Modbus

Modbus

Applications:

  • Multiple master-slave applications
  • Sensors and instruments
  • Industrial networking
  • Building and infrastructure
  • Transportation and energy applications

 

The Modbus is a software library that can be operated physically on the RS-485 and RS-232 modules.

  • Data area: Up to 255 bytes per job
  • Interface: Layer 7 of the ISO-OSI reference model
  • Connector: DB9 (RS-485 / RS-232 modules)
  • Number of possible connections: up to 32 in multi point systems
  • Frame format: RTU