26
Time strings
Format of the Meinberg Standard time string
The Meinberg Standard time string is a sequence of 32 ASCII characters starting
with the STX (start-of-text) character and ending with the ETX (end-of-text) charac-
ter. The format is:
<STX>D:
dd.mm.yy
;T:
w
;U:
hh.mm.ss
;
uvxy
<ETX>
The letters printed in
italics
are replaced by ASCII numbers whereas the other charac-
ters are part of the time string. The groups of characters as defined below:
<STX>
Start-Of-Text (ASCII code 02h)
dd.mm.yy
the current date:
dd
day of month
(01..31)
mm
month
(01..12)
yy
year of the century
(00..99)
w
the day of the week
(1..7, 1 = Monday)
hh.mm.ss
the current time:
hh
hours
(00..23)
mm
minutes
(00..59)
ss
seconds
(00..59, or 60 while leap second)
uv
clock status characters:
u
:
‘#’ clock has not synchronized after reset
‘ ‘ (space, 20h) clock has synchronized after reset
v
:
different for DCF77 or GPS receivers:
‘*’ DCF77 clock currently runs on XTAL
GPS receiver has not checked its position
‘ ‘ (space, 20h) DCF77 clock is sync'd with transmitter
GPS receiver has determined its position
x
time zone indicator:
‘U’ UTC
Universal Time Coordinated, formerly GMT
‘ ‘
MEZ
European Standard Time, daylight saving disabled
‘S’ MESZ European Summertime, daylight saving enabled
y
anouncement of discontinuity of time, enabled during last hour
before discontinuity comes in effect:
‘!’
announcement of start or end of daylight saving time
‘A’ announcement of leap second insertion
‘ ‘
(space, 20h) nothing announced
<ETX>
End-Of-Text (ASCII code 03h)
Содержание GPS169PCI
Страница 1: ...Technical Information Operating Instructions GPS169PCI with IRIG Generator...
Страница 7: ...7 Block diagram GPS169PCI...
Страница 17: ...17 IRIG standard format...
Страница 18: ...18 AFNOR standard format...
Страница 25: ...25 Assembly with CN UB E CN UB 280DC...
Страница 33: ...33...
Страница 34: ......