Trimble Outdoors 64057-00-ENG - page 79

Trimble ThunderBolt E GPS Disciplined Clock User Guide 77

Trimble Standard Interface Protocol A

Report Packet 0x8F-A0: DAC Value

This packet is sent in response to packet 0x8E-A0.

Report Packet 0x8F-A0 Data Format

Report Packet 0x8F-A2: UTC/GPS Timing

This packet is sent in response to command packet 0x8E-A2. See the corresponding

command packet for information about the data format.

Report Packet 0x8F-A3: Oscillator Disciplining Command

This packet is sent in response to command packet 0x8E-A3. See the corresponding

command packet for information about the data format.

Report Packet 0x8F-A4: Test Modes

This packet is sent in response to command packet 0x8E-A4. See the corresponding

command packet for information about the data format.

Report Packet 0x8F-A5: Packet Broadcast Mask

This packet is sent in response to 0x8E-A5 command and describes which packets are

currently automatically broadcast. A '0' in a bit field turns off broadcast, and a '1' in a bit

field enables broadcast. See the corresponding command packet for information about

the data format.

Data field Description

DAC Value: The current numeric value of the DAC.

DAC Voltage The current output voltage of the DAC in Volts.

DAC Resolution The number of bits used in the DAC.

DAC Data Format The format of the DAC value.

Minimum DAC Voltage: The minimum (most negative) voltage that the

DAC can produce.

Maximum DAC Voltage: The maximum (most positive) voltage that the

DAC can produce

Byte Item Type Va lue Description

0Subcode UINT80xA0

1-4 DAC Value UINT32 Value

5-8 DAC Voltage Single Volts

9 DAC Resolution UINT8 Number of bits

10 DAC data format UINT8 0 Offset binary

1 2's complement

11-14 Min DAC voltage Single Volts

15-18 Max DAC voltage Single Volts

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