Modbus is the most popular protocol used in the Automation industry. Modbus Displays have built in Modbus protocol. They are available as Modbus Master or Modbus slave. Typically these are working on Modbus RTU protocol. Baudrate and Modbus device address are programmable. Display supports 3, 6 and 16 functions and integer and floating point numbers. Displays are available in 4 to 8 digits and from sizes 0.5 inches to 12 inches. Modbus Alphanumeric displays are also available to show a message in numeric as well as text format.