#electrical engineering technology

Big manufacturers needed machines and equipment to make the production line very productive. Owners will look for the best machines that will make the work and production be easy and to handle well. Programmable Logic Controller was invented to work with the help of human machine interface computer and to make jobs in terms of programs and data easily. Let us know about more PLC.

Programmable Logic Controller

What is a PLC? It is a unit with processors to control the action on the data field. As the name itself, its main function is to control manufacturing processes like robotic devices or anything that needs high reliability control. PLC’s can be a small modular devices or a large rack mounted modular devices, the size will give different uses and purposes, it can be an analog or digital type. PLC was started in the USA.

Components

Like the ordinary personal computers, it has components that are vital for its processing. The PLC’s main component is the CPU (Central Processing Unit) which regulates its data and program. Like in personal computers CPU is the main processors of data that essential to PLC programming. Input and output modules which tells the CPU the accurate status of the field devices. Programming device a computer with lots of software programs which make the user to create, make changes and transfer to the software. Like any devices memory is also needed for storage purposes, this where the data and software is in store.  Each component is needed for PLC to function well, if it is incomplete or some won’t function then PLC will have a problem in processing.

Uses of PLC

PLC are very useful in many industry applications because it can do so many things. Among these things are: it can have worked with a human machine interface, trouble-shooting are now easily to be done, it is flexible in modifying the control logic in short span of time, it responds quickly in changes, it can be used for counting, calculating. It also improves the reliability of overall control system and it can perform switching tasks. This unit will help lots of productions, industry and businesses to operates well especially who uses SCADA System device.

PLC Programming

In programming the PLC, there are two components the Operating system and the user program. Software to be use organizes, operates and sequences of the CPU. The user program is required to process an automated task and this is created by the user. Aside from the user and the software, programming devices are needed to enter, modify and troubleshoot the PLC program.