ATV600 Modbus Serial link manual (Embedded)

This document provides detailed information for the Altivar Process Variable Speed Drives regarding the embedded Modbus Serial Link functionality. It covers hardware overview, connection procedures, electrical installation requirements, and cable routing practices. The guide explains the CIA402 operating state diagram, control and status word configurations, and supported Modbus functions including Read Holding Registers, Write Multiple Registers, and Diagnostics. It includes software setup instructions for configuring communication parameters such as Modbus address, baud rate, format, and timeout settings. The document details the communication scanner configuration for input and output addresses, and provides guidance on fieldbus integration using Unity. Operating modes including I/O profile and CIA 402 profile in combined and separate modes are explained. Diagnostics and troubleshooting procedures include LED status indicators, connection verification, and communication interruption handling for effective system monitoring and maintenance. Note: AI-generated document summary. Please check the original document for detailed information.