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PLC & Automation With Liam Bee

Learn Siemens TIA Portal, Allen Bradley, Schneider, Node-Red and More!

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Latest Posts

Centralising System Options With a PLC Configuration Block Why Refactoring After Testing Each System Leads to Better PLC Code Engage & Excel – Let’s Talk About Automation Workflow Creating Simulation Environments To Help Test Programs During Development PLC Analog Scaling
TIA Portal

TIA Portal – Reference Projects

December 21, 2022 Liam (Site Owner)

Unique Views: 4,292 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…

General

Guide To Getting Started With Git & Revision Management

December 11, 2022 Liam (Site Owner)

Unique Views: 2,678 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…

TIA Portal

TIA Portal – Defining Variables

November 22, 2022 Liam (Site Owner)

Unique Views: 4,770 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?…

TIA Portal

TIA Portal – Configuration Of OPC UA Server / Client Interfaces

October 30, 2022 Liam (Site Owner)

Unique Views: 6,566 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…

TIA Portal

TIA Portal – Communication with BSEND/BRCV

October 28, 2022 Liam (Site Owner)

Unique Views: 3,839 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…

TIA Portal

TIA Portal – Setting Up Put/Get

October 27, 2022 Liam (Site Owner)

Unique Views: 7,932 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…

Siemens TIA Portal

Siemens TIA Portal V17 – Firmware ≥2.9 & WinCC 7.5 SP2 – No Communication

October 27, 2022 Liam (Site Owner)

Unique Views: 5,778 Hi everyone, This is an informal post detailing some issues that I experienced yesterday with TIA Portal V17 and an S7-1515 PLC running firmware V2.9. I’d updated…

TIA Portal

TIA Portal – Startup OB

October 23, 2022 Liam (Site Owner)

Unique Views: 3,940 The Startup OB runs once, the first time the PLC changes from STOP to RUN. Once it has finished running, the PLC continues to run other OBs…

TIA Portal

TIA Portal – FIFO [First In, First Out]

October 23, 2022 Liam (Site Owner)

Unique Views: 10,822 A FIFO, or First In, First Out, is a great way of managing an array of values. By loading new data at the front and shuffling all…

TIA Portal

TIA Portal – Predefined Variables

October 21, 2022 Liam (Site Owner)

Unique Views: 2,961 Predefined Variables are a great way to populate interface data with regularly used information The video below teaches you the following: How to configure interface variables to…

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Submit To The Q&A Podcast!

Coming in 2026, a Q&A Podcast that is all things TIA Portal. Get involved and submit your questions about TIA!

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Latest YouTube Content

This weeks Q&A is a great question and I have a great little solution for it (if I may say so myself)

How can you check a set of data to see if anything has a value in it?

Flattening everything into a Buffer and then seeing if the Buffer value is larger than 0 is effectively what we're doing as a solution to this!

🧠 Got a question for next week’s episode?
Drop it in the comments or connect with me on LinkedIn (https://linkedin.com/in/liambee)

#AlwaysLearning #TIAPortal #Siemens #PLC #Automation #plctraining #IndustrialAutomation
Siemens TIA Portal - Q&A Weekly With Liam Bee - #2 - How To Check For "Any" Data
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Latest Tip

In Asset Oriented Programming, UDTs define common In Asset Oriented Programming, UDTs define common structure across an asset class. This ensures consistency, predictable memory layout, and reusable logic. However, not every instrument of the same type serves the same functional role in the process.

When engineers try to solve unique requirements by expanding the UDT, they unintentionally force all assets of that type to carry unused data. This increases complexity and introduces unnecessary reinitialization risk when changes are made.

Bespoke data avoids this problem by living under the specific asset instance. The base asset remains standard, while unique behavior is layered on only where required. This separation preserves both reuse and flexibility.

Watch more about this in the AOP Course on YouTube: https://www.youtube.com/watch?v=yy2GgAv84wk

#AlwaysLearning #Siemens #TIAPortal #Automation #PLC #HMI #DoAndGrow

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PLC & Automation With Liam Bee

Learn Siemens TIA Portal, Allen Bradley, Schneider, Node-Red and More!

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