How to learn PLC, 5 tips for beginners - here

PLC programmable logic controller, it USES a programmable memory, used for its internal storage procedures, to perform the logic operation, sequence control, timing, counting and arithmetic operations such as user-oriented instructions, and through the digital or analog input/output control various types of machinery or production process.

why learn PLC?

use industrial robot is a complicated system engineering, a robot workstation, in addition to the body also needs to peripheral equipment, such as jig, conveyor belt, displacement of welding machine, mobile guide rail and so on, these roles are how to cooperate with each other, need of PLC to coordinate, the need for a device similar to the PLC controller as a control platform, give you write a program, a similar to the touch screen man-machine interface to call the shots.

bring about PLC control the whole production line coordination for each station

A conveyor production line, we assume that the A, B, C three position has three industrial robot workstation, on behalf of the three points need to be three kinds of process operation, PLC control first conveyor belt movement, the workpiece to station A, location of A position sensor to detect the workpiece in place, to send signals to PLC, PLC receives the input signal, and the location of A comprehensive other external signal judgment robot can start to work, by PLC output sends A signal to the robot A: ya you can start working, hurriedly. After I finished my work A robot, and then feedback: A complete signal to PLC brother my job done, you continue. PLC accept the signal after continue to start the motor control conveyor belt artifacts carried location B, repeat the above process logic.

unlike robots, PLC automation application scope is very broad, up to the high speed rail, subway and other important means of transport, down to the household electrical appliances switch, as long as good to write a program in advance, can let the machine automatic operation, the effect of on time and ensure efficiency.

industrial robot and PLC's biggest difference is that robots do a lot of time is the standardization of production, batch, repetitive tedious work is the strength of the industrial robot, such as glue, handling, welding, etc.

PLC automation are less standardized production, a lot of relatively broad application, and practicality is very strong in Chinese enterprises. From at present most of China's enterprises, the PLC technology engineering had settled in most of China's enterprise, at the same time on the strength of the industrial robot close relationship between PLC and between PLC and industrial robots will only become more and more close!

so, how to learn PLC, here give beginners 5 tips:

1. Develop good interest

now that have no interest in PLC programming, that how can learn? So you can use programming as an interesting intellectual games, and this will prompt you enough perseverance patience to complete programming.

2。 + PLC study pays attention to practice and theory field effect is good

when programming with PLC plus related hardware equipment as an object of practice can also when the test program so intuitive response action program and the actual equipment situation, so that the equipment movement error can easily find out the fault point, or no control object, the fault point difficulty analysis, the program can be hard to gauge correctly or not.

3。 Form the habit of programming

when writing a complex project, we need to analyze the process of project - - - - - - - - - - - - - - - - - - - Which draw flowcharts

when programming, the use of intermediate relay should have order and rules, otherwise the programming very disorder, and in the later program modification and its trouble. At the same time, in the process of programming, the role of every step, every signal and intention of annotation, so you know you're programming every step of the intention, and also be clear at a glance when back to the program.

4。 Often communicate with counterparts

the application of PLC controller and widely, its control function also is protean, communication with peers can promote the expansion of knowledge, and in the communication process can reflect their own shortcomings. When you encounter problems at the same time, communication is particularly important, they don't understand the technology, may be someone as long as a little hint, will become very simple can solve

5. The best way to learn is to participate in the training, the second is through the network self-study

can through the network to understand related technology, so that we can with all sorts of technology, we study targeting for later use.

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