SR High Flux IR High Flux PR Flux Low Setpoint PR Flux High Setpoint PR High Positive Rate PR High Negative Rate OTΔT OPΔT PZR Low Pressure PZR High Pressure PZR High Level RCS Low Flow RCP Under-voltage RCP Under-frequency SG Low Level Turbine Trip SI General Warning 105 cps Startup Accident ~ 25% Startup Accident 25% Startup Accident 109% DNB + 4% in 2 sec Rod Ejection - 4% in 2 sec Rod Drop 110% ± penalties DNB 110% - penalties Overpower 1,940 psig DNB 2,385 psig RCS Integrity 92% RCS Integrity 89.9% DNB 10,578 volts DNB 57.2 Hz DNB 23.5 Loss of Heat Sink 590 psig or 4 Valves Closed Loss of Heat Removal 2 trains LOCA or Steam Line Break 2/2 Loss of Reactor Protection Internal Use Only