Programming Languages Archives

Sequence programming in C/C++ part 2: Memories

Last time I showed you how to program a sequence that is progressed by increasing a counter variable (Part 1), when a condition is fulfilled we increase the counter variable by one to progress the sequence. A similar type of sequence programming is to use memories instead of a counter so that each memory represents […]

Sequence programming in C/C++ Part 1:Counter

Introduction A sequence is a series of predefined actions with clear conditions for transitioning between each other and since it is predetermined it also has a beginning and an end. Sometimes a sequence is in a loop that repeats itself and in those cases it can be hard to see where it starts and ends […]

What is a PLC or Programmable Logic Controller?

Introduction PLC:s are a form of industrial control hardware that is very rugged in its construction. PLC:s are used to control everything from small packing machines to complete assembly lines in every imaginable industry. There is a sister category of controllers that are called RTU:s, which stands for Remote Terminal Unit. RTU:s are very similar […]