Trimble Outdoors Part Number 45005-00-ENG manuals

320 pages1.66 Mb

2Timing and Synchronization Group
User Guide, part number 45005-00-ENG. It
5Contents
- About This Manual
- 1 Introduction
- 2 Getting Started
- 63 Acutime 2000 Installation
- 4 Acutime 2000 Connections
- 5 System Operation
- 76 NTP Software Installation and Configuration
- 8A Trimble Standard Interface Protocol
- 9B Timing Receiver Monitor
- C NMEA 0183
- D Specifications and Drawings
- E NTP Diagnostics and Debugging
- 10F Theory of Operation
- Glossary Index
11List of Figures
13List of Tables
19About This Manual
!
- Scope and Audience
- 20Organization
- 21Reader Feedback
- 22Related Information
  - Technical Assistance
- 23Abbreviations
- Document Conventions
251 Introduction
- 1.1 Overview
- 261.2 Acutime 2000 GPS Smart Antenna Features
- 271
- 281.3 Starter Kit
292 Getting Started
!
- 312 2.2 Connecting the Computer and Power Source
  - PC
- 353
- 3.2 Mounting the Smart Antenna
36"
- 3 3.3 Routing and Securing the Interface Cable
37!
- 404.1 Interface and Power Connections
  - Acutime 2000 Synchronization Kit User Guide 4-3
  - 41Figure 4-2 illustrates the pin arrangement for this connector.
  - Figure 4-2 Acutime 2000 12-pin Connector format
- 424.2 Interface Cables and Connectors
  - 434.2.1 Pin-Outs
44!
- Table 4-3 Acutime 2000 RS-232 Cable Pin-Out
- 4.3 Connection Instructions
  - 4.3.1 Power Connection (Red and Black Wires)
45#
!
- 4.3.2 Timing Pulse Connections
- 464.3.3 Serial Port Connections
- 474.3.4 Event Input
495 System Operation
- 5.1 Start-Up
!
- 505.2 Automatic Operation
  - 5.2.1 Satellite Masks
51!
- 5.2.2 Tracking Modes
52!
- 5.2.3 PPS Output Options
54!
- 555.2.4 PPS Quantization Error
- 575.2.5 External Event Input
- 5.2.6 Cable Delay Compensation
- 585.3 Serial Data Communication
  - 5.3.1 Port B
  - 5.3.2 Port A (Timing)
- 605.4 GPS Timing
  - 615.4.1 Timing Operation
62!
- 5.5 Using the Acutime 2000 in Mobile Applications
63!
- 645.6 Customizing Acutime 2000 Operations
  - 65Table 5-2 Receiver Configuration (segment 2)
  - Table 5-3 OEM Configuration (segment 3)
  - 66Table 5-4 Port A and B Configuration (segment 4)
  - Table 5-5 PPS Configuration (segment 5)
  - Table 5-6 Position Information (segment 6)
696 NTP Software Installation and Configuration
- 6.1 Network Time Protocol
70!
- 6.1.1 NTP Time Servers
- 716.2 Software Sources and Compatibility
  - 6.2.1 Installation Support
- 726.3 Pre-Installation Check List
  - 6.3.1 GPS Preparation
73!
- 746.3.2 Host System Preparation
- 6.4 Time Transfer Cable Connection
76!
- 6.5.1 NTP Configuration File
79!
- 806.5.2 Acutime Configuration
- 816.5.3 Network Server Selection
- 6.6 Windows NT Installation
83!
- 846.6.1 Automatic Installation
- 856.6.2 Manual Installation
86!
107A Trimble Standard Interface Protocol
- A.1 Interface Scope
  - A.1.1 Packet Structure
108!
- 109A.2 Physical Interface Characteristics
  - 110A.2.1 Nomenclature
  - A.2.2 Protocol Capabilities
  - A.2.3 Event Input
- 112A.3 Packets Output at Power-Up
- 113A.4 Receiver Warm Start
- 114A.5 Default Background Packets for Acutime 2000
115!
- A.8 Low-Latency Timing Packets
116!
- 117A.9 Event Packets
- A.10 Satellite Data Packets
- 118A.11 Customizing Receiver Operations
  - 119The following packets let you customize receiver operations. Table A-13 Advanced Packets
- 120A.12 Command Packets Sent to the Receiver
  - 121Table A-14 Command Packets Sent to the Receiver (Continued)
- 122A.13 Report Packets Sent by the GPS Rec eiver to the User
  - 123Table A-15 Report Packets Sent by GPS Receiver to User (Continued)
- A.14 Packet Structure
  - <DLE> <id> <data string bytes> <DLE> <ETX>
125!
- A.15 Packet Descriptions
- 0x1D
  - Oscillator Offset
126!
- 0x1E
  - Initiate Cold or Factory Reset
127"
- 0x1F
  - Software Versions Request
- 1280x20
  - Almanac Request
- 0x21
  - Current Time Request
- 0x23
  - Initial Position (XYZ Cartesian ECEF) Command
- 0x24
  - GPS Receiver Position Fix Mode Request
- 0x25
  - Initiate Soft Reset / Self Test Command
129!
- 0x26
  - Health Request
- 1300x27
  - Signal Levels Request
- 0x28
  - GPS System Message Request
- 0x29
  - Almanac Health Page Request
- 0x2A
  - Altitude for 2-D Mode Command
131!
- 1320x2B
  - Initial Position (Latitude, Longitude, Altitude) Command
- 0x2D
  - Oscillator Offset Request
- 1330x2E
  - GPS Time Command
- 0x2F
  - UTC Parameters Request
- 0x31
  - Accurate Initial Position (XYZ Cartesian ECEF) Command
- 1350x32
  - Accurate Initial Position (Latitude, Longitude, Altitude) Command
- 0x34
  - Satellite Number For One-Satellite Mode Command
- 1360x35
  - I/O Option Flags Command
    - 137Table A-22 Command Packet 35
- 0x37
  - Last Position and Velocity Request
- 0x38
  - Download and UpLoad Satellite System Data
141"
- 142Table A-23 Command Packet 38
- 0x39
  - Satellite Attribute Database Command
143"
- 1440x3A
  - Last Raw Measurement Request
- 0x3B
  - Satellite Ephemeris Status Request
- 1450x3C
  - Satellite Tracking Status Request
- 1460x3D
  - Timing Port Configuration Command
- 0x3F-11
  - EEPROM Segment Commands
- 0x40
  - Almanac Data Page Report
- 0x41
  - GPS Time Report
147!
148"
!
- 1490x42
  - Single-Precision Position Fix, XYZ ECEF Report
- 1500x43
  - Velocity Fix, XYZ ECEF Report
- 1510x45
  - Software Version Information Report
- 1520x46
  - Health of Receiver Report
    - 153Table A-36 Report Packet 46
- 1540x47
  - Signal Levels for all Satellites Report
- 0x48
  - GPS System Message Report
- 1550x49
  - Almanac Health Page Report
- 0x4A
  - Reference Altitude or Single-Precision LLA Position Fix Report
156"
- 1570x4B
  - Machine/Code ID and Additional Status Report
- 1580x4C
  - Operating Parameters Report
- 1590x4D
  - Oscillator Offset
- 0x4E
  - GPS Time Change Acknowledgment
- 1600x4F
  - UTC Parameters Report
- 0x54
  - Bias and Bias Rate Report
161"
- 0x55
  - I/O Option Flags Report
- 1620x56
  - Velocity Fix, East-North-Up (ENU) Report
- 1630x57
  - Information About Last Computed Fix Report
- 1640x58
  - Satellite System Data/Acknowledge from Receiver
    - 165Table A-50 Report Packet 58 ALMANAC Data Report
    - 166Table A-51 Report Packet 58 ALMANAC HEALTH Data Report
    - Table A-52 Report Packet 58 IONOSPHERE Data Report
    - 167Table A-53 Report Packet 58 UTC Data Report
    - Table A-54 Report Packet 58 EPHEMERIS Data Report
    - 168Table A-54 Report Packet 58 EPHEMERIS Data Report (Continued)
- 0x59
  - Satellite Attributes Database Report
169!
- 0x5A
  - Raw Measurement Data Report
170!
- 1720x5B
  - Satellite Ephemeris Status Report
- 1740x5C
  - Satellite Tracking Status Report
  - (
  - <
    - 175Table A-58 Report Packet 5C (Continued)
- 1760x5F-11
  - EEPROM Segment Status Reports
- 1770x60
  - Type 1 Differential GPS Corrections
- 1790x61
  - Set Differential GPS Corrections
- 1800x6D
  - All-In-View Satellite Selection Report
- 1810x7A
  - Set or Request NMEA Interval and Message Mask
- 1820x7B
  - NMEA Message Output
- 0x83
  - Double-precision XYZ Position Fix And Bias Information
- 0x84
183"
- 1840xBB
  - Set Primary Receiver Configuration
187!
- 188Table A-69 Command Packet BB (Continued)
- 1890xBB
  - Report Receiver Configuration
- 0xBC
  - Set Port Configuration Parameters
- 1900xBC
  - Request Port Configuration Parameters
    - Table A-70 Command Packet BC (Continued)
- 1920x8E-0B
  - Request or Configure Super Packet Output
- 1930x8E-14
  - Set New Datum
194"
- 0x8E-15
  - Request Current Datum Values
- 0x8E-20
  - Request Last Fix with Extra Information
195!
- 0x8E-26
  - Write Receiver Configuration to EEPROM
- 0x8E-41
  - Manufacturing Operating Parameters
- 1960x8E-42
  - Production Parameters
- 0x8E-45
  - Revert Segments to Default Settings
- 1970x8E-4A
  - Set/Request PPS Characteristics
- 1980x8E-4D
  - Automatic Packet Output Mask
- 2000x8E-4E
  - Set PPS Output Option
    - Table A-77 Command Packet 8E-4D - Packets Affected By Bits
- 2010x8E-4F
  - Set PPS Width
- 0x8E-A5
  - Set or Request Packet Broadcast Mask
    - 203Table A-80 Command Packet 8E-A5
- 2040x8E-A6
  - Issue Self-Survey Command
- 0x8E-A9
  - Set Self-Survey Parameters
205!
- 2060x8E-AB
  - Request Primary Timing Packet
- 2070x8E-AC
  - Request Supplemental Timing Packet
- 2090x8F-0B
  - Comprehensive Time
210!
- 0x8F-14
  - Current Datum Values
211!
- 21200x8F-20
  - Last Fix with Extra Information (binary fixed point)
    - 213Table A-88 Report Packet 8F-20
    - Table A-87 Report Packet 8F-20 (Continued)
- 2140x8F-26
  - Response to Save EEPROM Segments
- 2150x8F-41
  - Manufacturing Parameters
- 2160x8F-42
  - Production Parameters
- 0x8F-45
- 2170x8E-AD
  - Request or Configure Super Packet Output
- 2180x8F-4A
  - PPS Characteristics
- 2190x8F-4D
  - Automatic Packet Output Mask
- 2200x8F-4E
- 0x8F-A5
- 2210x8F-A6
- 0x8F-A9
- 0x8F-AB
  - 223Table A-96 Report Packet 0x8F-AB
- 2240x8F-AC
  - 227The table below identifies the fields associated with packet 8F-AC. Table A-97 Report Packet 8F-AC
  - 228Table A-97 Report Packet 8F-AC (Continued)
- 2290x8F-AD
  - Primary UTC Time
    - A-126 Acutime 2000 Synchronization Kit User Guide
  - 232A.18 Datums
    - The table on the following pages lists datums. Table A-101 Datums
  - 240A.19 Sample TSIP Routines
    - 241Acutime 2000 Synchronization Kit User Guide A-135
    - 243Acutime 2000 Synchronization Kit User Guide A-137
245B Timing Receiver Monitor
- B.1 Start-Up
247C NMEA 0183
- 248C.1 The NMEA 0183 Communication Interface
- C.2 NMEA 0183 Message Format
- C.3 NMEA 0183 Message Options
250!
#
- 251C.4 NMEA 0183 Message Formats
  - C.4.1 GGA GPS Fix Data
  - 252C.4.2 GLL Geographic Position Latitude/Longitude
  - 253C.4.3 GSA GPS DOP and Active Satellites
  - 254C.4.4 GSV GPS Satellites in View
  - 255C.4.5 RMC Recommended Minimum Specific GPS/Transit Data
  - 256C.4.6 VTG Track Made Good and Ground Speed
  - C.4.7 ZDA Time & Date
257!
"
!
- Table C-9 ZDA Time & Date Message Parameters
- 259D Specifications and Drawings
- !
  - D.1 Acutime 2000 GPS Smart Antenna Specifications
    - 260Table D-2 Environmental Specifications
    - Table D-3 Performance Specifications
  - 261D
    - Table D-3 Performance Specifications (Continued)
    - Table D-4 Electrical Specifications
    - 262Table D-5 Serial Protocols
      - D-6
      - Specifications and Drawings D
        Part Number/Rev Level Label
        Wires
    - Figure D-1 Acutime 2000 Standard Interface Cable
      - Color
      - Pin #
      - Signal RS232
      - Signal RS422
    - 26450' 6"
      - 1.6"0.1" REF 4.0" 1.0"
      - Pin 10 Pin 1 Pin 9 Pin 12 Pin 5
    - 269E.1.2 Error Log Entries
  - 274E.2 Running NTP in Debug Mode
- 276!
  - 277E.2.3 Acutime is not Responding
  - E.2.4 Running NTP with Event Polling Disabled
- 278!
  - 281E.2.5 Incorrect Port and Bad Data
  - 282E.2.6 Serial Port is Unavailable
  - 283E.3 Compiling the NTP Distribution
  - 287E.4 Windows NT Administration
    - E.4.1 Controlling the NTP Service
    - E.4.2 Removing the NTP Service
- 291F Theory of Operation
  - 292F.1 GPS Satellite Message
  - 293F.2 Satellite Acquisition and Time to First Fix
    - F.2.1 Cold Start
    - 294F.2.2 Warm Start
    - 295F.2.3 "Garage Search" Strategy
    - F.2.4 Hot Start
  - 296F.3 Position Accuracy
    - F.3.1 Selective Availability (S/A)
  - 297F.4 Coordinate Systems
    - F.4 .1 T SI P
    - F.4.2 NMEA 0183
  - 298F.5 Performance Characteristics
    - F.5.1 Update Rate
    - F.5.2 Dyn amic Limits
    - F.5.3 Re-Acquisition
  - 300F.6 System Architecture
    - Acutime 2000 Synchronization Kit User Guide F-11
    - 301Figure F-1 Acutime 2000 Block Diagram (RS-232 Version)
    - Figure F-2 Acutime 2000 Block Diagram (RS-422 Version)
- 303Glossary
- 315Index
  - A
  - C
  - D
  - 316E
  - G
  - H
  - I
  - M
  - N
  - O
  - P
  - 317R
  - S
  - T
  - 318U
  - W
  - 319Reader Comment Form