8 Communication
8.4 IEC 61850
180
SICAM I/O Unit, 7XV5673, Device Manual
E50417-H1040-C484-A3, Edition 05.2012
PIXIT for Time and Time Sychronization Model
Mechanism on second internal data change
notification of the same analogue data value
within buffer period (Compare IEC 61850-7-2
§14.2.2.9)
Send report immediately
Multi client URCB approach
(compare IEC 61850-7-2 §14.2.1)
Each URCB is visible to all clients
What is the format of EntryID
First 2 Byte : Integer Last 6 Bytes: BTime6 time stamp
What is the buffer size for each BRCB or how
many reports can be buffered
No fixed size, depends on total number of BRCBs
Pre-configured RCB attributes that cannot be
changed online when RptEna = FALSE
(see also the ICD report settings)
May the reported data set contain:
- structured data objects?
- data attributes?
- timestamp data attributes?
Yes
Yes
Yes, will not be included in a dchg report
What is the scan cycle for binary events?
Is this fixed, configurable
60 ms
Fixed
additional items:
Dynamic BRCB reservation after an abort
of the client/server association
Reservation of the BRCB has been fixed with TISSUE
453.
A Value of -1 for ResTms is not supported
Table 8-21
PIXIT for Reporting Model (cont.)
Description
Value/Clarification
Table 8-22
PIXIT for Time and Time Syncronization Model
Description
Value/Clarification
What quality bits are supported
LeapSecondsKnown
No
ClockFailure
Yes
ClockNotSynchronized
Yes
Describe the behavior when the time synchro-
nization signal/messages are lost
After a waiting period, time quality is set to
ClockNotSynchronized and ClockFailure
MAN_SICAM_IO-Unit_7XV5673_US.book Page 180 Thursday, May 10, 2012 10:59 AM