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Trimble Outdoors 64057-00-ENG 46 Trimble ThunderBolt E GPS Disciplined Clock User Guide

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A Trimble Standard Interface Protocol

46 Trimble ThunderBolt E GPS Disciplined Clock User Guide

•UTC (universal coordinated time)

Command Packet 0x37: Request Status and Values of Last PositionThis packet requests information regarding the last position fix (normally used when the GPS receiver is not automatically outputting fixes). The GPS receiver returns the position/ velocity auto packets specified in the 0x35 message as well as mess age 0x57. This packet contains no data.

Byte Data Type Bit Value Meaning Associated Packet

0Position00

1

ECEF off

ECEF on

0x42 or 0x83

10

1

LLA off

LLA on

0x4A or 0x84

20

1

HAE (datum)

MSL geoid1

1When using the MSL altitude output, the current datum must be set to WGS-84.

0x4A or 0x84

3 0 reserved

40

1

single-precision position

double-precision position

0x42/4A

0x83/84

5 0 Superpacket 0x8F-20 off

Superpacket 0x8F-20 on

0x8F-20

0x8F-20

5:7 0 reserved

1Velocity00

1

ECEF off

ECEF on

0x43

10

1

ENU off

ENU on

0x56

2:7 0 reserved

2Timing00

1

GPS time reference

UTC time reference

0x42, 0x43, 0x4A,

0x83, 0x84, 0x56

10

1

Compute fix ASAP

Compute fix on integer second

0x42, 0x43, 0x4A,

0x83, 0x84, 0x56

20

1

0x37Time of fix: when computed

0x37Time of fix: on request

0x37

30

1

Simultaneous meas. Status off

Simultaneous meas. Status on

40

1

Minimum projection off

Minimum projection on

5:7 0 reserved

3 Auxiliary 0 0

1

Raw measurement packet 5A off

Raw measurement packet 5A on

0x5A

10

1

Raw codephase measurements

Filtered codephase measurements

2:7 0 reserved

Contents

Main Page USER GUIDE 2 Trimble ThunderBolt E GPS Disciplined Clock User Guide Trimble ThunderBolt E GPS Disciplined Clock User Guide 3 Page Safety Information Warnings and Cautions C Operation and storage C AC adaptor safety An international adaptor kit is provided with the ThunderBolt E GPS disciplined clock. Contents 2 Setting up and Running the ThunderBolt E . . . . . . . . . . . . . . . . . . 13 Page Introduction Operation Features Hardware features Interface protocols Standard timing software features C Technical assistance Your comments Page Setting up and Running the ThunderBolt E System requirements Hardware Computer System software Installing and using the software B Trimble GPS Monitor C Page TSIP Page Page ThunderBolt E starter kit Setting up the ThunderBolt E Page Hardware Integration ThunderBolt E system architecture ThunderBolt E module Environmental specifications Trimble ThunderBolt E GPS Disciplined Clock User Guide 25 Hardware Integration 3 C Page Bullet antenna specifications Physical characteristics Environmental specifications Antenna cable Page I/O connector pin-out Power supply and connector Page Firmware Integration Firmware configuration Firmware upgrades Firmware features APPENDIX A Trimble Standard Interface Pr otocol Introduction Interface scope Automatic output packets Customizing operations parameters 36 Trimble ThunderBolt E GPS Disciplined Clock User Guide Packet I/O control (segment 4) Serial port configuration (segment 5) Accurate position (segment 7) Timing outputs (segment 6) Trimble ThunderBolt E GPS Disciplined Clock User Guide 37 Packets output at power-up Command packets: User to ThunderBolt E The following table summarizes the packets that can be sent to the ThunderBolt E by the user: 38 Trimble ThunderBolt E GPS Disciplined Clock User Guide Report packets: ThunderBolt E to User The following table summarizes the packets output by ThunderBolt E: Trimble ThunderBolt E GPS Disciplined Clock User Guide 39 Packet structure Packet descriptions Packet descriptions used in run mode Page Page Page Page 46 Trimble ThunderBolt E GPS Disciplined Clock User Guide Page Page Page Page C Page Page 54 Trimble ThunderBolt E GPS Disciplined Clock User Guide Report Packet 0x58 Almanac Data Type 2 Note All angles are in radians. Report Packet 0x58 Ionosphere Data Type 4 Report Packet 0x58 Almanac Health Data Type 3 Trimble ThunderBolt E GPS Disciplined Clock User Guide 55 Report Packet 0 x 58 UTC Data Type 5 (continued) Report Packet 0 x 58 Ephemeris Data Type 5 Page Page 58 Trimble ThunderBolt E GPS Disciplined Clock User Guide Page Page C 62 Trimble ThunderBolt E GPS Disciplined Clock User Guide Command Packet 0xBB Data Format (query only) Report Packet 0xBB Data Format C TSIP Superpackets Page Page Page Page Trimble ThunderBolt E GPS Disciplined Clock User Guide 69 Command Packet 0x8E-A4 Test Mode 0 Data Format Command Packet 0x8E-A4 Test 1 Mode 1Data Format Command Packet 0x8E-A4 Test Mode 3 Data Format Page Page 72 Trimble ThunderBolt E GPS Disciplined Clock User Guide Command Packet 0x8E-A8 Type 0 Data Format Command Packet 0x8E-A8 Type 1 Data Format Trimble ThunderBolt E GPS Disciplined Clock User Guide 73 Command Packet 0x8E-A8 Type 2 Data Format Command Packet 0x8E-A8 Type 3 Data Format 74 Trimble ThunderBolt E GPS Disciplined Clock User Guide Command Packet 8E-A9 Data Format Command Packet 0x8E-AB Data Format Page Page Page Page Page 80 Trimble ThunderBolt E GPS Disciplined Clock User Guide Report Packet 0x8F-AC Trimble ThunderBolt E GPS Disciplined Clock User Guide 81 82 Trimble ThunderBolt E GPS Disciplined Clock User Guide Page Page Page www.trimble.com