Here’s what more than 2,500 business decision-makers around the world say.Download the report
...with the Facility Hero app in hand! Discover how you can optimize your maintenance efforts today.Learn more
Access tailored services, 24/7 self-service and expert help. Anywhere, anytime, any project.Discover now
Everything you need to know about our IoT technology backbone.Learn more
Explore our global offerings or select your country from one of our five regions.Global
Découvrez nos offres globales ou sélectionnez votre pays dans l’une de nos cinq régions.
Goals and Symptoms
For ATV31H018M2A/N4A, 1. Can we disable the Potentiometer function once we completed the T&C. 2. Can you provide the harmonic data table for ATV31 which show the THD and 5th Harmonic level in % compare with fundamental (with or without line choke)
Causes and Fixes
On ATV31 it's possible to disable the keypad , menu I-O, tCC = 2C or 3C and for the speed reference there is more possibilities, keep the potentiometer or replace it by AI, menu CtL, Fr1 = AI1, AI2, AI3, AIP.
For the THD, you can calculate it with the first formula in the Attached document.
(Removed File URL: 160913_4E76/VVD_calcul_taux_d'harmoniques.zip)(Removed Image URL: /PubResEXPORT.nsf/2b87ee90be777fc085257c28006ee4ef/31e22860e90ffde405256e4e004ae623/fl_block_5/0.64E?OpenElement&FieldElemFormat=gif)