Channel 3
Table 5.1.17.1.-10 Event codes E1...E12
Channel Event Description Weighting
factor
Default
value
3 E1 Shot 1 initiated 1 1
3 E2 Shot 1 ended 2 1
3 E3 Shot 2 Initiated 4 1
3 E4 Shot 2 ended 8 1
3 E5 Shot 3 initiated 16 1
3 E6 Shot 3 ended 32 1
3 E7 CB position open 64 1
3 E8 CB position closed 128 1
3 E9 Definite trip alarm signal activated 256 1
3 E10 Definite trip alarm signal reset 512 1
3 E11 AR lockout signal activated 1024 0
3 E12 AR lockout signal reset 2048 0
Default value of event mask 3V155 1023
Table 5.1.17.1.-11 E13...E22
Channel Event Description Weighting
factor
Default
value
3 E13 Open CB command activated 1 0
3 E14 Open CB command reset 2 0
3 E15 Close CB command activated 4 0
3 E16 Close CB command reset 8 0
3 E17 CB reclosing failed signal activated 16 1
3 E18 CB reclosing failed signal reset 32 1
3 E19 CB reclosing inhibited 64 1
3 E20 CB reclosing inhibited reset 128 1
3 E21 AR cancelled 256 1
3 E22 AR cancelled reset 512 1
Default value of event mask 3V156 1008
5.1.18. Self-supervision (IRF) system
The relay is provided with an extensive self-supervision system which continuously
supervises the software and the electronics of the relay. It handles run-time fault
situations and informs the user about an existing fault via a LED on the HMI and a
text message on the LCD. There are two types of fault indications: IRF indications
and warnings.
132
REF 610REF 610
Feeder Protection Relay
Technical Reference Manual
1MRS755310