CHAPTER B: IEC 61850 IMPLEMENTATION DETAILS PIXIT
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE B-73
PIXIT for Time synchronisation model
PIXIT for File transfer model
PIXIT for Service tracking model
ID Ed Description Value / Clarification
Tm1 1,2 What time quality bits are supported (may be set by the IED) Y LeapSecondsKnown
N ClockFailure
Y ClockNotSynchronized.
Tm2 1,2 Describe the Behavior when the time server(s) ceases to respond
What is the time server lost detection time
On one time server: An event is generated
On all time servers: An event is generated
60 seconds
Tm3 1,2 How long does it take to take over the new time from time server 2 seconds
Tm4 1,2 When is the time quality bit "ClockFailure" set Never
Tm5 1,2 When is the time quality bit "Clock not Synchronized" set 60 seconds after the time server(s) ceases to
respond.
Tm6 - Is the timestamp of a binary event adjusted to the configured scan cycle Deprecated
Tm7 1 Does the device support time zone and daylight saving Y
Tm8 1,2 Which attributes of the SNTP response packet are validated Y Leap indicator not equal to 3
Y Mode is equal to SERVER
N OriginateTimestamp is equal to value sent by
the SNTP client as Transmit Timestamp
Y RX/TX timestamp fields are checked for
reasonableness
Y SNTP version 3 and/or 4
N other (describe)
Tm9 1,2 Do the COMTRADE files have local time or UTC time and is this
configurable
Local
N
ID Ed Description Value / Clarification
Ft1 1 What is structure of files and directories
Where are the COMTRADE files stored
Are comtrade files zipped and what files are included in each zip file
/COMTRADE
N
Ft2 1,2 Directory names are separated from the file name by “/”
Ft3 1 The maximum file name size including path (recommended 64 chars) 255 chars
Ft4 1,2 Are directory/file name case sensitive Case sensitive
Ft5 1,2 Maximum file size for SetFile
Ft6 1 Is the requested file path included in the MMS fileDirectory respond file
name
Y
Ft7 1 Is the wild char supported MMS fileDirectory request No
Ft8 1,2 Is it allowed that 2 clients get a file at the same time Y same file
Y different files
Ft9 1,2 Which files can be deleted Not Applicable
ID Ed Description Value / Clarification
Tr1 2 Which ACSI services are tracked by LTRK.GenTrk Not Applicable
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