The HDPM6000 Protocol Guide details the data available through Modbus, BACnet, and SNMP protocols. It covers Modbus READ Registers, Module Summary Registers, Special Function Registers, and various other registers for voltage, current, power factor, and energy measurements. The document includes information on logging, environmental sensors, digital inputs, I/O modules, and accumulated energy. It also provides configuration details for load types, alarms, and circuit names.