PE1358A Sami MultiNode DDCS is a protocol converter designed to connect up to eight different Selma/Sami/Sele to ABB ModuleBus (DDCS+). The unit is enclosed in a metal box with connection terminal for Power supply and Sami/Sele connection. Connector type HP Versatile link for ABB ModuleBus connection.
The ModulBus communication is handled by a 80C32 microprocessor and the eight Sami/Sele communication links is handled by a Hitachi H8/532 microprocessor. The two microprocessors are communicating thru a dual port memory.