Author: Liam (Site Owner)

UDTs are one of the most important aspects to PLC programming you can learn. This is because they inherently force structure, and structure is good! Like many PLC development environments,…

The BLKMOV and AT constructors can be used to manage moving data from one data type to another. This can be useful if you are managing buffered data, or data…

A post went out on Linkedin describing some code and a question along side it. The post is embedded below – Or you can visit it here if you can’t…

Ever needed to know which version of TIA Portal you need to perform an Upload from a PLC and you don’t have the original project? If you are seeing a…

TIA portal offers a great alternative to opening multiple instances of TIA to reference another project… What Is A Reference Project? It’s exactly as it sounds! A reference project is…

Git is a revision control and management tool that helps developers keep track of changes in a development environment. It can also be used to create development branches, manage releases,…

It’s no secret that you have to define variables in a block in order to assign values to them, but how do you go about doing that? There are two…

OPC UA is built in to most S7-1500 PLCs, especially those with the latest firmware. Siemens have the “Standard Simatic Interface”, but you can create your own and restrict access…

Communication between CPU’s can be done in different ways, we’ve already covered Put/Get. BSEND/BRCV gives you a little more control over when you want to receive information and when the…

Put/Get communication is very common in TIA Portal applications where more than 1 Siemens PLC is involved. It’s simple to set up, easy to work with and uses the S7…