Meinberg GPS170LCD-MP - Manual (Page 48)

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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 <CR> (Carriage Return) character. The
format is:
>900WD:yy-mm-tt_hh.mm;ss.fff:cc<CR>
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)
<CR> Carriage Return, ASCII Code 0Dh