Meinberg DCF77 PCI510 - Manual (Page 19)

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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:
D:dd.mm.yy;T:w;U:hh.mm.ss;uvxy
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:
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
End-Of-Text (ASCII code 03h)