Sel SEL-421 - SER Chatter Criteria; SER Points and Aliases; Event Reporting

R.10.45
Date Code 20111215 Reference Manual SEL-421 Relay
Settings
Report Settings
Table 10.88 SER Chatter Criteria
Label Prompt Default Value
ESERDEL Automatic Removal of Chattering SER Points (Y, N) N
SRDLCNT
a
a
Setting is only available if ESERDEL := Y.
Number of Counts Before Auto-Removal (2–20) 5
SRDLTIM
a
Time for Auto-Removal (0.1–30 seconds) 1.0
Table 10.89 SER Points and Aliases
Label Prompt Default Value
[Relay Word Bit] Label of any element in element store None
[Reporting Name] Alphanumeric string up to 20 characters
a
a
Allowed characters are all printable ASCII characters except double quotes.
None
[Set State Name] Alphanumeric string up to 20 characters
a
Asserted
[Clear State Name] Alphanumeric string up to 20 characters
a
Deasserted
[HMI Alarm] Y,N N
Tabl e 1 0 .90 Eve n t Repo r t ing
Label Prompt Default Value
SRATE Sample Rate of Event Report (1, 2, 4, 8 kHz) 2
LER Length of Event Report (0.25–2.00 seconds);
SRATE := 8
0.50
PRE Length of Pre-Fault (0.05–1.95 seconds); SRATE := 8 0.10
LER Length of Event Report (0.25–3.00 seconds);
SRATE := 4
0.50
PRE Length of Pre-Fault (0.05–2.95 seconds); SRATE := 4 0.10
LER Length of Event Report (0.25–4.00 seconds);
SRATE := 2
0.50
PRE Length of Pre-Fault (0.05–3.95 seconds); SRATE := 2 0.10
LER Length of Event Report (0.25–5.00 seconds);
SRATE := 1
0.50
PRE Length of Pre-Fault (0.05–4.95 seconds); SRATE := 1 0.10