ATV305 Modbus manual

This document provides instructions for implementing Modbus communication with the Altivar ATV305 variable speed drives for asynchronous and synchronous motors. It covers RS485 bus connection using RJ45 or terminal blocks, configuration of communication parameters including address, baud rate, format and timeout settings, and IO Scanner configuration for data exchange. The manual details supported Modbus functions including Read Holding Registers, Write Multiple Registers, and Read Device Identification. It explains the drive operating states based on IEC 61800-7 standard, command and status word descriptions, and includes practical software setup examples using Schneider Electric MachineExpert with M241 PLC. The document contains wiring diagrams, DIP switch settings, protection against interference guidelines, and communication scanner configuration for seamless integration into industrial automation systems. Note: AI-generated document summary. Please check the original document for detailed information.