IEC Standards Adopted As Singapore Standards

OPC unified architecture – Part 10 : Programs

OPC unified architecture – Part 9 : Alarms and Conditions

Terrestrial photovoltaic (PV) modules – Design qualification and type approval – Part 2: Test procedures

Terrestrial photovoltaic (PV) modules – Design qualification and type approval – Part 1-1: Special requirements for testing of crystalline silicon photovoltaic (PV) modules

Terrestrial photovoltaic (PV) modules – Design qualification and type approval – Part 1: Test requirements

Rotating electrical machines – Part 1 : Rating and performance

OPC unified architecture – Part 6 : Mappings

OPC unified architecture – Part 5 : Information model

OPC unified architecture – Part 4 : Services