the change of the execution of the program MITSUBISHI Programming Manual.
The length of the scan cycle is determined by the three.
CPU the speed of executing instructions.
Time of instruction.
Instruction count.
Due to the adoption of centralized sampling.
Centralized output mode.
There exist input / output hysteresis phenomena, i.e., the input / output response delay.
User program storage capacity: it is a measure of how much the user application can store the number of indicators A1SJCPU Programming Manual.
Usually in words or K words as units. 16 bit binary number is a word,
Every 1024 words are 1K words. PLC to store instructions and data in words.
General llogical operation instructions each account for 1 words A1SJCPU Manual . Timer / counter,
Shift instruction accounted for 2 words. Data operation instructions for 2~4.
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