4-32 Control Logic Date Code 20080110
SEL-387E Instruction Manual
Row Bit Definition
19 2HB1 Second-Harmonic block asserted for differential element 1
2HB2 Second-Harmonic block asserted for differential element 2
2HB3 Second-Harmonic block asserted for differential element 3
5HB1 Fifth-Harmonic block asserted for differential element 1
5HB2 Fifth-Harmonic block asserted for differential element 2
5HB3 Fifth-Harmonic block asserted for differential element 3
TH5 Fifth-Harmonic alarm threshold exceeded
TH5T Fifth-Harmonic alarm threshold exceeded for longer than TH5D
20 87BL1 Harmonic block asserted for differential element 1
87BL2 Harmonic block asserted for differential element 2
87BL3 Harmonic block asserted for differential element 3
87BL Harmonic block asserted for differential element
87E1 Trip by differential element 1
87E2 Trip by differential element 2
87E3 Trip by differential element 3
32IE Internal enable for the 32I element
21 87O1 Restrained differential element 1 operating current above O87P
87O2 Restrained differential element 2 operating current above O87P
87O3 Restrained differential element 3 operating current above O87P
24D1 Level 1 Volts/Hertz instantaneous pickup
24D1T Level 1 Volts/Hertz definite-time element timed out
24C2 Level 2 Volts/Hertz composite element pickup
24C2T Level 2 Volts/Hertz composite element timed out
24CR Level 2 Volts/Hertz element fully reset
22 51PC1 Windings 1 and 2 phase inverse-time O/C element picked up
51PC1T Windings 1 and 2 phase inverse-time O/C element timed out
51PC1R Windings 1 and 2 phase inverse-time O/C element is reset
51NC1 Windings 1 and 2 residual inverse-time O/C element picked up
51NC1T Windings 1 and 2 residual inverse-time O/C element timed out
51NC1R Windings 1 and 2 residual inverse-time O/C element is reset
DC1 DC battery voltage Level 1 exceeded
DC2 DC battery voltage Level 2 exceeded
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