Monitoring & Control
PRS-7367 263
5.9.3.2 Device self-check record
Hardware self-check record
The IED provide hardware health condition self-check alarm, such as analog sampling circuit
abnormal self-check, memory status self-check alarm.
Software self-check record
The IED provides software operation status self-check alarm records, such as setting error,
parameter verification error and the like.
Configuration file self-check record
The IED provides self-check records that reflect the status of the device configuration file, such as
configuration file error, configuration file change, etc.
The IED can store 128 latest time tagged alarm records.
5.9.4 Device Record
5.9.4.1 Remote Control Record
Device control objects include circuit breakers, disconnectors, earthing disconnectors close and
open, reset signal, transformer tap adjustment, etc., when the device receives the remote control
command, the device will generate control operation record. The remote control contents contain
the command source, command time, operation result, failure reason, etc.
The IED can store 128 latest time tagged control records.
5.9.4.2 Device Operation Record
The operation record includes the time when the event was generated, the operation object, the
content of the operation, and the description of the operation result.
The IED can store 128 latest time tagged device operation records.
5.9.4.3 Device Running Record
The running record is the device power-on, power-off record.
The IED can store 128 latest time tagged device running records.
5.9.5 Sequence of Event
The IED provides a sequence of event (SOE) function:
When the state quantity input signal is from a hard contact, the time tag of the state quantity is
marked by the device, and the time is defined before denouncing.
When the state quantity input is GOOSE signal, the time tag of the state quantity adopts the
external input source signal time tag, and GOOSE signal acquisition has no denouncing time.
The IED can store 2000 latest SOE records.
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