Schweitzer Engineering SEL-351P, Quick Start Manual

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9-32 Setting the SEL-351P Recloser Control Date Code 990430
SEL - 351P Manual Técnico
Row
Bit
Definition Primary
Application
23 81D1T Level 1 definite-time frequency element 81D1T
timed out (derived from 81D1; see Figure 3.28) Tripping,
Control
81D2T Level 2 definite-time frequency element 81D2T
timed out (derived from 81D2; see Figure 3.28)
81D3T Level 3 definite-time frequency element 81D3T
timed out (derived from 81D3; see Figure 3.28)
81D4T Level 4 definite-time frequency element 81D4T
timed out (derived from 81D4; see Figure 3.28)
81D5T Level 5 definite-time frequency element 81D5T
timed out (derived from 81D5; see Figure 3.28)
81D6T Level 6 definite-time frequency element 81D6T
timed out (derived from 81D6; see Figure 3.28)
VPOLV Positive-sequence polarization voltage valid (see
Figure 4.14) Testing
LOP Loss-of-potential (see Figure 4.1) Testing, Special
directional
control schemes
24 50NF
50NR
Forward direction neutral ground overcurrent
threshold exceeded (see Figures 4.4, 4.7, and 4.11)
Reverse direction neutral ground overcurrent
threshold exceeded (see Figures 4.4, 4.7, and 4.11)
Testing
IN106
IN105
IN104
IN103
IN102
IN101
Optoisolated input IN106 asserted (see Figure 7.1)
Optoisolated input IN105 asserted (see Figure 7.1)
Optoisolated input IN104 asserted (see Figure 7.1)
Optoisolated input IN103 asserted (see Figure 7.1)
Optoisolated input IN102 asserted (see Figure 7.1)
Optoisolated input IN101 asserted (see Figure 7.1)
Circuit breaker
status, Control
via optoisolated
inputs