PLC Engineering Resources
PLC Engineering Blog
Guides, tutorials, and resources for Allen-Bradley automation engineers.
2026-04-05
How Much Does It Cost to Train a Machine Operator?
Training a new machine operator costs $5,000–$15,000 when you add up trainer time, ramp-up losses, and documentation. Learn how to cut that cost with auto-generated training from your PLC program.
2026-04-05
How to Compare Two Allen-Bradley PLC Programs
Studio 5000 has no built-in diff tool. Learn how to compare ACD and L5X files side-by-side to find unauthorized changes, validate migrations, and support change audits.
2026-04-05
PLC Tag Naming Conventions: ISA, IEC 61131-3, and Allen-Bradley Standards
ISA-5.1, IEC 61131-3, and Studio 5000 tag naming best practices explained. Audit your entire project automatically with plc.company.
2026-04-05
What Is an MER File? FactoryTalk View ME Projects Explained
An MER file is a compiled FactoryTalk View ME HMI project deployed to PanelView terminals. Learn what they contain and how to open them without FactoryTalk View Studio.
2026-04-05
Allen-Bradley SLC 500 Programming: RSLogix 500 and Modern Alternatives
The SLC 500 uses file-based addressing and RSLogix 500 software. Learn how SLC 500 programs work and how to view RSS files without a software license.
2026-04-05
How to Read Ladder Logic: A Complete Guide
Step-by-step guide to understanding Allen-Bradley ladder logic diagrams, rungs, contacts, coils, and common instructions.
2026-04-05
RSLogix 500 vs Studio 5000: What's the Difference?
RSLogix 500 programs SLC 500 and MicroLogix. Studio 5000 programs ControlLogix and CompactLogix. Here's when to use each.
2026-04-05
Allen-Bradley PLC Training: Free Resources for Beginners
A practical guide to learning Allen-Bradley PLC programming — free tools, the right order to learn, and common beginner mistakes.
2026-04-05
What Is Ladder Logic? Plain-English Explanation
Ladder logic is the most common PLC programming language. Here's how it works, why it looks the way it does, and how to read it.