Rosemount 5300/5400 Series
Manual Supplement
4.If the HMC is configured for Modbus ASCII or Levelmaster communication cycle the power to the transmitter (the HMC will then communicate using Modbus RTU for 20 seconds and under that time it is possible to connect with RRM).
5.Open the Search Device window and make sure Modbus is selected in the Protocol list.
6.Search for HMCs by selecting “Scan Address Range”, and choose a start and end address for Modbus. The default HMC Modbus address is 246.
7.Click the Start Scan button.
8.Click OK to connect when the device is found.
9.From the Service menu, choose the Enter Service Mode option.
10.Type password, “admin”.
