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AJ71QC24N-R4 MITSUBISHI AJ71QC24N-R4 Serial communication module
Brand: MITSUBISHI
Name: Serial communication module
Model: AJ71QC24N-R4
RS-422 1 channel, RS-422/485 1 channel.
Transmission speed: 2 channel total is 115.2kbps.
Control layer /MELSECNET/10 (H) is the middle layer of the whole network system,
Control network which is convenient and high speed processing data transmission between PLC, CNC and other control equipment.
As MELSEC control network MELSECNET/10,
With its good real-time performance, simple network settings, no procedures of the network data sharing concept,
As well as the redundant circuit and so on, has obtained the very high market appraisal,
The number of devices to reach the highest in japan,
In the world is also one of the few.
And MELSECNET/H not only inherited the excellent characteristics of MELSECNET/10,
Also makes the network real-time better, more data capacity,
Further adapt to the needs of the market.

Input and output points: 256 points.
Input / output data points: 256 points.
Program capacity: 6k.
Basic command processing speed (LD command) s:1.0.
Internal storage RAM memory capacity: 16k.
User program storage capacity: it is a measure of how much the user application can store the number of indicators MITSUBISHI AJ71QC24N-R4.
Usually in words or K words as units. 16 bit binary number is a word,
Every 1024 words are 1K words AJ71QC24N-R4 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.
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 the host or the basic unit, small, ultra small PLC using this structure MITSUBISHI AJ71QC24N-R4.
Modular: PLC is the basic components of a separate module.
Medium and large PLC used this way. Easy maintenance. Input points: 32 points.
Voltage: DC48/60V.
Current: 3/4mA.
Response time: 20ms.
8 points / a common end.
Negative utility MITSUBISHI AJ71QC24N-R4.
38 point terminal station.
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 MITSUBISHI Serial communication module.
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 MITSUBISHI Serial communication module.
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.
CPU the speed of executing instructions.
Time of instruction.
Instruction count.
Due to the adoption of centralized sampling MITSUBISHI Serial communication module.
Centralized output mode.
There exist input / output hysteresis phenomena, i.e., the input / output response delay.
PLC selection with the development of PLC technology, more and more types of PLC products,
Function is becoming more and more perfect, and its application is more and more extensive.
Different series of different models of PLC has different performance, applicable occasions also have different emphasis,
Price also has a greater difference. Therefore PLC selection,
Under the premise of meeting the control requirrements,
Should consider the best performance to price ratio, a reasonable choice of PLC AJ71QC24N-R4.
System program memory for storing system program,
Including management procedures, monitoring procedures, as well as the user program tto do the compiler to compile the process of interpretation MITSUBISHI AJ71QC24N-R4.
Read only memory. Manufacturers use, content can not be changed, power does not disappear.


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