Safran VersaSync - Format BBC-04

5.3.15.4 Format BBC-04
This format is a string of ASCII characters and is sent once per second.
Number of characters: 18 (including CRLF)
E x a m p l e m e s s a g e :
T:ho:mi:sc:dw:da:mo:ye:lp:cs<CR><LF>
Where:
T Indicates the synchronous moment for the
time setting.
ho Hours (00-23)
mi Minutes (00-59)
sc Seconds (00-59)
dw Day of week (01=Monday to 7=Sunday)
da Day of month (01-31)
mo Month (01-12)
ye Year (00-99)
lp 0 (for 60s, no leap) or 1 (for 61s, leap)
cs Checksum. This is calculated from the start of
the message, including start identifier and
excluding CRLF. It is created by adding all
the 1s. If the sum is even, 0 is returned. If the
sum is odd, 1 is returned. This is math-
ematically the same as sequentially running
an XOR on each bit of each byte.
Standard Serial configuration is:
RS-232 format
115200 baud
8 data bits
1 stop bit
No parity
366 VersaSync User Manual
APPENDIX