Pixit For Time Synchronisation Model - GE 350 Communications Manual

PIXIT

PIXIT for Time synchronisation model

ID Ed Description
Tm1 1,2 What time quality bits are supported (may be set by the IED)
Tm2 1,2 Describe the behaviour when the time server(s) ceases to respond
What is the time server lost detection time
Tm3 1,2 How long does it take to take over the new time from time server
Tm4 1,2 When is the time quality bit "ClockFailure" set
Tm5 1,2 When is the time quality bit "Clock not Synchronized" set
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
Tm8 1,2 Which attributes of the SNTP response packet are validated
Tm9 1,2 Do the COMTRADE files have local time or UTC time and is this
configurable
PIXIT for File transfer model
ID Ed Description
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
Ft2 1,2 Directory names are separated from the file name by
Ft3 1 The maximum file name size including path (recommended 64 chars)
Ft4 1,2 Are directory/file name 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
Ft7 1 Is the wild char supported MMS fileDirectory request
Ft8 1,2 Is it allowed that 2 clients get a file at the same time
Ft9 1,2 Which files can be deleted
ID Ed Description
Tr1 2 Which ACSI services are tracked by LTRK.GenTrk
A–66
PIXIT for Service tracking model
Value / Clarification
Y LeapSecondsKnown
N ClockFailure
Y ClockNotSynchronized.
On one time server: An event is generated
On all time servers: An event is generated
60 seconds (AnyCast)
30 seconds (Unicast)
8 min (Broadcast
2 seconds
Never
60 seconds (Unicast) or 30 seconds (Anycast)
after the time server(s) ceases to respond or 8
min in Broadcast.
Y
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)
Local
N
Value / Clarification
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Value / Clarification
Not Applicable
3 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE