Schweitzer Engineering Laboratories SEL-311B, Instruction Manual

Page: 264 / 602

9-10 Setting the Relay Date Code 20011205
SEL----311B Instruction Manual
Row Bit Definition
Primary
Application
67G1 Level 1 torque controlled residual ground
instantaneous overcurrent element (derived from
50G1; see Figure 3.16)
67G1T Level 1 residual ground definite-time overcurrent
element 67G1T timed out (derived from 67G1; see
Figure 3.16)
4 51G Residual ground current above pickup setting 51GP
for residual ground time-overcurrent element 51GT
(see Figure 3.19) Testing, Control
51GT Residual ground time-overcurrent element 51GT
timed out (see Figure 3.19) Tripping
51GR Residual ground time-overcurrent element 51GT
reset (see Figure 3.16) Testing
LOP Loss-of-potential (see Figure 4.1) Testing, Special
directional
control schemes
ILOP Internal loss-of-potential (see Figure 4.1) Distance
directional
control enable
ZLOAD ZLOUT + ZLIN (see Figure 4.3) Special phase
overcurrent
element control
ZLOUT Load encroachment “load out” element (see
Figure 4.3)
ZLIN Load encroachment “load in” element (see
Figure 4.3)
5 LB1
LB2
LB3
LB4
LB5
LB6
LB7
LB8
Local Bit 1 asserted (see Figure 7.3)
Local Bit 2 asserted (see Figure 7.3)
Local Bit 3 asserted (see Figure 7.3)
Local Bit 4 asserted (see Figure 7.3)
Local Bit 5 asserted (see Figure 7.3)
Local Bit 6 asserted (see Figure 7.3)
Local Bit 7 asserted (see Figure 7.3)
Local Bit 8 asserted (see Figure 7.3)
Local control
via
front panel—
replacing
traditional
panel-mounted
control switches