MELSECNET/10.
Inter-PC fiber loop. Input and output points: 2048 points.
Input / output data points: 2048 points.
Program capacity: 30K.
Basic command processing speed (LD command) s:1.0.
Each scanning process. Focus on the input signal sampling. Focus on the output signal to refresh.
Input refresh process A3ACPUP21 PID Control Instructions Manual A3ACPUP21 Programming 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 A3ACPUP21
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 A3ACPUP21 PID Control Instructions Manual A3ACPUP21 Programming Manual.
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 A3ACPUP21 PID Control Instructions Manual A3ACPUP21 Programming Manual.
Usually in words or K words as units. 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. 32 point connector 40 pin connector for welding.I/O control method: refresh mode or direct mode.
User program storage capacity: 8K step.
I/O points: 256 points.
Memory capacity: bytes 64K.
ANSCPU has been updated to ANSHCPU, and it has the following advantages.
16 bit dedicated microprocessor.
Large capacity battery backup memory RAM.
Extended I/O control capability.
Dedicated CC-Link instruction.
Capacity for extended comment storage.
PLC programming is a digital computing operation of the electronic system,
Designed for applications in industrial environments.
It uses programmable memory,
An instruction used to perform logical operations, sequence control, timing, counting and arrithmetic operations in its internal storage,
And through the digital, analog input and output, control of various types of machinery or production process A3ACPUP21 PID Control Instructions Manual A3ACPUP21 Programming Manual.
Programmable controlller and related equipment,
Should be easy to make the industrial control system to form a whole, easy to expand the principle design of its functions A3ACPUP21 PID Control Instructions Manual A3ACPUP21 Programming Manual.