This user guide provides detailed instructions for installing, configuring, and operating the BACnet communication card (VW3 A3 319) with Altivar 61 drives. The manual covers hardware setup, network connection, communication parameters configuration, control options, diagnostics, and network objects. It includes information on communication scanner functionality, fault handling, and monitoring capabilities. The guide is designed for qualified personnel responsible for integrating Altivar 61 drives into BACnet networks for industrial automation applications. AI-assisted summary (Full document authored and validated by Schneider Electric experts).