status-only MZ Automation 1.0 1 Setting group demo IEC 61850-7-4:2007 MZ Automation none m kg s A K mol cd deg rad sr Gy q °C Sv F C S H V ohm J N Hz lx Lm Wb T W Pa m/s m/s² m³/s m/m³ M kg/m³ m²/s W/m K J/K ppm 1/s rad/s VA Watts VAr phi cos_phi Vs As A²t VAh Wh VArh V/Hz y z a f p n µ m c d da h k M G T P E Z Y status-only direct-with-normal-security sbo-with-normal-security direct-with-enhanced-security sbo-with-enhanced-security ok warning alarm not-supported reserved1 station-control remote-control reserved2 automatic-station automatic-remote maintenance process normal high low high-high low-low on on-blocked test test/blocked off unknown forward backward both e1 e2 e3 e4 e5