OT Lexicon: Industrial Network
PLC, Profinet & Diagnostics
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Profinet, OPC UA, Modbus, VLANs and more, explained simply – with everyday comparisons, diagrams and quiz questions. Built for electricians and technicians.
OT Lexicon explains industrial networks and operational technology in a clear, practical way. Learn IP addresses, gateways, VLANs, Profinet, OPC UA, Modbus, ports, subnet masks, DNS, NTP, fiber optics and many more OT fundamentals.
Built for electricians, technicians and OT beginners, the app turns complex network terms into simple explanations, everyday comparisons, diagrams, practical plant examples and quiz questions.
Premium unlocks knowledge checks, custom company terms, plant examples, favorite notes and a practical port and protocol overview. Ideal for quick reference in the workshop, during commissioning or while troubleshooting industrial systems.
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New in version 1.2:
• New premium Diagnostics & Practice section
• Clear guidance for attenuation, Rx/Tx, CRC, packet loss, latency and jitter
• Cable tester assistant for opens, shorts, reversed wires, split pairs and shielding faults
• New practical knowledge about M12 coding, Industrial Ethernet, NAT, routing and firewalls
• MRP, RSTP, PRP and HSR redundancy plus managed-switch diagnostics
• SFPs, wavelengths, link budgets, PoE classes and power planning
• EMC, shielding, equipotential bonding, network topologies and switch backups
• Illustrated T568A and T568B RJ45 wiring
• Navigation and stability improvements
The developer, Dominik Gausmann, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Dominik Gausmann
- Size
- 10 MB
- Category
- Reference
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 26.5 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
English and 4 more
- English, French, German, Polish, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- OT Lexicon Premium $3.99
- Copyright
- ©DMNK Digital