Michael Grollmus

Michael Grollmus

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Siemens SIMATIC and industrial automation expert focusing on Industry 4.0 and OT security.

SIMATIC AX Enhances, Not Replaces, Traditional TIA Portal
SocialMay 7, 2026

SIMATIC AX Enhances, Not Replaces, Traditional TIA Portal

I thought I knew Siemens PLC engineering really well. And then SIMATIC AX showed up. 👀 At Hannover Messe, I took a closer look at Siemens Industry SIMATIC AX. S7 1200 and S7 1500 engineering suddenly feels much more IT...

By Michael Grollmus
Transparency Over Sponsorship: I Test, Not Represent Siemens
SocialMay 5, 2026

Transparency Over Sponsorship: I Test, Not Represent Siemens

Do I actually work for Siemens? 🤔 I’ve been asked this question quite a lot recently. 👉 The short answer: No. I do not work for Siemens Industry and I am not paid to showcase their products. Here’s what I...

By Michael Grollmus
Practical OT Security: Hands‑On Training Over Theory
SocialMay 4, 2026

Practical OT Security: Hands‑On Training Over Theory

OT cybersecurity is being sold the wrong way right now. ⚠️ Too much theory. Too many tools. Too little real value. This week I had the chance to run another training on my favorite topic 🔐 My focus: 👉 understand...

By Michael Grollmus
Full Valve Diagnostics in TIA Portal, No Extra Tools
SocialMay 3, 2026

Full Valve Diagnostics in TIA Portal, No Extra Tools

🚀 Full transparency for your valve terminals directly in TIA Portal In my new video, I show how easy it is to integrate valve terminals from Bürkert Fluid Control Systems into your Siemens ET200SP. 💡 The result: You get full...

By Michael Grollmus
OT Security Hinges on Asset Visibility, Not Technology
SocialApr 30, 2026

OT Security Hinges on Asset Visibility, Not Technology

Your biggest OT vulnerability isn’t technology… it’s lack of visibility. 🔍 Many systems run stable …until a vulnerability suddenly hits. This is exactly where the Siemens Industry SINEC Security Guard comes in: 👉 Central asset visibility 👉 Continuous vulnerability management...

By Michael Grollmus
5G Enables Reliable Data Backbone for Industrial AI
SocialApr 29, 2026

5G Enables Reliable Data Backbone for Industrial AI

We talk a lot about AI and humanoid robots in industry. But what about the infrastructure for the data? 📡 At Hannover Messe, I took a closer look at the 5G solution from Siemens Industry . It enables private, interference...

By Michael Grollmus
AI Agent Seamlessly Integrates Into TIA Portal Workflow
SocialApr 28, 2026

AI Agent Seamlessly Integrates Into TIA Portal Workflow

🚀 The AI Agent for TIA Portal is now live – and this could change engineering. At Hannover Messe, I took a closer look at the new Engineering Agent from Siemens together with Christian Fischer and Stefan Obst 👀 💡...

By Michael Grollmus
Face‑to‑Face Trade Fairs Spark Trust and Innovation
SocialApr 27, 2026

Face‑to‑Face Trade Fairs Spark Trust and Innovation

The most valuable conversations don’t happen in meetings… they happen at trade fairs 🤝 This was my first time at Hannover Messe and it was absolutely worth it. 👉 For me, the biggest value comes from people Real conversations Personal...

By Michael Grollmus
Agent‑Based AI Copilot Turns TIA Portal Into Colleague
SocialApr 21, 2026

Agent‑Based AI Copilot Turns TIA Portal Into Colleague

“AI in TIA Portal? Sounds promising… but does it really add value in daily engineering?” 🤔 Siemens Industry recently shared insights into the new Engineering Copilot TIA. And yes: our feedback at GROLLMUS as beta testers was part of it....

By Michael Grollmus
Turn Legacy S7‑300 Into IoT‑Ready Data Hub
SocialApr 19, 2026

Turn Legacy S7‑300 Into IoT‑Ready Data Hub

🚨 Your S7-300 doesn’t speak IoT? Time to change that. Many existing machines generate valuable data – but it stays invisible. That’s exactly where this comes in 👇 In my new video, I show you how to make data from...

By Michael Grollmus
Never Accept Active PLC Errors as Normal
SocialApr 17, 2026

Never Accept Active PLC Errors as Normal

If your PLC is flashing red, it’s not a feature… it’s a problem. 🚨 My first look at a customer site is always the control cabinet. And straight to the PLC status LEDs. If it’s flashing red and shows an...

By Michael Grollmus
Innovation Thrives in Quiet, Hands‑On Exploration
SocialApr 15, 2026

Innovation Thrives in Quiet, Hands‑On Exploration

A typical Wednesday evening. Silence at home. And then: tech. 💡 Siemens TIA Portal open, the Siemens ET200MP in action testing a special output module with pulse width modulation driving an LED strip 🔧 And of course… some chocolate for...

By Michael Grollmus
IO-Link Unites Vendors for Seamless, Faster Automation
SocialApr 14, 2026

IO-Link Unites Vendors for Seamless, Faster Automation

🚀 This week I delivered another IO Link training and one thing stands out every time: The diversity of vendors just works together. Devices from ifm , Balluff EMEA , Murrelektronik , Siemens Industry and TURCK integrate seamlessly thanks to...

By Michael Grollmus
Precise Prompts Unlock LLMs, but Engineers Remain Essential
SocialApr 1, 2026

Precise Prompts Unlock LLMs, but Engineers Remain Essential

Which LLM writes the best automation code? 🤖⚙️ I tested different large language models side by side with one clear goal: generate code for industrial automation 🧪 Setup: Same task Same conditions Different models 🔍 Tested models included: 👉 ChatGPT...

By Michael Grollmus
AI Accelerates Modbus Tool Development for Training
SocialMar 19, 2026

AI Accelerates Modbus Tool Development for Training

Understand Modbus without real hardware? That is exactly why we built our own tools with AI for our training courses. 🤖 For practical exercises we needed a web based Modbus simulator and an additional Modbus server as an EXE. Instead...

By Michael Grollmus
Start Using CM Modules Now to Future‑Proof PCS NEO
SocialMar 6, 2026

Start Using CM Modules Now to Future‑Proof PCS NEO

🚨 Time is running: PCS NEO is coming – are you prepared? With the successor of PCS 7, Siemens Digital Industries Software is introducing a new generation of process automation. PCS 7 will still be supported for years. But: If...

By Michael Grollmus
Future Drive Success Demands Broader, Deeper Technical Knowledge
SocialMar 4, 2026

Future Drive Success Demands Broader, Deeper Technical Knowledge

Drives are becoming more complex. And knowledge is turning into a key success factor. 🚀 Today we had an intensive exchange at GROLLMUS with Danfoss about training and future skill requirements. Marco de Jong and Mieslinger Christian joined us to...

By Michael Grollmus
500K Views: Sharing Practical Automation Knowledge
SocialMar 2, 2026

500K Views: Sharing Practical Automation Knowledge

500.000 views 🎉 and I am truly overwhelmed. Thank you for every single view, comment and message 🙌 You can find the channel here 👉 https://lnkd.in/e_isrBGj I am incredibly happy that my videos reach so many people and help you...

By Michael Grollmus
70 Questions Reveal STEP 7’s Top Engineering Pain Points
SocialFeb 24, 2026

70 Questions Reveal STEP 7’s Top Engineering Pain Points

Almost 70 questions for the STEP 7 Product Manager – this is going to be good. 🔥 We asked you what you’ve always wanted to ask the STEP 7 Product Manager in the TIA Portal. And you delivered: nearly 70...

By Michael Grollmus
Essential Steps and Pitfalls for STEP 7 Classic Migration
SocialFeb 22, 2026

Essential Steps and Pitfalls for STEP 7 Classic Migration

Planning to migrate a STEP 7 Classic project to TIA Portal and wondering what really matters? In my new video, I walk you through the key steps and the typical pitfalls of a structured migration from STEP 7 Classic to...

By Michael Grollmus
Siemens' OT Security Needs Centralized Certificate Management
SocialFeb 18, 2026

Siemens' OT Security Needs Centralized Certificate Management

With the TIA Portal and platforms like WinCC Unified, Siemens Industry is clearly strengthening its security capabilities. ✔️ Encrypted communication ✔️ Certificate-based authentication ✔️ Hardened PLCs, HMIs and drives Technically strong. No doubt. But let’s be honest: Where is the...

By Michael Grollmus
Shared Knowledge Multiplies Value in Industrial Collaboration
SocialFeb 16, 2026

Shared Knowledge Multiplies Value in Industrial Collaboration

What truly defines great collaboration? 👉 Sharing knowledge. That’s exactly what we live in our cooperation between Indu-Sol GmbH and GROLLMUS . 🔌 Indu-Sol contributes deep expertise in industrial communication and fieldbus systems like PROFINET and PROFIBUS. 🧠 At Grollmus,...

By Michael Grollmus
Controlled Drives Are Redefining Industrial Automation Standards
SocialFeb 15, 2026

Controlled Drives Are Redefining Industrial Automation Standards

🚀 Motion Control is becoming a key technology in industry. And many underestimate how fast things are changing. In my new video, Omar and I discuss why controlled drive systems are dominating more and more applications. ⚙️ Why traditional contactor...

By Michael Grollmus
Ask Your Burning TIA Portal STEP 7 Questions
SocialJan 28, 2026

Ask Your Burning TIA Portal STEP 7 Questions

You work with Siemens TIA Portal – and there’s a question you always wanted to ask? 🤔⚙️ Now is your moment. I’m collecting your questions for an interview with Christian Fischer , Product Manager for STEP 7 in the Siemens...

By Michael Grollmus
Get Real Drive Data Instantly via OPC UA
SocialJan 26, 2026

Get Real Drive Data Instantly via OPC UA

🎥 OPC UA instead of guesswork – access real drive data Everyone talks about data – but how do you actually access process data from modern drives? In my new video, I show you hands-on how to easily access process...

By Michael Grollmus
VLAN Segmentation Stabilizes OT Networks and Boosts Cybersecurity
SocialJan 18, 2026

VLAN Segmentation Stabilizes OT Networks and Boosts Cybersecurity

🎥 Stable & secure OT networks – structured with VLANs OT networks tend to grow over time. More devices, more traffic – and suddenly PROFINET becomes unstable. ⚠️ In my new YouTube video, I take a hands-on look at why...

By Michael Grollmus
Digitalize Factories Now to Enable Humanoid Robots
SocialJan 16, 2026

Digitalize Factories Now to Enable Humanoid Robots

🤖 The future of factories doesn’t start tomorrow – it starts now. Humanoid robots are coming to industrial production. Not as demos, but as real contributors on the shop floor. 🔑 The key factor: access to data. A robot becomes...

By Michael Grollmus
Automation: Quietly Transforming Safety, Efficiency, and Sustainability
SocialJan 14, 2026

Automation: Quietly Transforming Safety, Efficiency, and Sustainability

Why I love industrial automation ❤️ Yes, as an engineer I enjoy the technology itself. But what truly drives me: 👉 Automation improves people’s lives – every single day. Industrial automation works quietly in the background, yet it shapes our...

By Michael Grollmus
Choose OT Firewall by Risk, Not Features
SocialJan 13, 2026

Choose OT Firewall by Risk, Not Features

Which firewall really makes sense in OT? 🔥 “We already have a firewall.” The real question is: does it match your risk? 🔹 Stateless firewall (Layer 3/4) ✔ simple, high performance ⚠ no context, no content awareness 👉 Suitable for...

By Michael Grollmus
AI Empowers PLC Engineers, Shifts Skills to System Thinking
SocialJan 9, 2026

AI Empowers PLC Engineers, Shifts Skills to System Thinking

🚀 Will AI replace PLC programmers – or make them more powerful than ever? 👉 As one of the beta testers for the TIA Portal Copilot, I’ve already gained deep hands-on experience. It gave me very clear insights into how...

By Michael Grollmus