ABB EQmatic - General Modbus RTU;RS-485 Information

ABB EQmatic
Planning and application
100 2CDC512090D0202 | QA/S x.yy.1
4.2 General Modbus RTU/RS-485 information
This chapter describes the basics of planning and installing Modbus systems.
You will find further information in the Modbus documentation/specification:
• www.modbus.org