Trimble Outdoors 64057-00-ENG manual

U S E R GU I D E T rimble ® ThunderBolt ® E GPS Disciplined Clock[...]

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Ve r s i o n 1 . 0 Revision A Part Number 64 057-00-ENG August 2007 F USER GUIDE Tr i m b l e ® ThunderBolt ® E GPS Disciplined Clock[...]

2 T rimble T hunderBolt E GPS Disciplined Cloc k User Guide Corporate Office T rimble Navig ation Limited Advanced Devices Group 935 Stewart Drive Sunnyvale, CA 94085 USA +1-800-787-4225 ( toll free in USA) +1-408-481-7741 timing@trimble.com www .trimble.com Legal Notice s Copyright and T rademarks © 1998 - 2007, T rimble Na vigation Limi ted .T r[...]

T rimble ThunderBolt E GPS Disciplined Clock User Guide 3 ALLO W THE EXCL USION OR LIMIT ATI ON OF LIABIL IT Y FOR CON SEQUENTIAL OR INC IDENTA L DAMAGES, THE ABOVE LIMIT A TION MA Y NOT APPL Y TO YOU . PLEASE NOTE: THE ABOVE TR IMBLE LIMITED W ARRANTY PROV ISIONS WILL NOT APP L Y TO PRODUCTS PU RCHASED IN THOSE JUR ISDICTIONS (E.G., MEMBER ST A TE[...]

4 T rimble T hunderBolt E GPS Disciplined Cloc k User Guide[...]

T rimble T hunderBolt E GPS Dis ciplined Clock User Guide 5 Safety Information W arnings and Cautions An absence of specific aler ts does not m ean that there are no safet y ri sks involved . Always follow the instru ctions that acc ompany a W arning or Caution . Th e information they provi de is int ended to minimize th e risk of personal injur y [...]

Safety Information 6 T rimble ThunderBolt E GPS Disciplined Clock User Guide A C adaptor safety An international adaptor kit i s provided w i th the ThunderB olt E GPS disciplin ed clock. C WAR NI NG – Using an inc orrect AC adaptor can dama ge your product and may void your warranty . T o use AC adaptors safely: – Use only the AC adaptor in te[...]

T rimble T hunderBolt E GPS Dis ciplined Clock User Guide 7 Contents Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 W arnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Operation and storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Contents 8 T rimble ThunderBolt E GPS Disciplined Clock User Guide 4 Firmware Integr ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Fi rmware configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 F irmwar e upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

CHAPTER 1 T rimble ThunderBolt E GPS Disciplined Clock User Guide 9 Intr oduction 1 In this chapter: Q Operation Q Features Q Starter kit Q Use and care Q T echnical assistance Q T echnical assistance Q Y our comments W elc ome to the T rimble ThunderB olt E GPS Di sciplined Clock User Gu id e. The user gui de descri bes how to instal l, set up, an[...]

1 Introduction 10 T rimble ThunderBolt E GPS Disciplined Clock User Guide Oper ation The Thun derB olt E GPS di scip lined clo ck prov ide s time and frequen cy throu gh a 12-channel GPS receiver and a high-qual ity ovenized quar tz oscill ator integrated onto a single printed circu it board. Tightl y integrating GPS into t he clo ck design el imin[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 11 Introduction 1 supports multiple commands and their as so ciated response packets for u se in configuring th e ThunderBo lt E to meet y our requir ements. See Appendix A, T rimble Standard Interface Proto col . Standard timing softwar e features • Automatic self-sur vey • Signal integ[...]

1 Introduction 12 T rimble ThunderBolt E GPS Disciplined Clock User Guide[...]

CHAPTER 2 T rimble T hunder Bolt E GPS Disciplined Clock User Guide 13 Setting up and Running the ThunderBolt E 2 In this chapter: Q System requirements Q Installing and using the software Q ThunderBolt E starter kit Q Setting up the ThunderBolt E T rimble recomm ends that you install th e T rimble GPS M onitor softwar e before set ting up the Thun[...]

2 Setting up and Running the ThunderBolt E 14 T rimble ThunderBolt E GPS Disciplined Clock User Guide System r equirements Hardware • F or ev aluation or engineering pur poses: – The T rimble ThunderBolt E GPS disciplin ed clock starter kit, see page 20 . – U ser-provide d connect ors an d extensio n cords t o connect t he ThunderBolt E mo du[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 15 Setting up and Running the ThunderBolt E 2 Installing and using the software All soft ware programs for the ThunderBolt E are available onlin e from the T rimble website at www .trimble.com/timing. shtml. Th ese programs enable you to monitor the ThunderB olt E and change its configuratio[...]

2 Setting up and Running the ThunderBolt E 16 T rimble ThunderBolt E GPS Disciplined Clock User Guide T o vie w the Timing Receiver Status and Control information , select Win dow /R ec eiv er Sta tu s: 4. T o specify t he c ommun ications port an d protocol for your office compute r , right-click in the b ottom right of the Tr i m b l e G P S Mo n[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 17 Setting up and Running the ThunderBolt E 2 8. The ThunderB olt E automatically begins its se lf-sur vey . W hen thi s is complete and the receiver achieves a position fix, th e follow ing informat ion appears in th e soft ware: – posi tion – time – satellit es tracked – GPS re cei[...]

2 Setting up and Running the ThunderBolt E 18 T rimble ThunderBolt E GPS Disciplined Clock User Guide Timing information Packet 0x8F-AB (primar y timin g informat ion) and packet 0x8F-AC ( supplemental timing information) contain mo st of the information that you need to monitor the ThunderBo lt E. In the default configuration , these packets are b[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 19 Setting up and Running the ThunderBolt E 2 If the host has not uploaded a reference position, or i f the module has b een moved more than one to t wo ki lometers since its l ast position, th e GPS module automatical ly conducts a p osition surv ey at startup. By default, the GP S module a[...]

2 Setting up and Running the ThunderBolt E 20 T rimble ThunderBolt E GPS Disciplined Clock User Guide ThunderBolt E starter kit T rimble Bullet antenna 75 feet of Belden RG-6 cable, terminated with TNC Power converter (24 VDC AC/DC) ThunderBo lt E module BNC-m / TNC-f connector Power cable Power pin adapters connectors at both ends (5 V with TNC co[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 21 Setting up and Running the ThunderBolt E 2 Setting up the ThunderBolt E Note – Y ou can e ither se t up the star ter kit te mpor arily fo r testing o r eval uation p urposes, or embed it permanently into your system . The procedure is l argely the same. 1. Connect the male connector of [...]

2 Setting up and Running the ThunderBolt E 22 T rimble ThunderBolt E GPS Disciplined Clock User Guide Once the ThunderBolt E has warmed up and acquired s atellites it per forms a self-surve y : I f at least on e satellite i s currentl y available, it w ill output 1 PPS and 10 MHz data to the T rimble GPS Monitor soft ware, see page 15 . The complet[...]

CHAPTER 3 T rimble T hunder Bolt E GPS Disciplined Clock User Guide 23 Har dware Integr ation 3 In this chapter: Q ThunderBolt E system architecture Q ThunderBolt E module Q Bullet an tenna specifications Q Antenna cable Q I/O connector pin-out Q Power supply and connector The setup procedures for the ThunderB olt E GPS disciplined clock are descri[...]

3 Hardware Integration 24 T rimble ThunderBolt E GPS Disciplined Clock User Guide ThunderBolt E system ar chitecture ThunderBolt E module The Thun derB olt E consi sts of a board m oun ted inside an alumin um case. The board contain s the par ts for power regulation, a GPS receiver , an o scillator , and di sciplining circuitry . Environmental spec[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 25 Hardware Integration 3 Performance specifications Physical character istics The modul e dimensions of the ThunderBolt E are shown overleaf. C CAUTION – When permanently mounting the Thun derBolt E onto a plate, you mu st consider the length of the screw and the thic kness of plate so th[...]

3 Hardware Integration 26 T rimble ThunderBolt E GPS Disciplined Clock User Guide Figure 3.1 ThunderBolt E mechanical specification[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 27 Hardware Integration 3 Bullet antenna specifications T o downloa d full specifications of the Bullet antenna , as well as ordering information , please go to the T rimble website. Physical character istics Note – The Bullet II I mounting thread is a 3/4 " NPT thread, dimens ions in[...]

3 Hardware Integration 28 T rimble ThunderBolt E GPS Disciplined Clock User Guide In cases where the di stance between the Bullet and the ThunderBo lt E is excessive ( for example w hen the lo ss exceeds 18 dB), an inline amplifier is n ecessar y . The fo llowin g tabl e show s the l oss relationships: In cases wh ere the run leng th is such that t[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 29 Hardware Integration 3 I/O connector pin-out The RS-232 ser ial port uses a DB- 9 connector . This configur ation supports co nnections to the R S-232 serial por t on a comput er . Th e pinout functions are as fo llows. P ower supply and connector The Thun derB olt E star ter kit includ e[...]

3 Hardware Integration 30 T rimble ThunderBolt E GPS Disciplined Clock User Guide[...]

CHAPTER 4 T rimble T hunder Bolt E GPS Disciplined Clock User Guide 31 Firmwar e Integr ation 4 In this chapter: Q Firmware configuration Q Firmware upgrades Q Firmware features This section wi ll help a d eveloper to und erstand the structure o f the ThunderBolt E f irmwar e.[...]

4 F irmware Integration 32 T rimble ThunderBolt E GPS Disciplined Clock User Guide Firmwar e configuration The Th underBolt E maintains its co nfiguratio n par a meters in a non-vo latile m emory dev ice (EEPROM). I n the EEPROM, related configuration par amet ers ar e grouped together and stor ed in an area known as a “ segment”. Th ere ar e s[...]

APPENDIX A T rimble T hunder Bolt E GPS Disciplined Clock User Guide 33 T r imble Standard Interface Pr otocol A In this appendix: Q Introduction Q Packet structure Q Packet descripti ons The T rimble Standard Interface P rotoco l (TSIP) may be characteri zed as a set of dat a packets used to transmi t information to and r e ceive information from [...]

A T rimble Standard Interface Pr otocol 34 T rimble ThunderBolt E GPS Disciplined Clock User Guide Intr oduction TSIP is a powerful and compact in ter face pr otocol which has been designed to allow the system de veloper a g rea t deal of f l exibility in interfacin g to a T rimble product. Man y TSIP d ata packets ar e common to al l pro ducts whi[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 35 T rimble Standard Interface Protocol A Customizing operations par ameters Thunderbolt E provide s a number of user-confi gura ble paramet ers that enables the user to customize its op eration. The se parameters are stored in NVS memor y to be re tained during loss o f power and through r [...]

A T rimble Standard Interface Pr otocol 36 T rimble ThunderBolt E GPS Disciplined Clock User Guide Pa cket I/O control (segment 4) Seria l port configur ation (segme nt 5) Timing outputs (segment 6) Accurate position (segment 7) Parameter Factory Default Set Request Report Packet broadcast mask Mask 0 Mask 1 0x05 0x00 0x8E-A5 0x8E-A5 0x8E-A5 Packet[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 37 T rimble Standard Interface Protocol A Self-survey (segment 8) Oscillator disciplining (segment 9) P ackets output at powe r-up After completing its self-diagno stics, Th underBolt E automatically outputs packet 0x45 (Soft ware vers ion), Command packets: User to T hunderBolt E The fol lo[...]

A T rimble Standard Interface Pr otocol 38 T rimble ThunderBolt E GPS Disciplined Clock User Guide Report packets: ThunderBolt E to User The fol lowing t able summarizes th e packets output by ThunderBo lt E: 0x34 Set satellite selectio n for one-satellite mode -- 0x35 Set/request I/O options 0x55 0x37 Request sta tus and value of last position and[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 39 T rimble Standard Interface Protocol A 0x47 Signal level for all satellites 0x27, auto 0x49 Almanac health 0x29 0x4A Single-precision LLA posi tion 0x37, auto 0x4B Recei ver health 0x26, auto 0x55 I/O options 0x35 0x56 V elocity fix (ENU) 0x37, auto 0x57 Information about la st compute d [...]

A T rimble Standard Interface Pr otocol 40 T rimble ThunderBolt E GPS Disciplined Clock User Guide P acket structur e TSIP packet struct ure is the sam e for both command s and r ep orts. The packet format is <DLE> <id> <dat a string bytes > <DLE > <ETX> Whe r e: • <DLE> is th e byte 0x10 • <ETX> is th [...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 41 T rimble Standard Interface Protocol A P acket descriptions P acket descriptions used in run mode Report packet 0X13 unparsable packet This packet i s sent in res ponse to a received packet that was unparsable. A packet is unparsable if the packet ID is not recogni zed or if the len gth o[...]

A T rimble Standard Interface Pr otocol 42 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command packet 0x1C: 03 - Hardware component version information • The command packet 0x1C: 03 ma y be issued to obtain th e hardwar e componen t versio n informat ion. • The r eport pack et is o f variable length, depending on the length of the h[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 43 T rimble Standard Interface Protocol A Command P acket 0x1E: Initiate Cold, Warm, or Factory Reset This pa cket commands receiver to perform either a c old reset, warm reset or a factory reset. A cold reset will cl ear the GPS d ata ( almanac, ep hemeri s, etc.) stored in RA M and is equi[...]

A T rimble Standard Interface Pr otocol 44 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command Packet 0x31: Accur ate Init ial Pos ition (XYZ Cartesian ECEF ) This packet provides an accurate initial position to the GPS receiver in X Y Z coordinat es. Eith er the sin gle precision or th e doubl e precision v ersion of this packet may be[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 45 T rimble Standard Interface Protocol A Command Packet 0x32 Data Format (single pr ecision) Command P acket 0x32 Data Format (double precision) Command Packe t 0x34: Satellite Se lec tion For On e-Satellite Mo de This packet allows the user to control th e choi ce of the sat ellite to be u[...]

A T rimble Standard Interface Pr otocol 46 T rimble ThunderBolt E GPS Disciplined Clock User Guide • UTC ( unive rsal coo rdina ted time ) Command P acket 0x37: Request Status and V a lues of Last P osition This p acket requests information regar ding the last position fix (normal ly used when the GPS receiver is not automatical ly out putting fi[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 47 T rimble Standard Interface Protocol A Command Packet 0x38: Re quest Satellite System Data This pa cket r equests current satellite data .The GPS receiver ret urns packet 0x58. Command Packet 0x39: Set or Requ est SV Disable and Health Use Normally the GPS receiver selects only healthy sa[...]

A T rimble Standard Interface Pr otocol 48 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command Packe t 0x3A: Request Last Raw Measur ement This packet requests the most recent r aw measurement data for one specif ied satellite. The GPS receiver re turns packet 0x5A if data is available. Command P acket 0x3B: Request Ephemeris Status Thi[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 49 T rimble Standard Interface Protocol A Report P acket 0x42: Single-precision P osition Fix This pa cket provide s current GPS position fix in XYZ ECEF c oordinates . If t h e I/O "position " option is set to "XYZ EC EF" and the I/O "Precision-o f-Position out put&[...]

A T rimble Standard Interface Pr otocol 50 T rimble ThunderBolt E GPS Disciplined Clock User Guide Note – By tes 0 through 4 are part of the appli cation layer of t he f irmware, while byt es 5 thro ugh 9 are part of the GPS core layer of the firmw are. Report P acket 0x46: Receiver Health This packet provi des receiver health status. The r eceiv[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 51 T rimble Standard Interface Protocol A Report P acket 0x49: Almanac Health Th i s p a ck e t p r o v i d e s h ea lt h d at a o n 32 s a t e l li t e s . Pa c k et d a t a c o n s i st s of a d at a b y t e fo r each of 32 satellit es, each data by te c ontaining the 6-bit h ealth from al[...]

A T rimble Standard Interface Pr otocol 52 T rimble ThunderBolt E GPS Disciplined Clock User Guide Report P acket 0x4B: Receiver Health This p acket provide s receiver health status. Report P acket 0x55: I/O Options This p acket pro vide s the current I/O option st ates in response to packet 0x35 requ est. The data format i s the same as for p acke[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 53 T rimble Standard Interface Protocol A Report P acket 0x57: Informat ion about Last Computed Fix This packet provide s information concerning the tim e and origin of the previous position fix. Th e recei ver send s this packet , among others, in resp onse to p acket 0x37. The data format [...]

A T rimble Standard Interface Pr otocol 54 T rimble ThunderBolt E GPS Disciplined Clock User Guide Report P acket 0x58 Almanac Data T ype 2 Note – All angl es are in radians. Report P acket 0x58 Almanac Heal th Data T ype 3 Report P acket 0x58 Ionosphere Data T ype 4 Byte Item Ty p e Va l u e Mean ing 4 T oa (raw) UINT8 T able 2.8 5 SV_HEAL TH UI[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 55 T rimble Standard Interface Protocol A Report P acket 0 x 58 UTC Data T ype 5 (continued) Report P acket 0 x 58 Ephemeris Data T ype 5 32-35 b1 Single Sec 2.4.5.6 36-39 b2 Single Sec 2.4.5.6 40-43 b3 Single Sec 2.4.5.6 Byte Item Ty p e Meaning 4-16 not used 17-24 A0 Double Sec 2.4.5.5 25-[...]

A T rimble Standard Interface Pr otocol 56 T rimble ThunderBolt E GPS Disciplined Clock User Guide Note – All angles are in radians. R eference numbers r efer to Global Positioning S ystem Standar d Posi tioni ng Ser vice Signal Specificat ion . This spec ification is c urrent ly available in Adobe Acrobat fo rmat at www. navcen.u scg. gov/pubs/g[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 57 T rimble Standard Interface Protocol A Note – Th e sample length is the number of milliseconds over which the sampl e was averaged . Note – Th e code phas e value is th e aver age d elay over the sample inter val of the received C/A code, and is mea sur ed w ith r espect to the receiv[...]

A T rimble Standard Interface Pr otocol 58 T rimble ThunderBolt E GPS Disciplined Clock User Guide 2 acquisition flag UN IT 8 0 Never acquired 1A c q u i r e d 2 Re-opened search 3 ephemeris flag UNIT8 0 Flag not set >0 Good ephemeris 4-7 signal level Single AMU or dBHz 8-11 time of last measurement Single secs GPS time of week 12-15 elevation a[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 59 T rimble Standard Interface Protocol A Report Pa cket 0x5F-11: EEPROM Segment Status The receiver sends this packet in response to command pack et 0x3F-11. T his packet contain s the status of all EEPROM segments: • A zero in the status bit indicates that th e segment cont ents are vali[...]

A T rimble Standard Interface Pr otocol 60 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command P acket 0x70: Filter Configuration This p acket provid es control for the availabl e filt ers. The P V filt er smoothe s position data w hen th e antenna is mov ing and attempts to reduce the effe cts of position distur banc es, which in clude[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 61 T rimble Standard Interface Protocol A Report P acket 0x83: Double Precision XYZ This pa cket provide s current GPS position fix in XYZ ECEF c oordinates . If t h e I/O "position " option i s set to "X YZ ECEF" and the I/O double position option is selected , the recei[...]

A T rimble Standard Interface Pr otocol 62 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command P acket 0xBB: Set Receiver Configuration In quer y mod e, packet 0xBB is sent with a singl e data by te and returns repor t packet 0xBB in the format shown below . Command Packet 0xBB Data For mat (qu ery only ) TSIP packet 0xBB is used to set[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 63 T rimble Standard Interface Protocol A C CAUTION – The operatio n of ThunderBol t E can be af fected adversely if incorrect data is entered in the fields asso ciated with packet 0xBB. Note – W h e n se n d i ng p a c k et 0 x BB , f i e l d s t h a t ar e sp e c i f i e d a s " d[...]

A T rimble Standard Interface Pr otocol 64 T rimble ThunderBolt E GPS Disciplined Clock User Guide TSIP Superpackets Sever al pack ets ha ve been adde d to the cor e TSIP pro tocol to pr ovide addit ional capabilit y for th e receivers. I n pa ckets 0x8E and their 0x8F responses, the first data byte i s a subcode w hich indicates the super packet t[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 65 T rimble Standard Interface Protocol A Command Packet 0x8E-45: Revert Configur ation Segment to Default Settings and Write to NVS This co mmand packet causes the current conf iguration set tings for the specified user segment ( or all segments ) to revert to thei r factory defaults and wr[...]

A T rimble Standard Interface Pr otocol 66 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command P acket 0x8E-4C: Write Configuration Segment to NVS This co mmand packet causes the current conf iguration set tings for the specified user segment ( or all segments ) to be writ ten to NV S. The segment ID is contained in a data byt e. Comman[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 67 T rimble Standard Interface Protocol A Command P acket 0x8E-A0: Set DAC V alue Us e co mmand packet 0x8E-A0 to set the DAC output voltage or to request the current DAC output voltage plus the parameters de scribing th e DAC. The D AC output voltage is used to c ontrol the frequency of the[...]

A T rimble Standard Interface Pr otocol 68 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command Packet 0x8E-A3: Issu e Oscillator Disciplining Command Use c ommand packet 0x8E-A3 to i ssue an osci llator di sciplining c ommand. The rec eiv er re sp ond s wi th p ac ket 0x8 F-A 3 in the sam e format as packet 0x8E-A3. Command Packet 0x8E-[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 69 T rimble Standard Interface Protocol A Command P acket 0x8E-A4 T e st Mode 0 Data Format Command P acket 0x8E-A4 T e st 1 Mode 1Data Format Command P acket 0x8E-A4 T e st Mode 3 Data Format t_ot This field is the reference time-of-week for the A_0/A_1 parameters. WN_t This field is the re[...]

A T rimble Standard Interface Pr otocol 70 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command Packe t 0x8E-A5: Packet Broadcast Mask Use c ommand packet 8E-A5 to set the pa ck et broad cast mask s or to requ est th e current mas k settings. The receiver replies to requests with response packet 8F-A5. The broadcast mask is bit w ise enc[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 71 T rimble Standard Interface Protocol A Command Packet 0x8E-A8: Set or Request Disciplining P arameters This pa cket allows the user to change key disciplining p arameters in the receiver . It is usually intended to be used only wh en instructed by the factor y . Inc orr ect use of this pa[...]

A T rimble Standard Interface Pr otocol 72 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command Packet 0x8E-A8 T ype 0 Data F ormat Command Packet 0x8E-A8 T ype 1 Data F ormat 2 T ype A "2" in thi s field indicates that the packet contains Reco very Mode parameters. These paramete rs allow the user to control the recovery proce[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 73 T rimble Standard Interface Protocol A Command Packet 0x8E-A8 T ype 2 Data F ormat Command Packet 0x8E-A8 T ype 3 Data F ormat Command P acket 0x8E-A9: Self-Survey Par ameters Use command pack et 8E-A9 to set the self-sur vey paramet ers or to r equest the current se tti n gs . Th e re ce[...]

A T rimble Standard Interface Pr otocol 74 T rimble ThunderBolt E GPS Disciplined Clock User Guide Command P acket 8E -A9 Data Format Command Packet 0x8E-AB: R equest Primary T iming Packet Use command packet 0x8E-AB to request the Primar y T imin g packet 0x8F-AB. By default, the receiver automatically sends pack et 0x8F-AB once per seco nd so it [...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 75 T rimble Standard Interface Protocol A Command P acket 0x8E-AC: Reques t Supplementary Timing P acket Use command packet 8E-AC to request the Supplem ental Timing packet 0x8F-AC. By default, the receiver automatically sends pack et 0x8F-AC once per seco nd so it is not nece ssary to reque[...]

A T rimble Standard Interface Pr otocol 76 T rimble ThunderBolt E GPS Disciplined Clock User Guide Report P acket 0x8F-41: Stored Manufactur ing Operating P arameters This pa cket is sent in response to a command 0x 8E-41. Report Packet 0x8F-42: Stored Pr oduction Parameters This pa cket is sent in response to 0x8E-42. Report P acket 0x8F-4A: Set P[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 77 T rimble Standard Interface Protocol A Report P acket 0x8F-A0: DAC V a lue This pa cket is sent in response to packet 0x8E-A 0. Report P acket 0x8F-A0 Data Format Report P acket 0x8F-A2: UTC/GPS Timing Th is p ack et is s ent in re sp ons e to com ma nd pack et 0x8E-A2. See the c orr espo[...]

A T rimble Standard Interface Pr otocol 78 T rimble ThunderBolt E GPS Disciplined Clock User Guide Report P acket 0x8F-A6: Self-Survey Command Th is p ack et is s ent in re sp ons e to com ma nd pack et 0x8E-A6. See the c orr esponding command packet for information ab out the data format. Report P acket 0x8F-A8: Oscillator Disciplining Par ameters[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 79 T rimble Standard Interface Protocol A Report P acket 0x8F-AB Report Pa cket 0x8F-AC: Supplemental Timing Pac ket This packet provides supplemental timing information once per second. Information regar ding p osition, unit status and health , and the op erational state of the unit i s pro[...]

A T rimble Standard Interface Pr otocol 80 T rimble ThunderBolt E GPS Disciplined Clock User Guide the accurate po sition the receiver is using to per form time-only fixes. W hen the self- surve y is disabled or o ther wise inactive and the receiver i s using a po sition fix operating mode, th en the po sition sent i s the position fix c omputed on[...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 81 T rimble Standard Interface Protocol A Report Packet 0x8F-A C • Bit 8: When 1, indicates that The receiver is operating in one of its test modes ( see packet 0x 8E- A4.) • Bit 9: When 1, indicates that the accuracy of the position used for time only fixes is questionab le. This alarm [...]

A T rimble Standard Interface Pr otocol 82 T rimble ThunderBolt E GPS Disciplined Clock User Guide 5 Not used 6 Disci plining 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: [...]

T rimble T hunder Bolt E GPS Disciplined Clock User Guide 83 T rimble Standard Interface Protocol A 28-31 DAC V oltage Single V olts 32-35 T emperature Single degrees C 36-43 Latitude Doub le radians 44-51 Longitude Doub le radians 52-59 Altitude Double meters 60-63 PPS Quantization Error Single ns 64-67 Spare F uture expansion Byte Item Ty p e Va [...]

A T rimble Standard Interface Pr otocol 84 T rimble ThunderBolt E GPS Disciplined Clock User Guide[...]

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