Table of Contents
Advertisement
Chapter 10 - Appendixes
Appendix C – Serial Datagrams
ACEB Datagrams
NEMEA GPZDA Datagram
RT430/434
RT430/434 can be configured to send datagrams through serial ports. The
datagrams defined for the unit are ACEB, NEMEA GPZDA, and Meinberg.
ACEB datagram comprises 13 bytes, sent once per minute in the second second of
the minute (i.e. 12:00:02, then 12:01:02). The datagram information is described
below.
Table 38: ACEB Datagram Information
Byte
Description
1
Delimiter
2
Header
3
Status
4
Start of transmission
5
Day of week
6
Year
7
Month
8
Day of month
9
Hour
10
Minute
11
Second
12
End of transmission
13
Synch byte
NEMEA ACEB datagram comprises 32 characters, sent once per second. The
datagram information is described below:
$GPZDA,hhmmss.0,DD,MM,YYYY,,*CC<CR><LF>
Possible values
0xFF
0x01
0x00 (locked) or 0x01 (not locked)
0x02
BCD 01 (Monday) ... BCD 07 (Sunday)
BCD 00 ... 99
BCD 01 ... 12
BCD 01 ... 31
BCD 00 ... 23
BCD 00 ... 59
BCD 02
0x03
0x16
RT430/434
93
Advertisement
Table of Contents
