Schweitzer Engineering Laboratories SEL-352-1, Instruction Manual

Page: 220 / 444

S
ETTINGS
W
ORKSHEET
Page 4 of 28
FOR THE
SEL-352-1, -2 R
ELAY
Date ________
Date Code 20010731
SEL
OGIC
A
(cont.)
Timer T1A, T1B, and T1C Inputs
T1A =
T1B =
T1C =
SEL
OGIC
Set A Elements
SAA =
SAB =
SAC =
Fault Current Logic Settings
1
Description Range
Fault Current Detector 0.50–45.00 A in 0.01-A steps (5 A)
0.10–9.00 A in 0.01-A steps (1 A)
50FT =
RMS Current Detector
(Only available in SEL-352-2 Relay) 0.50–45.00 A in 0.10-A steps (5 A)
0.10–9.00 A in 0.02-A steps (1 A)
50RMS =
Fault Current Logic OFF, 1–5, CUSTOM FTLOG =
If FTLOG = 1
62TT Trip Timer Dropout Time 0–8191 cycles in 1/8-cycle steps TTdo =
62FC Fault Current Pickup Time 0–8191 cycles in 1/8-cycle steps FCpu =
If FTLOG = 2
62FC Fault Current Pickup Time 0–8191 cycles in 1/8-cycle steps FCpu =
If FTLOG = 3
62FC Fault Current Pickup Time 0–8191 cycles in 1/8-cycle steps
FCpu =
If FTLOG = 4
62TT Trip Timer Pickup Time 0–8191 cycles in 1/8-cycle steps TTpu =
62TT Trip Timer Dropout Time 0–8191 cycles in 1/8-cycle steps TTdo =
If FTLOG = 5
62FC Fault Current Pickup Time 0–8191 cycles in 1/8-cycle steps FCpu =
If FTLOG = Custom
62TT Trip Timer Pickup Time 0–8191 cycles in 1/8-cycle steps TTpu =
62TT Trip Timer Dropout Time 0–8191 cycles in 1/8-cycle steps TTdo =
62FC Fault Current Pickup Time 0–8191 cycles in 1/8-cycle steps
FCpu =
1
Amperes are set in secondary quantities.