Input and output points: 512 points.
Input / output data points: 512 points.
Program capacity: 14K.
Basic command processing speed (LD command) s:0.20.
Optical data communication line.
Each scanning process. Focus on the input signal sampling. Focus on the output signal to refresh.
Input refresh process A1SJ71QLP21S datasheet PDF catalog A1SJ71QLP21S PDF datasheet. 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 A1SJ71QLP21S
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 A1SJ71QLP21S datasheet PDF catalog A1SJ71QLP21S PDF datasheet.
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 A1SJ71QLP21S datasheet PDF catalog A1SJ71QLP21S PDF datasheet.
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. DC input points: 4 points.
Input voltage and current: 7mA, DC24V.
Input response time: 10ms.
4 point /1 a public side.
Positive / negative sharing.
Output points: 4 points.
Output voltage and current: DC24V/AC240V, 2A/1 point, 8A/1 common end.
Output response time: 12ms.
4 point /1 a public side.
Output form: relay.
24 point terminal station.
MITSUBISHI PLC protection and chain procedures.
Protection and chain is an indispensable part of the program, must be carefully considered.
It can avoid the control logic confusion caused by illegal operations.
MITSUBISHI PLC initialization procedure. After MITSUBISHI PLC on power, the general need to do some of the initial operation,
In order to start making necessary preparations, to avoid the wrong operation of the system.
The main contents of the initialization program are: to some data area, counter and so on,
Data needed to restore some of the data area,
Set or reset some relays,
For some initial state display, etc..
MITSUBISHI PLC program simulation debugging
The basic idea of prograam simulation debugging is,
In order to facilitate the form of simulation to generate the actual state of the scene,
Create the necessary environmental conditions for the operation of thee program A1SJ71QLP21S datasheet PDF catalog A1SJ71QLP21S PDF datasheet A1SJ71QLP21S datasheet PDF catalog A1SJ71QLP21S PDF datasheet.
Depending on the way the field signals are generated,
The simulation debugging has two forms of hardware simulation and software simulation.