Appendix B - Settings and Signals
ORDINAL SIGNAL NAME ELEMENT NAME
DESCRIPTION
Function key 10 is activated. In ‘Normal’ mode it is high on keypress and in ‘Toggle’ mode remains high/low on single keypress
Input to LED Output Condition
Input to LED Output Condition
Input to LED Output Condition
Input to LED Output Condition
Input to LED Output Condition
Input to LED Output Condition
Input to LED Output Condition
Input to LED Output Condition
Broken current maintenance alarm - circuit breaker cumulative duty alarm set-point
DDB_BROKEN_CURRENT_LOCKOUT
Broken current lockout alarm - circuit breaker cumulative duty has been exceeded
No of circuit breaker operations maintenance alarm - indicated due to circuit breaker trip operations threshold
No of circuit breaker operations maintenance lockout - excessive number of circuit breaker trip operations, safety lockout
DDB_EXCESSIVE_OP_TIME_ALARM
Excessive circuit breaker operating time maintenance alarm - excessive operation time alarm for the circuit breaker (slow interruption time)
DDB_EXCESSIVE_OP_TIME_LOCKOUT
Excessive circuit breaker operating time lockout alarm - excessive operation time alarm for the circuit breaker (too slow interruption)
Excessive fault frequency lockout alarm
DDB_SIGNALLING_FAIL_CH1_RX
Reception of messages on channel 1 has stopped
DDB_SIGNALLING_FAIL_CH1_TX
Transmission of messages on channel 1 has stopped
DDB_IEEE37_94_CH1_LOSS_OF_SIG
Mux indicates signal lost over channel 1
DDB_IEEE37_94_CH1_PATH_YELLOW
One way communication. Local relay that is sending over Ch1 indicates that remote end is not receiving
DDB_SIGNALLING_FAIL_CH2_RX
Reception of messages on channel 2 has stopped