RoyalTek REB-3000 Operational Manual page 22

RoyalTek RGM-3000/REB-3000
GPS Module Operational Manual)
clock offset , and time .This enables the
Evaluation Unit to search for the correct
satellite signals at the correct signal
parameters . Correct initialization
parameters enable the Evaluation Unit to
acquire signals quickly.
Table 9 Navigation Initialization Data Format
Name
Message ID
ECEF X
ECEF Y
ECEF Z
CLK Offset
Time Of Week
Week No
Channel Count
Reset Cfh
Checksum
<CR><LF>
Use 0 for last saved value if available . If this is unavailable, a default value of 96,000 will be used...
Table 10 Reset Configuration
Hex
0x01
0x02
0x04
Set DGPS Port
This command is used to control Serial Port
B which is an input – only serial port used to
receive RTCM differential corrections.
Differential receivers may output corrections
using different communication parameters.
The default communication parameters for
Table 11 Set DGPS Port Data Format
Name
Message ID
Baud
Data Bits
Stop Bits
Parity
Checksum
<CR><LF>
Query/Rate Control
This command is used to control the output
of standard NMEA messages GGA, GLL,
GSA, RMC, and VTG. Using this command
message, standard NMEA messages may
Example Units
$PSRF101
-2686700 Meters
-4304200 Meters
3851624 Meters
95000 Hz
497260 seconds
921
12
3
*22
Data Valid – Warm /Hot Starts=1
Clear Ephemeris – Warm Start=1
Clear Memory – Cold Start =1
Example Units
$PSRF102
9600
8
1
0
*3C
17
Table 9 contains the input values for the
following example:Switch to SiRF Binary
protocol at 9600,8,N,1
$PSRF101,-2686700,-4304200, 3851624,
95000, 497260, 921, 12, 3*22
Description
PSRF101 protocol header
X coordinate position
Y coordinate position
Z coordinate position
Clock Offset of the Evaluation Unit 1
GPS Time OF Week
GPS Week Number
Range 1 to 12
See Table 10
End of message termination
Description
PORT B are 9600 baud, 8 data bits, stop bit,
and no parity. If a DGPS received , the
parameters are stored in battery – backed
SRAM and then the receiver restarts using
the saved parameters.
Table 11 contains the input values for the
following example:Set DGPS Port to be
9600,8,N,1. $PSRF102,9600,8,1,0*3C
Description
PSRF102 protocol header
4800,9600,19200,38400
8,7
0,1
0==None, 1=Odd, 2=Even
End of message termination
be polled once, or setup for periodic output.
Checksums may also be enabled or disabled
depending on the needs of the receiving
program. NMEA message settings are saved
in battery-backed memory for each entry
when the message is accepted.