MiCOM P921/P922/P923 - Schneider - error

P92x/EN TD/H42Page 22/42Technical GuideTechnical DataMiCOM P921/P922/P9235.7 Rate of change of frequency (ANSI codes 81R) only P9235.7.1 Threshold settingsSetting Range Step Sizedf/dt1 threshold –10 Hz/s, +10 Hz/s 0.1 Hz/sdf/dt2 threshold –10 Hz/s, +10 Hz/s 0.1 Hz/sdf/dt3 threshold –10 Hz/s, +10 Hz/s 0.1 Hz/sdf/dt4 threshold –10 Hz/s, +10 Hz/s 0.1 Hz/sdf/dt5 threshold –10 Hz/s, +10 Hz/s 0.1 Hz/sdf/dt6 threshold –10 Hz/s, +10 Hz/s 0.1 Hz/s5.7.2 Integration timeSetting Range Step Sizecycle number 1 – 200 1 cycle5.7.3 Validation number of protectionSetting Range Step SizeValidation 2 or 4 25.7.4 Under voltage blocking− Nominal voltage range: 57-130VSetting Range Step Sizeprotection block 5.7 – 130V 0.1− Nominal voltage range: 220-480VSetting Range Step Sizeprotection block 20 – 480V 0.1NOTE: For P922S the under voltage blocking threshold is fixed to 10%of the nominal setting voltage range.5.7.5 Frequency Change of Rate of Frequency (P923 only)Setting Range Step SizeF1 + df/dt1 to F6 + df/dt6Yes / No5.7.6 Delta U / Delta TSetting Range Step SizeDU / DT 1 to DU / DT 4“No” (no valid) or “MIN/OR”* or “MIN/AND”* or“MAX/OR”* or “MAX/AND”DU1, DU2, DU3 or DU4 – 7200V – + 7200V 5 VDT1, DT2, DT3 or DT4 0.1s to 10s 0.01s