IEDTimeSkew. But in LinMastTime
it applies the time changes occurred
between two synchronization messages.
• IEDTimeSkew: The IED measures the offset in between its own time and
the master time and applies the same offset for the messages sent.
• EvalTimeAccuracy evaluates time accuracy for invalid time. Specifies the
accuracy of the synchronization (5, 10, 20 or 40 ms). If the accuracy is less
than the specified value, the “Bad Time” flag is raised. To accommodate those
masters that are really bad in time sync, the EvalTimeAccuracy can be set to
Off.
If IEC-103 is time-sync master and no IEC-103 time-sync is received within 23
hours then time-sync is considered lost and the no-sync flag will be raised. Other
protocols used for time-sync will have other criteria for lost-sync. IEC-103 will
report bad time if sync lost regardless of sync protocol.
3.2.2 Settings
PID-6611-SETTINGS v5
Table 2: RS485103 Non group settings (basic)
Name Values (Range) Unit Step Default Description
SlaveAddress 1 - 254 - 1 1 Slave address
BaudRate 9600 Bd
19200 Bd
- - 9600 Bd Baudrate on serial line
CycMeasRepTime 1.0 - 1800.0 s 0.1 5.0 Cyclic reporting time of measurments
MasterTimeDomain UTC
Local without DST
Local with DST
- - UTC Master time domain
TimeSyncMode IEDTime
LinMastTime
IEDTimeSkew
- - IEDTime Time synchronization mode
EvalTimeAccuracy Off
5ms
10ms
20ms
40ms
- - 5ms Evaluate time accuracy for invalid time
EventRepMode SeqOfEvent
HiPriSpont
- - SeqOfEvent Event reporting mode
CmdMode MultiCmd
SingleCmd
- - SingleCmd Command handling mode
RepIntermediatePos Off
On
- - On Report intermediate position
Section 3 1MRK 511 394-UEN A
IEC 60870-5-103 communication engineering
20 670 series 2.2 IEC
Communication protocol manual
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