What Does The 777-P2 Have That The 777 Does Not?
Littelfuse 9/21/2018
Battery programming - program the unit without applying line voltage by using a 9 volt battery to power the unit. A new 16 bit memory map to aid developers using PLCs, software, and other SCADA equipment (in addition to the legacy 8 bit memory map). Compatible with SymCom communications modules and remote monitors.