External input / output interface unitInput points: 32 points.
Voltage: DC24V.
Current: 8.5mA.
Response time: 10ms.
32 points / a common end.
Positive / negative sharing.
38 point terminal station.
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 A1SY18AEU Manual A1SY18AEU User's Manual A1SY18AEU
Read only memory. Manufacturers use, content can not be changed, power does not disappear.
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 A1SY18AEU Manual A1SY18AEU User's Manual. Therefore PLC selection,
Under the premise of meeting the control requirements,
Should consider the best performance to price ratio, a reasonable choice of PLC.
Each scanning process. Focus on the input signal sampling. Focus on the output signal to refresh.
Input refresh process A1SY18AEU Manual A1SY18AEU User's 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.
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. Module for A3VTS multiplex system.
MITSUBISHI PLC detection, fault diagnosis andd display and other procedures A1SY18AEU Manual A1SY18AEU User's Manual.
These procedures are relatively independent, generally in the basic completion of the program design and then add.
MITSUBISHI PLC protection and chain procedures.
Protection aand chain is an indispensable part of the program, must be carefully considered A1SY18AEU Manual A1SY18AEU User's Manual.
It can avoid the control logic confusion caused by illegal operations.