Special multi axis positioning controller for NSD servo system.
Program capacity: Max 60K step.
Input / output points: 1920 points.
The control of AC motor is accomplished by using the output signal of PLC to drive the contactor.
4 input points and 1 output points are occupied, and a reversible motor is controlled,
5 input points and 2 output points are needed to control a unidirectional operation of variable pole speed control motor,
5 input points and 2 output points are required to control a unidirectional operation of the rotor AC motor,
3 input points and 4 output points are needed to control a reversible running winding rotor AC motor,
Requires 4 input points and 5 output points.
16 channels.
Input: DC-10 ~ 10V, DC-20 ~ 20mA.
Output (resolution): -4000 ~ 4000, -2000 ~ 2000
Transformation speed: 1ms (sample processing) /7ms (direct access processing).
38 point terminal station.
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 MITSUBISHI A73CPU-S3.
And then combine the data and the program with CPU
A73CPU-S3
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.
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 MITSUBISHI A73CPU-S3.
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 requirements,
Should consider the best performance to price ratio, a reasonable choice of PLC.
The working process of the input interface circuit: when the switch is closed, the diode light,
The transistor is then guided to the internal circuit and input signal under the irradiation of the light MITSUBISHI A73CPU-S3.
When the switch is off, the diode does not emit light, and the transistor is not on the way A73CPU-S3 MITSUBISHI. Internal circuit input signal.
It is through the input interface circuit to the external switch signal into PLC internal can accept the digital signal A73CPU-S3 MITSUBISHI.
MITSUBISHI PLC is the main product in the production of MITSUBISHI motor in Dalian.
It uses a kind of programmable memory for its internal storage procedures,
Execute logic operation, sequence control, timing, counting and arithmetic operations, user oriented instruction,
And through digital or analog input / output control of various types of machinery or production process A73CPU-S3 MITSUBISHI. A3VTS with additional floor.
Switch volume control is designed to,
According to the current input combination of the switch quantity and the history of the input sequence,
So that PLC generates the corresponding switching output,
In order to make the system work in a certain order.
So, sometimes also known as the order control.
And sequential control is divided into manual, semi-automatic or automatic.
And the control principle is decentralized, centralized and hybrid control three.
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.
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 modee A73CPU-S3.
There exist input / output hysteresis phenomena, i.e., the input / output response delay.
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 A73CPU-S3.
Read only memory. Manufacturers use, content can not be changed, power does not disappear.