If your PLC is broken, we can help you. We troubleshoot and repair PLCs daily, and have over 35 years of experience in the field.
You can either send your PLC to us or we can drive out to your company and repair it.
We also have programming software for several brands of PLCs, so we can access your PLC. In that way, we can see the status of inputs, outputs and the program.
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We have a large selection of PLCs from many brands: Allen-Bradley, Siemens, Schneider Electric, Bosch, Schleicher, Omron and many more.
We can supply the latest models on the market, but we are also specialists in obtaining discontinued PLCs for older machines. We can deliver most things.
Contact us and find out more.
What is a PLC and how does it work? You will get the answer in this basic article. A PLC (Programmable Logic Controller) is a specialized computer used for controlling and automating of industrial processes. It acts as the brain of automation systems and can be programmed to perform a variety of tasks, from simple control functions to complex automation scenarios.
PLCs vary from small simple PLCs with, for example, eight inputs and four outputs. They can be obtained from a few thousand DKK, to larger PLCs, which are built in modules that can be expanded indefinitely and control complex process plants. They can easily cost DKK 50-60,000.
A PLC can also be built into a frequency converter as, for example, the brand Peter Electronic does. If you need to be able to log data and see trend curves on large process plants, you typically use a SCADA plant.
PLCs typically consist of a processor, input and output modules, and its memory. Input modules register signals from sensors, while output modules control actuators or other devices. The processor processes the programming logic and controls the inputs and outputs accordingly. PLCs are programmed using different programming languages where "ladder" is the easiest one to learn.
An example of a simple program to start/stop a conveyor belt could be:
PLCs are used in a wide range of industries such as manufacturing facilities, energy supply, transportation and more. Their versatility makes them ideal for automating processes. The advantages of PLC technology are fast and reliable control, easy modification of the program without hardware changes, and the ability to monitor and diagnose the state of the system in real time. As mentioned above, PLCs can be obtained from small compact units to modular units which can be expanded "infinitely".
For large process plants, where there is a need to be able to see historical data and display trend curves, SCADA plants are often more flexible, but also much more extensive to program.
Did you get an answer to what a PLC is? You can read more about the history of the PLC on Wikipedia.
Should you buy a PLC for your company? At PRO-CONSULT, we guide you to purchase the right one PLC. PRO-CONSULT has 35 years of experience with industrial electronics, and are experts in, among other things, PLCs.
PLC stands for Programmable Logic Controller and is a computer unit that was invented in 1968. It is a control unit for machines and plants, and in short consists of inputs and outputs. It receives signals through inputs and then activates outputs based on which inputs it has received.
In 1968, the car manufacturer General Motors wanted a new control unit for cars. Therefore, General Motors made a tender with the requirements they had for the control unit. Bedford Associates therefore invented the PLC, which met the needs of a control unit at General Motors.
Today there is a large selection of PLCs in different looks and sizes from different manufacturers, e.g Allen-Bradley and Schneider, and the component is used in virtually all large plants and machines.
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We are local experts in industrial electronics. Through our departments in Viby Sjælland, Vejle and Padborg, we cover Denmark and other countries.
