10INM MTL83xC PC Modbus Rev 1DRAFT - 06 January 20195 2 The MTL838C TabThe items on this tab allow you to configure the MTL838C. Some of theseparameters affect the entire system – others only specific aspects of the MTL838C.We will cover them in detail below:5 2 1 Communication ProtocolTwo communication protocols for the RS485 Links are supported by the MTL838C.This manual only covers Modbus. The protocol is selected by using the dropdown.Make sure the Modbus protocol is selected and programmed into the unit. This isthe default value for this field.5 2 2 Data FormatSeveral different formats for the data in the Modbus Registers are supported bythe MTL838C. The list is indicated below. Select the format desired with thedropdown. Note that changing the Data Format results in several parametersbeing reset to their defaults on the MTL831 tabs. Further details on the Modbusimplementation may be found in the document INM838C-MBF. The default DataFormat is IEEE floating point.