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【施耐德 Schneider 目录和宣传册】ATV12 Modbus通讯手册 PDF

ATV12_Modbus_EN_V1-CN.pdf

• Important Information
• Before you begin
• Documentation structure
  • User manual
  • Simplified manual
  • Quick Start sheet
  • Modbus Communication manual
  • ATV12P manual
  • ATV12 Parameters description file
• Presentation
• Connection to RS485 bus
  • Connection to ATV12
  • Protection against interference
  • RS485 bus schematic
• Configuration of the Modbus serial port
  • Communication Menu Structure
  • Communication configuration - Parameters decription
• IO Scanner configuration parameters
  • Integrated communication scanner
  • Local configuration of the communication scanner
  • Monitoring the communication scanner
  • Configuration example
• Modbus Functions
  • Modbus Protocol
  • Principle
  • Addresses
  • Supported Modbus functions
  • Read Holding registers
  • Write one output word
  • Read/write Multiple registers
  • Read Device Identification
  • Error management
• ATV12 state machine
  • Status chart based on IEC 61800-7*
  • State machine description
  • Summary
  • Command word description CMD - 8501
  • Status word description ETA - 3201
• Application example
  • Connecting an ATV12 to a M340 PLC
  • Configuration of the Modbus Master
  • Initialization
  • Cyclical exchanges
• Connection to RS485 bus
  • Standard schematic