Trimble Outdoors 64057-00-ENG Manuel d'utilisateur télécharger pdf (Page 84)

A Trimble Standard Interface Protocol

82 Trimble ThunderBolt E GPS Disciplined Clock User Guide

5 Not used

6 Disciplining Disabled

3 Self-Survey Progress UINT8 0-100%

4-7 Holdover Duration UINT32 0 Seconds

8-9 Critical Alarms UINT16 Bit field Bit 4: DAC at rail

10-11 Minor Alarms UINT16 Bit field Bit 0: DAC near rail

Bit 1: Antenna open

Bit 2: Antenna shorted

Bit 3: Not tracking satellites

Bit 4: Not disciplining oscillator

Bit 5: Survey-in progress

Bit 6: No stored position

Bit 7: Leap second pending

Bit 8: In test mode

Bit 9: Position is questionable

Bit 10: Not used

Bit 11: Almanac not complete

Bit 12: PPS not generated

12 GPS Decoding Status UINT8 0x00 Doing fixes

0x01 Don't have GPS time

0x03 PDOP is too high

0x08 No usable sats

0x09 Only 1 usable sat

0x0A Only 2 usable sats

0x0B Only 3 usable sats

0x0C The chosen sat is unusable

0x10 TRAIM rejected the fix

13 Disciplining Activity UINT8 0 Phase locking

1 Oscillator warm-up

2 Frequency locking

3 Placing PPS

4 Initializing loop filter

5 Compensating OCXO (holdover)

6Inactive

7 Not used

8 Recovery mode

9 Calibration/control voltage

14 Spare Status 1 UINT8 0

15 Spare Status 2 UINT8 0

16-19 PPS Offset Single ns

20-23 Clock Offset Single ppb

24-27 DAC Value UINT32

Byte Item Type Value Description

1 2 ... 79 80 81 82 83 84 85 86 87 88

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Trimble Outdoors 64057-00-ENG Manuel d'utilisateur Page 84

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