Deluo TRISTAR25 - Manual (Page 3)

Deluo Electronics http://www.deluo.com
3
1 INTRODUCTION ............................................................................................... 5
1.1 O VERVIEW ............................................................................................................. 5
1.2 F EATURES .............................................................................................................. 5
2 RECEIVER OPERATION ............................................................................... 6
3 HARDWARE INTERFACE ............................................................................. 7
3.1 RF C ONNECTOR .................................................................................................... 7
3.2 I NTERFACE C ONNECTOR ........................................................................................ 7
3.3 M ECHANICAL D IMENSIONS AND I NTERFACE C ONNECTOR ..................................... 8
3.4 I NTERFACE C ONNECTOR P IN O UT .......................................................................... 9
3.4.1 Molex Connector JP3 ........................................................................................ 9
3.4.2 Pin Header Connector JP2 .............................................................................. 10
3.5 O NE -P ULSE -P ER -S ECOND O UTPUT .......................................................................11
3.6 RTCM D IFFERENTIAL D ATA ................................................................................11
4 SOFTWARE INTERFACE ............................................................................ 12
4.1 NMEA OUTPUT MESSAGE SPECIFICATION .............................................. 12
4.1.1 NMEA Checksum Calculation .......................................................................... 12
4.1.2 GGA – Global Positioning System Fix Data ...................................................... 13
4.1.3 GLL – Geographic Position – Latitude / Longitude ........................................... 14
4.1.4 GSA – GNSS DOP and Active Satellites ............................................................ 15
4.1.5 GSV – GNSS Satellites in View ......................................................................... 16
4.1.6 RMC – Recommended Minimum Specific GNSS Data ........................................ 17
4.1.7 VTG – Course Over Ground and Ground Speed ................................................ 18
4.2 EVERMORE BINARY MESSAGE SPECIFICATION .................................... 19
4.2.1 Binary Input Messages .................................................................................... 21
4.2.1.1 EverMore Binary Input Message 0x80: Initialization .......................................... 21
4.2.1.2 EverMore Binary Input Message 0x81: Data Logging ......................................... 22
4.2.1.3 EverMore Binary Input Message 0x86: Set Elevation Mask ................................. 22
4.2.1.4 EverMore Binary Input Message 0x87: Set DOP Mask ....................................... 22
4.2.1.5 EverMore Binary Input Message 0x8F: Set Operating Mode ................................ 23
4.2.1.6 EverMore Binary Input Message 0x94: Differential GPS Control .......................... 24