Learn SIEMENS-S7-SIMULATION with Real Code Examples
Updated Nov 27, 2025
Learning Path
Learn basics of S7 PLC programming (LAD/FBD/STL)
Understand TIA Portal project structure and blocks
Practice offline simulation using PLCSIM
Integrate HMI and test interactions
Advance to multi-PLC and SCADA simulations
Skill Improvement Plan
Week 1: Simple ladder logic simulation
Week 2: Data block and FC/FB simulation
Week 3: HMI integration testing
Week 4: Multi-PLC communication and network simulation
Week 5: Full process simulation and performance validation
Interview Questions
What is PLCSIM and why is it used?
How do you simulate HMI interactions with a virtual PLC?
Explain the difference between online and offline simulation in TIA Portal.
How do you debug a multi-block PLC program in simulation?
What are limitations of Siemens S7 simulation compared to real hardware?
Cheat Sheet
OB1 -> main cyclic program block
FC/FB -> function/function block
DB -> data block for storing variables
PLCSIM -> Siemens S7 virtual PLC runtime
Watch Table -> monitor variables and I/O states
Books
Automating with SIMATIC S7
TIA Portal Step by Step
PLCSIM Advanced: Practical Guide
Siemens PLC Programming and Simulation
Industrial Automation with S7 PLCs
Tutorials
TIA Portal Basics and Project Setup
Creating and Simulating S7 PLC Programs
HMI Integration with Virtual PLC
Multi-PLC Network Simulation
Advanced PLCSIM Debugging Techniques
Official Docs
https://support.industry.siemens.com
https://new.siemens.com/global/en/products/automation/systems/industrial/plc.html
https://plcportal.siemens.com
Community Links
Siemens Industry Online Support
LinkedIn Siemens automation groups
Reddit industrial automation forums
Siemens TIA Portal community
Professional PLC training and workshops
Community Support
Siemens Industry Online Support
Siemens TIA Portal forums
LinkedIn Siemens automation groups
Reddit industrial automation communities
Technical webinars and Siemens training sessions