Schweitzer Engineering Laboratories SEL-351 - Page 390

SETTINGS SHEET Page 10 of 24
FOR THE SEL-351 RELAY Date
RELAY SETTINGS (SERIAL PORT COMMAND SET AND FRONT PANEL)
Date Code 20001006
Level 2 pickup (OFF, 40.10 - 65.00 Hz) 81D2P =
Level 2 time delay (2.00 - 16000.00 cycles in 0.25-cycle steps) 81D2D =
Level 3 pickup (OFF, 40.10 - 65.00 Hz) 81D3P =
Level 3 time delay (2.00 - 16000.00 cycles in 0.25-cycle steps) 81D3D =
Level 4 pickup (OFF, 40.10 - 65.00 Hz) 81D4P =
Level 4 time delay (2.00 - 16000.00 cycles in 0.25-cycle steps) 81D4D =
Level 5 pickup (OFF, 40.10 - 65.00 Hz) 81D5P =
Level 5 time delay (2.00 - 16000.00 cycles in 0.25-cycle steps) 81D5D =
Level 6 pickup (OFF, 40.10 - 65.00 Hz) 81D6P =
Level 6 time delay (2.00 - 16000.00 cycles in 0.25-cycle steps) 81D6D =
Reclosing Relay (See Tables 6.2 and 6.3)
(Make the following settings if preceding enable setting E79 = 1 - 4)
Open interval 1 time (0.00 - 999999.00 cycles in 0.25-cycle steps) 79OI1 =
Open interval 2 time (0.00 - 999999.00 cycles in 0.25-cycle steps) 79OI2 =
Open interval 3 time (0.00 - 999999.00 cycles in 0.25-cycle steps) 79OI3 =
Open interval 4 time (0.00 - 999999.00 cycles in 0.25-cycle steps) 79OI4 =
Reset time from reclose cycle (0.00 - 999999.00 cycles in 0.25-cycle steps) 79RSD =
Reset time from lockout (0.00 - 999999.00 cycles in 0.25-cycle steps) 79RSLD =
Reclose supervision time limit (OFF, 0.00 - 999999.00 cycles in 0.25-cycle
steps) (set 79CLSD = 0.00 for most applications; see Figure 6.2)
79CLSD =
Switch-Onto-Fault (See Figure 5.3)
(Make the following settings if preceding enable setting ESOTF = Y)
Close enable time delay (OFF, 0.00 - 16000.00 cycles in 0.25-cycle steps) CLOEND =
52 A enable time delay (OFF, 0.00 - 16000.00 cycles in 0.25-cycle steps) 52AEND =
SOTF duration (0.50 - 16000.00 cycles in 0.25-cycle steps) SOTFD =
POTT Trip Scheme Settings (Also Used in DCUB Trip Schemes) (See Figure 5.6)
(Make the following settings if preceding enable setting ECOMM = POTT, DCUB1, or DCUB2)
Zone (level) 3 reverse block time delay (0.00 - 16000.00 cycles in 0.25-cycle
steps)
Z3RBD =
Echo block time delay (OFF, 0.00 - 16000.00 cycles in 0.25-cycle steps) EBLKD =
Echo time delay pickup (OFF, 0.00 - 16000.00 cycles in 0.25-cycle steps) ETDPU =
Echo duration time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) EDURD =
Weak-infeed enable (Y, N) EWFC =
Additional DCUB Trip Scheme Settings (See Figure 5.10)
(Make the following settings if preceding enable setting ECOMM = DCUB1 or DCUB2)
Guard present security time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) GARD1D =
Courtesy of NationalSwitchgear.com