14.60
SEL-400 Series Relays Instruction Manual Date Code 20171006
ASCII Command Reference
Command Description
TIME DST
In response to the TIME DST command, the relay displays local time, UTC time
and UTC Offset, followed by daylight-savings time rules and information.
=>TIME Q <Enter>
Station A Date: 2016/02/24 Time: 23:04:16.336
Relay 1 Serial Number: 0000000000
Time Source: HIRIG
Last Update Source: HIRIG
IRIG Time Quality: 0.000 ms
Time Mark Period: 999.990539 ms
Internal Clock Period: 20.000006 ns
Figure 14.9 Sample TIME Q Command Response With IRIG
=>>TIME Q <Enter>
Relay 1 Date: 02/24/2016 Time: 15:08:41.468
Station A Serial Number: 0000000000
Time Source: HPTP
Last Update Source: HPTP
Grandmaster Clock Quality
Clock Class : Synchronized with PTP timescale (6)
Time Traceable : TRUE
Clock Accuracy : Within 25 ns
Offset Log Variance : 0
Time Mark Period: 1000.000061 ms
Internal Clock Period: 19.999935 ns
Figure 14.10 Sample Time Q Command Response With PTP
=>>TIME DST <Enter>
local: 11:28:19 UTC: 18:28:19 UTC Offset: -07.0 hrs
Daylight Savings Time Begin Rule: 2nd Sunday of March at 02:00
Daylight Savings Time End Rule: 1st Sunday of November at 02:00
Daylight Savings Time Presently Active
Next Daylight Savings Time Beginning: 03/11/2012 02:00
Next Daylight Savings Time Ending: 11/06/2011 02:00
=>>
Ta b l e 1 4.1 3 9 T I M E D ST Comm a n d
Command Description Access Level
TIME DST Daylight-saving time rules and information 1, B, P, A, O
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