Campbell Scientific GPS16-HVS User Manual
INSTRUCTION MANUAL
Garmin 16-HVS GPS Receiver
Copyright © 2003- 2014
Campbell Scientific, Inc.
Revision: 2/14
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Table of Contents
PDF viewers: These page numbers refer to the printed version of this document. Use the
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1. Overview ...................................................................... 1
2. Wiring ........................................................................... 1
3. GPS Data ..................................................................... 4
4. CRBasic Programming ............................................... 5
4.1 Read GPS Data ..................................................................................... 5
4.1.1 SerialOpen..................................................................................... 5
4.1.2 SerialIn .......................................................................................... 5
4.1.3 SerialFlush .................................................................................... 5
4.1.4 SerialClose .................................................................................... 5
4.2 Parsing and Data Storage Options ........................................................ 6
4.2.1 SplitStr .......................................................................................... 6
4.2.2 Converting Strings to Floating Point Numbers ............................. 6
5. Troubleshooting.......................................................... 7
5.1 GPS Setup and Function ...................................................................... 7
Appendices
CR23X/CR10X Programs ........................................ A-1
A.
A.1 Programming ................................................................................... A-1
A.1.1 Program Execution Interval ..................................................... A-1
A.1.2 Reading GPS Data ................................................................... A-1
A.1.3 Filters ....................................................................................... A-3
A.1.4 Managing the Data ................................................................... A-3
A.1.5 Program Discussion ................................................................. A-4
A.1.6 Troubleshooting ....................................................................... A-7
B. CR9000(X) Program Example ................................ B-1
C. Specifications ......................................................... C-1
C.1 Replacement Parts ............................................................................ C-1
C.2 Specifications ................................................................................... C-1
D. Garmin16-HVS Setups ............................................ D-1
Figures
1-1. Garmin 16-HVS GPS Receiver, Part Number 17215 ........................... 1
2-1. RJ45 with Flying Leads, Part Number 17217 ...................................... 2
i
Table of Contents
Tables
2-2. CR1000 to GPS16-HVS Using the 17218 Adapter ............................. 2
2-3. RJ45 to DB9 Serial Adapter, Part Number 17218 ............................... 3
2-1. Wiring the RJ45 Connector with Flying Leads ................................... 2
2-2. Wiring without the RJ45 Connector (Garmin Wiring) ........................ 3
2-3. RJ45 to DB9 RS-232 Adapter ............................................................. 3
3-1. NMEA $GPGGA String Definition .................................................... 4
A-1. P15 for NMEA $GPGGA Data String ............................................. A-1
A-2. Filter ................................................................................................ A-3
D-1. PGRMC Setup Sentence
$PGRMC,1,2,3,4,5,6,7,8,9,10,11,12,13,14*hhCRLF .................. D-2
D-2. PGRMO Output Sentence Enable/Disable
$PGRMO,1,2,*hhCRLF .............................................................. D-2
D-3. Supported NMEA 0183 Sentences Order and Size ......................... D-3
D-4. $GPGGA Global Positioning System Fix Data
$GPGGA,1,2,3,4,5,6,7,8,9,M,10,M,11,12*hhCRLF ................... D-4
ii
Garmin 16-HVS GPS Receiver
1. Overview
FIGURE 1-1. Garmin 16-HVS GPS Receiver, Part Number 17215
The Garmin16-HVS is a complete GPS receiver manufactured by Garmin
International, Inc. The Garmin16-HVS has been configured by Campbell
Scientific, Inc. (CSI) to work with CSI dataloggers.
2. Wiring
The CR1000, CR3000, CR800, and CR850 dataloggers use serial input
instructions and string handling functions to read, parse and store GPS data.
The CR10X, CR23X, and other dataloggers that support P15 or the SDM-SIO4
four channel serial interface can be used with the Garmin16-HVS. The CR510
and CR200-series do not support serial data input. See Appendix A for
information regarding the CR10X, CR23X, CR5000, CR9000(X) and SDMSIO4 applications.
The Garmin16-HVS includes the GPS receiver and antenna in the same
housing with one cable for the power supply and communications. The GPS
antenna must have a clear view of the sky. Generally the GPS antenna will not
work indoors.
The Garmin16-HVS is a 12-channel GPS receiver that supports FAA Wide
Area Augmentation System (WAAS) or RTCM differential GPS. Also
supported is the 1 Pulse Per Second (PPS) timing signal. The cable
connections provided with the Garmin16-HVS do not support differential GPS
correction. The cable can be modified by the user if differential correction is
required.
Wiring for the Garmin16-HVS can be done with or without the RJ45
connector. When shipped from Campbell Scientific, the Garmin16-HVS has
an RJ45 connector attached to the cable end. The Garmin16-HVS can be
purchased with an RJ45 adapter with flying leads, an RJ45 to DB9 RS-232
adapter, and a magnetic mount. TABLE 2-1 is the wiring description for the
RJ45 adapter with flying leads. To use TABLE 2-2, the RJ45 connector must
be cut off the cable.
If the Garmin16-HVS is to be connected to a computer for setups, an RJ45 to
DB9 adapter is needed.
1
Garmin 16-HVS GPS Receiver
TABLE 2-1. Wiring the RJ45 Connector with Flying Leads
GPS-Garmin16-HVS Datalogger Connection Function
Blue 12 volts Power
Orange Ground Power Ground
Black Ground Remote on/off
Green Data in RS232 TX out of GPS
Yellow None 1 Pulse Per Second
FIGURE 2-1. RJ45 with Flying Leads, Part Number 17217
FIGURE 2-2. CR1000 to GPS16-HVS Using the 17218 Adapter
2
Garmin 16-HVS GPS Receiver
TABLE 2-2. Wiring without the RJ45 Connector
TABLE 2-3. RJ45 to DB9 RS-232 Adapter
(Garmin Wiring)
GPS-Garmin16-HVS
Pin Color Function
1 Red Power in, 6.0 to 40 volts DC
2 Black Power ground
3 Yellow Remote power on/off switch, ground for on, float for off
4 Blue Port 1 Data in, RS232 or TTL levels OK
5 White Port 1 Data out, RS232 Levels
6 Gray PPS
7 Green Port 2 Data in, RS232 or TTL levels, DGPS input
8 Violet Port 2, Data out, RS232, reserved for future use
Pin Color Function
NA Red Power in, 12 volts
NA Black Ground
NA Yellow PPS
5 NA GPS, power and remote on/off ground
3 NA GPS data in
2 NA GPS data out
FIGURE 2-3. RJ45 to DB9 Serial Adapter, Part Number 17218
3
Garmin 16-HVS GPS Receiver
TABLE 3-1. NMEA $GPGGA String Definition
7
uu
Number of Satellites in Use
8
v.v
Horizontal Dilution of Precision (HDOP)
9
w.w
Antenna Altitude in Meters
10 M M = Meters
11
x.x
Geoidal Separation in Meters
12
M
M = Meters. Geoidal separation is the difference
13
y.y
Age of Differential GPS Data. Time in seconds since
3. GPS Data
$GPGGA,hhmmss,llll.lll,a,nnnnn.nnn,b,t,uu,v.v,w.w,M,x.x,M,y.y,zzzz*hh<CR><LF>
The Garmin16-HVS has several data formats available. The Garmin16-HVS is
configured to output the NMEA $GPGGA time and position string. It is
possible to configure the Garmin16-HVS to output other NMEA strings
including the $GPVTG track made good and ground speed string. See
Appendix D for details.
Sample NMEA $GPGGA data string:
Field Description
0 $GPGGA NMEA string identifier
1 hhmmss UTC of Position: Hours, minutes, seconds
2 1111.111 Latitude: Degrees, minutes, thousandths of minutes
3 a N (North) or S (South)
4 nnnnn.nnn Longitude: Degrees, minutes, thousandths of minutes
5 b E (East) or W (West)
6 t
GPS Quality Indicator: 0 = No GPS, 1 = GPS, 2 =
DGPS
14 zzzz Differential Reference Station ID (0000 to 1023)
15 * Asterisk, generally used as the termination character
16 hh Checksum
17 <CR><LF> Carriage return, line feed characters.
Sample $GPGGA output strings:
Cold Start
No satellites acquired, Real Time Clock and Almanac invalid:
$GPGGA,,,,,,0,00,,,,,,,*66
Warm Start
No satellites acquired, time from Real Time Clock, almanac valid:
$GPGGA,235032.0,,,,,0,00,,,,,,,*7D
4
between the WGS-84 earth ellipsoid and mean-sealevel.
the last Type 1 or 9 Update
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