Drive unit.
MITSUBISHI universal AC servo amplifier MELSERVO-J4 series.
Rated output: 37kw.
Interface: universal type.
Power supply: three phase AC400V.
Support position control, speed control, torque control.
Position control to follow the position instructions.
When the control is inserted, the position control is performed .
Speed control follows the speed command to control the speed within a certain range
MR-J3-22KB4
Torque control to follow the torque command to control the stable torque.
Function of switching amplitude. The increase in the process of switching and stopping,
And in the operation of the use of the switching signal, switching growth. Input unit (upper / lower limit LS signal) (NSD servo system)
Each scanning process MR-J3-22KB4. 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 MR-J3-22KB4.
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.
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 meeeting the control requirements,
Should consider the best performance to price ratio, a reasonable choice of PLC MR-J3-22KB4.
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 MR-J3-22KB4.
Read only memory. Manufacturers use, content can not be changed, power does not disappear.
MR-J3-22KB4 Operation manual / Instructions / Catalog download link:
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