VFD Trainer

Learn Siemens SINAMICS drives by doing, not by reading. This is a fully offline, hands-on simulator for the SINAMICS G120 family (CU250S-2 PN, CU240B-2/E-2) and S120 (CU320-2) Control Units — built for field electricians, technicians, and engineers who work with these drives every day. Why this app is different No manual-reading required. Every parameter, LED, and fault behaves like the real drive. Click things, drag sliders, run through real commissioning steps — and see exactly what the drive would show at each stage. What's inside • Full 8-step Commissioning Flow — from power-up and factory reset through motor data, encoder, digital I/O, network config, and test run • Interactive LED Status Indicators — pick a real-world scenario (fault active, safety triggered, communication lost, etc.) and see the exact LED pattern on the Control Unit • Fault Codes reference — 378 codes for the G120 "-2" family plus S120, searchable by code, keyword, or category, extracted directly from Siemens' official manuals • Parameter List — every parameter used in the guide, one searchable table, with category filters • "Drive Won't Run?" troubleshooting flowchart — an interactive decision tree that walks you to the likely cause based on what you actually observe • Multi-Control Unit support — switch between CU250S-2 PN, CU240B-2/E-2, and S120 and the whole app adjusts Built for real work, not just study This trainer is based on hands-on commissioning and troubleshooting experience on multi-block wire drawing capstan lines and other industrial drive applications — the scenarios and fault paths reflect what actually comes up on the shop floor. Available in three languages Switch instantly between English, Hindi (हिंदी), and Marathi (मराठी) — anywhere in the app, at any time. 100% offline and privacy-safe Nothing you do in this app is sent anywhere. No login, no ads, no internet connection needed, no data collected — works the same on your phone, tablet, or desktop. Who this is for Electrical maintenance technicians, ITI-qualified electricians, commissioning engineers, and anyone training on or troubleshooting Siemens SINAMICS drives in an industrial setting. Built by 2AG Enterprises.