11INM MTL83xC PC Modbus Rev 1DRAFT - 06 January 20195 2 3 Tag NameThis field is user defined. When properly filled in it may be used to identifythis particular MTL838C in the plant. It is available via the Modbus interface aswell. Up to 24 alphanumeric characters may be entered in this field. The fieldis blank by default.5 2 4 RS485 Link 1 AddressThe Modbus address for Link 1 is selected or entered in this field. Use the up ordown arrows to increment or decrement the number, or type in the desired number.Valid entries are in the range 1 through 255 and the default value is 1.5 2 5 RS485 Link 2 AddressThe Modbus address for Link 2 is selected or entered in this field. Use the up ordown arrows to increment or decrement the number, or type in the desired number.Valid entries are in the range 1 through 255 and the default value is 2.5 2 6 Transmitters ConnectedThis pair of checkboxes tell the MTL838C what is supposed to be connected to it.There are three possibilies. #1, #2, or both #1 and #2. You cannot unselect bothcheckboxes as it makes no sense to have a system with no MTL831C in it. Thisinformation is used to report an error condition to the Modbus Host if an MTL831Cis not connected but is supposed to be. The default condition is that two MTL831Csare connected to the MTL838C.