Chapter 4. Initial Setup and Programming62 AquaTrans™ AT600 User’s Manual4.6.4.1 ModbusSelecting the Baud RateTo set up Modbus, select Digital Comm on the Input/Output screen and press[]. The following screen opens.Press [] again, and a screen similar to the following opens.To set the baud rate, select Baud Rate and press []. A screen similar tothe following opens.The default baud rate is 115200. To change the default, select the desiredbaud rate and press [] to return to the previous screen.Input/OutputDigital Output BDigital Output CModbus/Service PortDigital CommDigital CommMODBUSMODBUSBaud RateAddressBits/ParityStop BitsBaud Rate192003840057600115200