Format of the abb spa time string – Meinberg GPS170LCD-MP User Manual
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Format of the ABB SPA Time String
The ABB SPA Time String is a sequence of 32 ASCII characters starting with the
characters ">900WD" and ending with the
format is:
>900WD:yy-mm-tt_hh.mm;ss.fff:cc
The letters printed in italics are replaced by ASCII numbers whereas the other
characters are part of the time string. The groups of characters as defined below:
yy-mm-tt
the current date:
yy
year of the century
(00..99)
mm month
(01..12)
dd
day of month
(01..31)
_
Space (ASCII code 20h)
hh.mm;ss.fff
the current time:
hh
hours
(00..23)
mm minutes
(00..59)
ss
seconds
(00..59, or 60 while leap second)
fff
milliseconds
(000..999)
cc
Check sum. EXCLUSIVE-OR result of the previous characters,
displayed as a HEX byte (2 ASCII characters 0..9 or A..F)
Carriage Return, ASCII Code 0Dh