String-C Time Code O/P On P4 - Tektron TCG 01-G User Manual

Comms 9600bps, 8-bit ASCII, no parity
Definition <SOH> DDD:hh:mm:ssQ<CR><LF>
Refer to String-A table (above) for the definitions of the common digits
HEX ASCII
20
2E . (full stop)
2A *
23 #
3F ?
Example
<SOH>112:12:34:36?<CR><LF>

String-C Time Code O/P on P4

About This code is effectively a combination of String-A and String B. It provides
both year information and a sync indicator field.
Timing Transmitted once every second. T
character, <CR>, is exactly on the second to which the message data refers.
Comms 9600bps, 8-bit ASCII, no parity
Definition
<CR><LF>Q yy ddd hh mm ss.000
Placeholder Content
<CR><LF> Carriage Return Line Feed Pair: HEX 0D 0A
Q Quality indicator:
HEX 20 (space)
yy
HEX 20 (space)
ddd
HEX 20 (space)
hh
mm
TEK-TCG 01-G-Manual-v5-092016
© 2016 by Tekron International Limited. All Rights Reserved. All trademarks are the property of their respective holders. The
information in this document is provided for informational use only and is subject to change. For further information or support, go to
www.tekron.com.
Meaning
pace) Clock in sync, timing accuracy is better than 60 ns
Clock is accurate to 1 µs
Clock is accurate to 10 µs
Clock is accurate to 100 µs
Clock accuracy may be worse than 100 µs
Interpretation
day 112, time: 12:34:36, >100 µs sync error
= in-
nting the last two digits of the year
P a g e
-of-sync
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