4 FDM - Frequency Deviation Monitoring
4.1.4.8 FDM III String
Configure FDM III string in serial parameters (for corresponding serial port) as output string type.
Example of FDM III String:
Date:
09 March 2017
Time:
12:17:55 (UTC)
Time Deviation:
-1.573s
Frequency Deviation:
+0.095Hz
068:12:17:55?T-01.537F+0.123SF+60.095ST12:17:53.463
<CR><LF>
068:12:17:55
Reference time from the preconnected clock,
(yeardays:hours:minutes:seconds)
?
Local FDM status (" " sync or "?" not sync)
T-01.537
The time deviation between REF time and PL time,
with sign character (+/-), resolution: 1 ms
F+0.123
The frequency deviation between calculated and nominal frequency,
with sign character (+/-), resolution: 1 mHz
SF+60.095
The measured power line frequency with a resolution of 1 mHz
ST12:17:53.463
The power line time, based on the mains frequency,
(hours:minutes:seconds.milliseconds)
IMS-FDM Setup Guide
Date: March 15, 2022
21
Содержание IMS-FDM
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