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11 Technical Specications GPS170PCI
11.8 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.f: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 dened 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.f the current time:
hh
hours
(00..23)
mm
minutes
(00..59)
ss
seconds
(00..59, or 60 while leap second)
f
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
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Date: 12th July 2012
GPS170PCI
