Tekron TTM 01-G, User Manual, Page: 26 / 33

TTM 01-G Manual / October 2018 26
String-E Time Code O/P
Table 13 details the String E serial string format and fields.
About This provides time, year information, and a sync indicator field.
Timing
The string is transmitted once every second, with the leading edge of the “start” bit of the
<CR> exactly on the second.
Default Comms 9600 bps, 8-bit ASCII, no parity
Definition <SOH>YYYY:ddd:hh:mm:ssQ<CR><LF>
Placeholder Content
YYYY 4-digit current year
: HEX 3A
ddd Day of year: range “001” – “365”
: HEX 3A
hh hour: “00” – ”23”
: HEX 3A
mm minute: “00” – “59”
: HEX 3A
ss seconds: “00” – “59”
Q Quality character, as defined in String B (refer to Table 11)
<CR> Carriage Return: HEX 0D
<LF> Line Feed: HEX 0A
Table 13 - String-E Time Code Format Fields
Example: Interpretation:
<SOH>2004:112:12:34:36?<CR><LF> 2004, day 112, 12:34:36pm, >100us sync error