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MITSUBISHI A1SJ71LR21 datasheet PDF
Product model: A1SJ71LR21
Name: Network module
Brand: MITSUBISHI
Sort: PDF datasheet
File language: English
Input and output points: 512 points.
Input / output data points: 512 points.
Program capacity: 14K.
Basic command processing speed (LD command) s:0.20.
Each scanning process. Focus on the input signal sampling. Focus on the output signal to refresh.
Input refresh process. 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 A1SJ71LR21 PDF A1SJ71LR21
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.
The length of the scan cycle is determined by the three A1SJ71LR21 PDF.
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.
Usually in words or K words as units A1SJ71LR21 PDF. 16 bit binary number is a word,
Every 1024 words are 1K words. PLC to store instructions and data in words.
General logical operation instructions each account for 1 words. Timer / counter,
Shift instruction accounted for 2 words. Data operation instructions for 2~4. Input: AC100 ~ 120v/200 ~ 240v,
Output: 5A DC5V.
PLC programming has a wide range of applications, powerful, easy to use, has become one of the main devices of modern industrial automation,
In all areas of industrial production has been widely used,
Applications in other areas (such as civil and home automation) have also been rapidly developed.
It uses programmable memory,
An instruction used to perform logical operations, sequence control, timing, counting and arithmetic operations in its internal storage,
And through digital, analog input and output,
Control of various types of machinery or production processes. Programmable controller and related equipment,
Should bee easy to make the industrial control system to form a whole, easy to expand the principle design of its functions A1SJ71LR21 datasheet.
As can be seen from the above definition, PLC is a program to change the control function of the industrial conttrol computer,
In addition to the completion of a wide variety of control functions, as well as with other computer communications networking features A1SJ71LR21 datasheet.