The High Resistance Ground Unit (HRG or HRGU) offered in the Model 6 MCC (M6 MCC) uses a Post Glover PulserPlus.Net™ controls unit. The controller is equipped with (1) RS-232/(1)RS-485 and (1) Ethernet Port. Modbus Serial or Modbus TCP/IP communications protocol are available. The data is available via data tables populated within the controller unit. If the High Resistance Ground Unit needs to be integrated into an Intelligent Model 6 MCC (M6 iMCC) communications network, it will require special pricing for this option. Contact your local Schneider Electric sales office or Schneider Electric Customer Care Center or Seneca Technical Assistance Group. If a communications manual is needed for the Post Glover unit, it is available via the Post Glover website or contact the Schneider Electric Customer Care Center for assistance.