This document provides the programming manual for Schneider Electric Altivar 31 variable speed drives for asynchronous motors. It includes information on factory configuration, software enhancements, basic functions, setup and recommendations, display and key functions, remote terminal option, programming, and function compatibility.
The Altivar 31 Programming Manual provides detailed guidance for configuring and programming Schneider Electric's variable speed drive for asynchronous motors. It includes safety warnings, step‑by‑step setup procedures, factory configuration defaults, software enhancements, and menu navigation for basic and advanced functions.
The document also describes how to adjust motor parameters, use the display and keys, and restore factory settings. It references related documents such as the Installation Guide and contains an index of parameter codes and functions for quick reference.
| Nominal frequency (bFr) | 50 Hz |
|---|---|
| Switching frequency | 4 kHz |
| Linear ramps (ACC, dEC) | 3 seconds |
| Low speed (LSP) | 0 Hz |
| High speed (HSP) | 50 Hz |
Use the FCS parameter in the drC‑, I‑O‑, CtL‑ and FUn‑ menus to restore the factory configuration.
Configure the nominal frequency (bFr) in the SEt‑ menu during the initial setup.