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TX321

Transmitter

Revision: 5/19

Campbell Scientific

Содержание TX321

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Страница 3: ...s under guarantee or not Please state the faults as clearly as possible and if the product is out of the guarantee period it should be accompanied by a purchase order Quotations for repairs can be given on request It is the policy of Campbell Scientific to protect the health of its employees and provide a safe working environment in support of this policy a Declaration of Hazardous Material and De...

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Страница 5: ...s digital cell phones and aerials may also not be applicable according to your locality Some brackets shields and enclosure options including wiring are not sold as standard items in the European market in some cases alternatives are offered Details of the alternatives will be covered in separate manuals Part numbers prefixed with a symbol are special order parts for use with non EU variants or fo...

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Страница 7: ...e beginning work Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers Do not climb tripods or towers at any time and prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers Use only manufacturer recommended parts materials and tools Utility and Electrical You can be kil...

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Страница 9: ... 5 5 Overview 11 5 1 GOES System 12 5 1 1 Orbit 12 5 1 2 NESDIS and Transmit Windows 12 5 1 3 Data Retrieval 12 6 Specifications 13 7 Installation 16 7 1 Field Site Requirements 16 7 2 TX321 Functions 16 7 2 1 LED Function 16 7 2 2 Communication Ports 18 7 2 2 1 CS I O Port 18 7 2 2 2 RS 232 Port 18 7 2 2 3 USB Port 19 7 2 3 RF Connectors 19 7 2 3 1 RF Transmission Connector 19 7 2 3 2 GPS Connect...

Страница 10: ...p Example 28 8 Troubleshooting Diagnostics 28 8 1 Fail safe Conditions 28 8 2 Fault Button 29 8 3 Result Codes 29 8 4 Using DevConfig for Troubleshooting Testing 30 8 4 1 Settings Editor GPS 30 8 4 2 Settings Editor Status 32 8 4 3 Terminal 33 Appendices A Information on Eligibility and Getting Onto the GOES System A 1 A 1 Eligibility A 1 A 2 Acquiring Permission A 1 B GOES DCS Transmit Frequencie...

Страница 11: ... Message D 7 D 3 9 Set Self Timed Transmission Preamble Length D 8 D 3 10 Set Self Timed Transmission Interleaver Mode D 8 D 3 11 Set Self Timed Transmission Data Format D 8 D 3 12 Set Random Transmission Channel Number D 8 D 3 13 Set Random Transmission Bit Rate D 9 D 3 14 Set Random Transmission Interval D 9 D 3 15 Set Random Transmission Randomizing Percentage D 9 D 3 16 Set Random Transmission...

Страница 12: ...a and solar panel not shown 13 7 1 TX321 LEDs 16 8 1 TX321 Fault Button 29 8 2 Settings Editor GPS in DevConfig 31 8 3 Settings Editor Status in DevConfig 32 8 4 Terminal Tab in DevConfig 33 F 1 TX321 FCC Supplier Declaration of Conformity and FCC Statement F 1 F 2 DCPRS and CGMS certificate F 2 F 3 EUMETSAT certificate F 3 Tables 7 1 GOESStatus Command 0 Read Time 24 7 2 GOESStatus Command 1 Read...

Страница 13: ...curs Failure to use a properly matched antenna cable and antenna may cause permanent damage to the radio frequency RF amplifiers 3 Initial Inspection Upon receipt of the TX321 inspect the packaging and contents for damage File damage claims with the shipping company Check the ships with list to ensure all components are received Ships with list is provided in Section 3 1 Ships With List p 1 3 1 Sh...

Страница 14: ...dinates for aiming the satellite antenna the GPS antenna also needs to be connected to the transmitter and have a clear view of the sky Click on TX321 TX320 TX312 for the device type in DevConfig Select the port matching the COM or USB port on the computer to which the transmitter is connected Click the Connect button on the bottom left of the DevConfig screen 4 1 2 Settings Editor Configuration F...

Страница 15: ...lf Timed Transmission Interval Example Self Timed Transmission Interval 00 01 00 00 1 hour and the Self Timed Transmission First Time 00 15 00 15 min The transmission pattern starting at midnight is the following 00 15 00 01 15 00 02 15 00 23 15 00 Self Timed Transmission Window Length s Type the NESDIS assigned length of the self timed transmission window in units of seconds Self Timed Transmissi...

Страница 16: ... or 1200 for a CS2 device Random Transmission Interval m Specify the randomizing interval in units of minutes This value is the interval for transmitting random buffer data if data is in the random buffer The actual interval is random but on average occurs at this rate Random Transmission Randomizing Percentage Specify the range of randomization as a percentage of the randomizing interval Random t...

Страница 17: ...ission data when operating in ASCII or Pseudo Binary mode Only printable characters excluding space are permitted The default values for many parameters in Settings Editor Configuration can be used for many applications Click Apply after changing settings 4 1 3 Settings Editor GPS GPS Fix Interval Type the interval at which the transmitter attempts to get a GPS position fix specified as hh mm ss T...

Страница 18: ... in DevConfig can be used to determine the correct coordinates for the azimuth and elevation see FIGURE 4 4 From the Align to Satellite list select either the East or the West satellite type the Transmitter Latitude Transmitter Longitude Transmitter Altitude and the Magnetic Declination The correct angles are then displayed in the lower panel Refer to Section 4 1 1 Accessing DevConfig p 2 for info...

Страница 19: ...uminium pipe to a crossarm via a CM220 mount or Nu Rail fitting FIGURE 4 5 and FIGURE 4 6 show the GPS antenna mounted to a crossarm by using a CM220 mount The ideal location for the GPS antenna is above everything with the shortest cable possible Refer to Section 7 4 GPS Antenna p 20 for additional information about the GPS antenna The GPS antenna will not receive a GPS signal through steel roofs...

Страница 20: ...TX321 Transmitter 8 FIGURE 4 5 Exploded view of the GPS antenna mounted to a crossarm via the CM220 FIGURE 4 6 GPS antenna mounted to a crossarm via the CM220 ...

Страница 21: ...ee FIGURE 4 7 and FIGURE 4 8 9 Connect the TNC connector of the GPS antenna cable to the GPS antenna Route the GPS antenna cable through the enclosure conduit and connect it to the TX321 connector labelled GPS see FIGURE 4 7 and FIGURE 4 8 10 Wire the TX321 the CH150 or CH200 regulator the BP12 or BP24 battery and the data logger according to FIGURE 4 8 and FIGURE 4 9 11 Route the solar panel cabl...

Страница 22: ...8 TX321 connectors CS I O Used to connect to the CR1000X CR1000 CR800 series CR3000 CR6 series or CR5000 CS I O port via the SC12 cable Power Port RF Out Connector GPS Connector RS 232 Used to connect to the CR300 series or CR295 X ...

Страница 23: ...mitters currently support the GOES Data Collection Platform Radio Set DCPRS Certification Standards at 300 bps and 1200 bps version 2 effective date June 2009 also known as CS2 see FIGURE F 2 300 1200 bps DCPRS Certification Standard version 1 0b March 2000 Meteosat Data Collection Platform see Appendix E Meteosat p E 1 for more details BP24 connector attaches to the CH200 or CH150 Red black power...

Страница 24: ...ited States odd numbered channels are assigned to GOES East and even numbered channels are assigned to GOES West Channels used outside the United States are assigned to either spacecraft 5 1 2 NESDIS and Transmit Windows GOES is managed by the National Environmental Satellite Data Information Service NESDIS NESDIS assigns the platform ID uplink channel number and self timed or random transmit wind...

Страница 25: ...00 Series CR1000 CR1000X Series CR3000 CR6 Series CR300 Series1 and CR5000 Supply Power Supply Voltage 10 8 to 16 VDC Typical Current Draw 12 VDC Idle 5 mA During GPS Fix 100 mA by default once per day for 15 minutes Transmit 2 6 A Connector Removable 2 pin screw terminal 5 mm pitch 1 CR300 Series requires a null modem cable GOES Satellite Ground Receiving Station Data Collection Platform DCP Sate...

Страница 26: ...1 5 KHz Emission Designators 300 bps 300HG1D 120 bps 1K20G1D Satellite Meteosat EUMETSAT Meteosat SRD Baud Rates 100 bps Transmit Power3 Default configuration for use with 11 dBi Yagi antenna 100 bps Default 37 5 dBm Maximum 41 5 dBm Frequency Range 402 0355 to 402 4345 MHz Initial Frequency Stability 20 Hz disciplined to GPS GPS fix occurs after power up and once per day thereafter Channel Bandwi...

Страница 27: ... 12 7 x 3 8 cm 7 3 x 5 0 x 1 5 in Dimensions Including Connectors 20 96 x 13 34 x 4 06 cm 8 25 x 5 25 x 1 6 in Weight 0 77 kg 1 7 lb Interface Command Protocols Binary Command Protocol Available on CS I O when connected Available on RS 232 if CS I O is not connected ASCII Command Protocol Available on all ports 25316 Transmit Antenna Gain 11 dBi Type Right hand circular polarization Yagi Connector...

Страница 28: ...ion Most GOES systems are powered by a battery that is charged by a solar panel The solar panel must have a clear view of the southern sky Pay special attention to winter sun angles 7 2 TX321 Functions 7 2 1 LED Function The TX321 has four LEDs used to indicate the state of the TX321 transmitter FIGURE 7 1 FIGURE 7 1 TX321 LEDs When power is first applied to the TX321 the four LEDs cycle through q...

Страница 29: ... Volts 11 3 to 12 Volts 10 8 to 11 3 Volts 10 8 Volts GPS Green OFF OFF OFF Data Yellow Yellow OFF OFF Transmitting Yellow Yellow Yellow OFF Status Red Red Red Red 3 The GPS LED turns on to indicate GPS and real time clock RTC synchronization state that is Has the TX321 received a GPS fix yet Colour State Green RTC is synched to GPS GPS location coordinates are acquired Yellow RTC is not synched t...

Страница 30: ...l transmission will be indicated by all LEDs rapidly flashing green An unsuccessful transmission will be indicated by all LEDs rapidly flashing red 7 2 2 Communication Ports 7 2 2 1 CS I O Port The CS I O port is an SDC port specifically designed to work with Campbell Scientific SDC capable data loggers The CS I O port is used by Campbell Scientific data loggers to transfer data from the data logg...

Страница 31: ...receiver for two functions The precise GPS time is used to ensure scheduled transmissions occur at the proper time The one second GPS synchronization pulse is used to ensure a precise drift free carrier frequency See Section 7 4 GPS Antenna p 20 for more information regarding GPS and GPS antenna placement 7 2 4 Power Connector The TX321 power connector has two pins ground and 12 V The input power ...

Страница 32: ...l be half of a properly aimed antenna Beyond 20 degrees the received power drops off quickly 7 4 GPS Antenna 7 4 1 How the GPS Signal is Acquired and Used The GPS receiver will acquire a complete GPS fix at power up and once a day The TX321 transmitter will continue to operate normally for 28 days without a GPS fix The GPS signal is used for two functions to set real time and to regulate the oscil...

Страница 33: ...s number of seconds since 1990 which does not work for GOES transmission 7 5 1 1 Result Code The Result Code is used to determine if the GOESData instruction executed successfully When successful GOESData will return a 0 to the Result Code variable When GOESData executes successfully but there is no new data in the specified table the Result Code is set to 100 See Section 8 3 Result Codes p 29 for...

Страница 34: ... set to ASCII data both Pseudo Binary and ASCII data are transmitted normally Data format options 0 and 2 are Pseudo Binary all others are ASCII When transmitting random messages in Pseudo Binary format the message counter must be turned off RMC N The message count is a simple three digit count of how many times the transmission has been repeated Digits 0 to 9 are not legal characters in Pseudo Bi...

Страница 35: ...Lst_Reflected Alias LastStatus 6 Lst_BattVolt Alias LastStatus 7 Lst_GPS Alias LastStatus 8 Lst_OscDrift Alias LastStatus 9 Lat_Deg Alias LastStatus 10 Lat_Min Alias LastStatus 11 Lat_Secd Alias LastStatus 12 Long_Deg Alias LastStatus 13 Long_Min Alias LastStatus 14 Long_Secd program table DataTable Tempdata 1 1 DataInterval 0 15 min 10 Sample 1 TCTemp FP2 Sample 1 PanelT FP2 Sample 1 battery1 FP2...

Страница 36: ...nline Mode are for use with previous versions of the GOES transmitter and will not be described here GOESStatus expects two parameters The first is the array used to store the data returned by GOESStatus the second is the command to be issued The first element of each array returned by the GOESStatus command is the result code The result code is used to test if the GOESStatus instruction executed ...

Страница 37: ...dicates transmitter disabled due to fail safe 12 Loaded power supply voltage 1 amp load tenths of volts 13 Average GPS acquisition time tens of seconds 7 5 2 3 GOESStatus Read Last Message Status Example Public LastStats 14 GOESStatus LastStats 2 Command 2 Read Last Message Status is used to read information regarding the last transmission As shown in TABLE 7 3 information includes the type of tra...

Страница 38: ... except for the Timed Interval Timed Offset and Random Interval which are all of type string The GOESSetup and GOESData only return error messages at run time Using GOESSetup the data logger can configure the transmitter under program control Because the parameters in the GOESSetup instruction can be variables error checking is done at run time not compile time Using GOESSetup the custom display m...

Страница 39: ...th in seconds Valid range is 5 to 120 7 5 4 4 Timed Channel Timed Channel is the assigned self timed transmission channel For Campbell Scientific valid range is 0 to 266 for 300 bps and 0 to 133 for 1200 bps Often 1200 bps channels are referred to using the 300 channel number scheme See TABLE B 1 Divide by two to get the real 1200 baud channel number For CS2 valid range is 1 to 566 See TABLE B 2 7...

Страница 40: ... 300 0 100 0_01_00_0 0_16_20 1_0_0 If setup_RC 0 Then setup false EndSub BeginProg setup true Scan 10 Sec 0 0 If setup Then Call Gsetup NextScan EndProg 8 Troubleshooting Diagnostics 8 1 Fail safe Conditions The built in fail safe processor helps prevent malfunctioning transmitters from interfering with other transmissions It disables satellite transmissions if one of these events occur A transmis...

Страница 41: ...communications with the transmitter Here are the steps 1 The data logger CS I O port is checked to see if the serial port is available If not Result Code is 6 2 The transmitter is addressed and should return the STX character within 200 ms If there is no response from the transmitter Result Code 2 is returned If something other than the STX character is received Result Code is 3 3 The command to s...

Страница 42: ...ere is an illegal value in one of the parameters TABLE 8 2 GOESSetup and GOESData Run time Result Codes Code Error Condition 11 Illegal Buffer Control 12 Illegal Message Window 13 Illegal Channel Number 14 Illegal Baud Rate 15 R Count Error 16 Illegal Data Format 17 Illegal Data Format FP2_ASCII 18 Self timed Interval Error 19 Self timed Offset Error 20 Random Interval Error 21 Platform ID Error 8...

Страница 43: ...the GPS antenna placement Poor GPS antenna placement will increase the number of missed transmissions or possibly stop all transmission see Section 7 4 GPS Antenna p 20 for more information FIGURE 8 2 Settings Editor GPS in DevConfig ...

Страница 44: ...formation about the transmitter that can help in troubleshooting see FIGURE 8 3 Specifically ensure that the Fail Safe Status is OK Also the supply voltage amount needs to be greater than 10 8 V Replace the battery if the supply voltage is too low FIGURE 8 3 Settings Editor Status in DevConfig ...

Страница 45: ...t entry in the audit log is shown at the top of the screen The audit log will record any error condition that has occurred in the past plus other events Clear Timed Buffer Erases all data from the self timed buffer Clear Random Buffer Erases all data from the random buffer Send to Timed Buffer Send data to the self timed buffer Data will be scheduled for transmission on the next available time slo...

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Страница 47: ...a via GOES Non U S or private users must also submit a written statement indicating that their sponsor requires all or part of the transmitted data NESDIS will supply the user with a question form to complete and submit for approval noaasis noaa gov DCS 2 Following approval NESDIS sends a Memorandum of Agreement MOA The MOA must be signed and returned to NESDIS 3 After the MOA is approved NESDIS w...

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Страница 49: ...50 62 401 792500 18 401 726500 63 401 794000 32 401 794750 19 401 728000 10 401 728750 64 401 795500 20 401 729500 65 401 797000 33 401 797750 21 401 731000 11 401 731750 66 401 798500 22 401 732500 67 401 800000 34 401 800750 23 401 734000 12 401 734750 68 401 801500 24 401 735500 69 401 803000 35 401 803750 25 401 737000 13 401 737750 70 401 804500 26 401 738500 71 401 806000 36 401 806750 27 40...

Страница 50: ... 938750 110 401 864500 160 401 939500 111 401 866000 56 401 866750 161 401 941000 81 401 941750 112 401 867500 162 401 942500 113 401 869000 57 401 869750 163 401 944000 82 401 944750 114 401 870500 164 401 945500 115 401 872000 58 401 872750 165 401 947000 83 401 947750 116 401 873500 166 401 948500 117 401 875000 59 401 875750 167 401 950000 84 401 950750 118 401 876500 168 401 951500 119 401 87...

Страница 51: ...9750 204 402 005500 254 402 080500 205 402 007000 103 402 007750 255 402 082000 128 402 082750 206 402 008500 256 402 083500 207 402 010000 104 402 010750 257 402 085000 129 402 085750 208 402 011500 258 402 086500 209 402 013000 105 402 013750 259 402 088000 130 402 088750 210 402 014500 260 402 089500 211 402 016000 106 402 016750 261 402 091000 131 402 091750 212 402 017500 262 402 092500 213 4...

Страница 52: ...55 401 782000 310 401 715250 33 401 749000 355 401 782750 11 401 716000 333 401 749750 56 401 783500 311 401 716750 34 401 750500 356 401 784250 12 401 717500 334 401 751250 57 401 785000 312 401 718250 35 401 752000 357 401 785750 13 401 719000 335 401 752750 58 401 786500 313 401 719750 36 401 753500 358 401 787250 14 401 720500 336 401 754250 59 401 788000 314 401 721250 37 401 755000 359 401 7...

Страница 53: ... 422 401 883250 78 401 816500 400 401 850250 123 401 884000 378 401 817250 101 401 851000 423 401 884750 79 401 818000 401 401 851750 124 401 885500 379 401 818750 102 401 852500 424 401 886250 80 401 819500 402 401 853250 125 401 887000 380 401 820250 103 401 854000 425 401 887750 81 401 821000 403 401 854750 126 401 888500 381 401 821750 104 401 855500 426 401 889250 82 401 822500 404 401 856250...

Страница 54: ...750 190 401 984500 445 401 917750 168 401 951500 490 401 985250 146 401 918500 468 401 952250 191 401 986000 446 401 919250 169 401 953000 491 401 986750 147 401 920000 469 401 953750 192 401 987500 447 401 920750 170 401 954500 492 401 988250 148 401 921500 470 401 955250 193 401 989000 448 401 922250 171 401 956000 493 401 989750 149 401 923000 471 401 956750 194 401 990500 449 401 923750 172 40...

Страница 55: ...500 534 402 051250 257 402 085000 512 402 018250 235 402 052000 557 402 085750 213 402 019000 535 402 052750 258 402 086500 513 402 019750 236 402 053500 558 402 087250 214 402 020500 536 402 054250 259 402 088000 514 402 021250 237 402 055000 559 402 088750 215 402 022000 537 402 055750 260 402 089500 515 402 022750 238 402 056500 560 402 090250 216 402 023500 538 402 057250 261 402 091000 516 40...

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Страница 57: ...ectable within CRBasic Formats not included can be easily formed using STRING formatted data fields allowing the content to be tailored to your application needs C 2 1 7 Byte Floating Point ASCII The 7 byte floating point ASCII data type is a fixed width format with variable precision Operating range of 7999 to 7999 Variable precision of 0 001 to 1 Precision placement of decimal point is automatic...

Страница 58: ...tput format used to report the NFDRS station minimum sensor complement as specified by the Interagency Wildland Fire Weather Station Standards and Guidelines This output uses several of the Fixed Decimal ASCII output formats as described in the previous section Parameter Format Width Precision Range Cumulative Rainfall inch xx xx 5 0 01 inch 0 to 99 99 10 Min Avg Wind Speed mph xxx 3 1 mph 0 to 99...

Страница 59: ...to decode and transform C 3 1 FP2 16 bit Floating Point Number The FP2 data format uses 16 bits to represent a variable precision floating point number FP2 has a total range of 7999 to 7999 and variable precision of 0 001 to 1 It also has the ability to signal infinity and NAN most commonly used to indicate a computational or measurement error The following tables present the numeric ranges and th...

Страница 60: ...s are encoded across 3 bytes When signed the value is encoded using a two s complement representation As an integer cannot directly represent a fractional number measurements are often scaled before storing to the GOES data table For example a water level surface elevation of 123 45 ft would first be multiplied by 100 and the resulting integer of 12345 would be stored for transmission with the fol...

Страница 61: ... and the transmitter attention is lost To get the transmitter attention a character must be entered followed by a CR until the prompt is returned Commands can optionally be terminated with CR LF in other words a LF character received following a CR will be ignored Each character entered is echoed to the host to allow for simple error checking and to support the terminal nature of the implementatio...

Страница 62: ... test commands Two access levels are defined USER and TECHNICIAN An error will be returned if a TECHNICIAN level command is entered while at the USER command access level USER level commands are always available including when at the TECHNICIAN command access level The TECHNICIAN level commands are not described here The command access level is changed by using the password protected TECHMODE comm...

Страница 63: ...mmand D 2 4 Restore Configuration Syntax RSTR Access level USER TX321 state Enabled Disabled This command directs the transmitter to restore the configuration parameters from non volatile memory Changes made to the configuration are not automatically saved to non volatile memory as they are entered This allows changes to be made and verified before committing them to permanent storage but provides...

Страница 64: ...ten with valid values before transmissions can be enabled D 2 7 Disable Transmissions Syntax DTX Access level USER TX321 state Enabled This command disables transmissions Normal scheduling of transmissions is suspended Note that the transmitter is automatically disabled if configuration parameters are modified and must be re enabled with the ETX command to resume transmitting D 2 8 Read Configurat...

Страница 65: ...00 05 00 to 24 00 00 A value of 00 00 00 will disable periodic GPS position fixes although they will still occur at power up and every 24 hours as a side effect of the daily automatic OCXO calibration The current value of the GPS fix interval is also reported by the RCFG command The parameter is non volatile when saved using the SAVE or ETX commands D 3 GOES Transmission Configuration Commands The...

Страница 66: ...ation on channels 201 266 the transmitter will be configured for international operation Specifically the 31 bit international End of Transmission EOT will be used 0x63CADD04 in place of the ASCII EOT and the preamble will be forced to Long Setting the channel number to 0 will disable timed transmissions D 3 3 Set Self Timed Transmission Bit Rate Syntax TBR bbbb Access level USER TX321 state Disab...

Страница 67: ... Syntax TWL xxx Access level USER TX321 state Disabled Set the length of the timed transmit window Length is specified in seconds Valid range is 5 to 240 seconds D 3 7 Enable or Disable Self Timed Transmission Message Centring Syntax CMSG Y N Access level USER TX321 state Disabled Centre the timed transmission in the assigned window if Y otherwise transmit at beginning of assigned window D 3 8 Ena...

Страница 68: ...le 300 or 1200 bps Setting does not apply to CS2 devices D 3 11 Set Self Timed Transmission Data Format Syntax TDF A P B Access level USER TX321 state Disabled This command sets the timed transmission format to ASCII Pseudo Binary or Binary Valid values are A P or B This parameter is used to determine the flag word in 300 and 1200 bps transmissions Note It is the responsibility of the host to ensu...

Страница 69: ...s The randomizing interval is the interval in which a random transmission will occur if there is data in the random transmission buffer The actual transmission time will be random but on average will occur at this rate Valid range is 5 to 99 minutes D 3 15 Set Random Transmission Randomizing Percentage Syntax RPC mm Access level USER TX321 state Disabled This value determines the range of randomiz...

Страница 70: ... 4 1 Load Self Timed Transmission Buffer Syntax TDT xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Access level USER TX321 state Enabled This command overwrites the GOES timed buffer with the data provided The TX321 transmitter will insert the 31 bit GOES ID any header information for example HDR Flag byte and append the EOT so these should not be included in the TDT data If the timed data format is ...

Страница 71: ...er Syntax CTB Access level USER TX321 state Enabled Disabled Clears the timed transmission buffer D 4 5 Load Random Transmission Buffer Syntax RDT xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Access level USER TX321 state Enabled This command overwrites the GOES random buffer with the data provided The G5 transmitter will insert the 31 bit GOES ID any header information for example HDR Flag byte an...

Страница 72: ...transmitted at the assigned bit rate the message will be truncated D 4 6 Read Length of the Message in the Random Transmission Buffer Syntax RML Access level USER TX321 state Enabled Disabled Returns the number of bytes stored in the random transmission buffer D 4 7 Read the Maximum Random Message Length Syntax MRML Access level USER TX321 state Enabled Returns the maximum number of bytes that can...

Страница 73: ... data has been transmitted fail safe status and supply voltage The transmitter responds with Transmitter Enabled Disabled CR LF GPS On Off CR LF RTC Valid Invalid CR LF Time To Next Tx dd hh mm ss CR LF Timed Message Length nnnn CR LF Next Timed Tx N A or mm dd yyyy hh mm ss Random Message Length nnnn CR LF Random Message Tx Count nnn CR LF Next Random Tx N A or mm dd yyyy hh mm ss Fail Safe OK Tr...

Страница 74: ... 0 V If a transmission has not occurred since power up the transmitter will respond with No Tx Has Occurred D 5 4 Read GPS Status Syntax GPS Access level USER TX321 state Enabled Disabled This command returns the current GPS status including satellite numbers and signal strengths in the following format if the GPS is on Fix Status Full Accuracy Almanac Available N PPS Output Stable N UTC Offset 0 ...

Страница 75: ...pond with No GPS Fix CR LF D 5 6 Read Audit Log Syntax RAL Access level USER TX321 state Enabled Disabled The RAL command is used to retrieve the audit log information in the following format yy mm dd hh mm ss event message 1 CR LF yy mm dd hh mm ss event message 2 CR LF yy mm dd hh mm ss event message N CR LF Where yy mm dd hh mm ss are the date and time that the message was created event message...

Страница 76: ...lts This value is updated at the bit rate when transmitting and every 30 seconds when not transmitting D 5 10 Read TCXO Temperature Syntax RTEMP Access level USER TX321 state Enabled Disabled Returns the TCXO temperature PCB temperature in degrees C This value is updated at the bit rate when transmitting and every 30 seconds when not transmitting D 5 11 Read Measured Frequency Syntax RMF Access le...

Страница 77: ...tion which uses Standard Rate DCP Platforms SRDCP to transmit It transmits at 100 baud and can transmit 649 bytes of platform data in 1 minute This includes 5 seconds of unmodulated carrier a preamble a sync code and an address SRDCP has a timing accuracy of 15 seconds or better Use the following table to help determine which channel number corresponds to each assigned transmit frequency ...

Страница 78: ...9500 1500 67 402134500 1500 18 402061000 1500 68 402136000 1500 19 402062500 1500 69 402137500 1500 20 402064000 1500 70 402139000 1500 21 402065500 1500 71 402140500 1500 22 402067000 1500 72 402142000 1500 23 402068500 1500 73 402143500 1500 24 402070000 1500 74 402145000 1500 25 402071500 1500 75 402146500 1500 26 402073000 1500 76 402148000 1500 27 402074500 1500 77 402149500 1500 28 402076000...

Страница 79: ...00 158 402271000 1500 109 402197500 1500 159 402272500 1500 110 402199000 1500 160 402274000 1500 111 402200500 1500 161 402275500 1500 112 402202000 1500 162 402277000 1500 113 402203500 1500 163 402278500 1500 114 402205000 1500 164 402280000 1500 115 402206500 1500 165 402281500 1500 116 402208000 1500 166 402283000 1500 117 402209500 1500 167 402284500 1500 118 402211000 1500 168 402286000 150...

Страница 80: ...331000 1500 149 402257500 1500 199 402332500 1500 150 402259000 1500 200 402334000 1500 201 402335500 1500 251 402410500 1500 202 402337000 1500 252 402412000 1500 203 402338500 1500 253 402413500 1500 204 402340000 1500 254 402415000 1500 205 402341500 1500 255 402416500 1500 206 402343000 1500 256 402418000 1500 207 402344500 1500 257 402419500 1500 208 402346000 1500 258 402421000 1500 209 4023...

Страница 81: ...0 280 402020500 1500 231 402380500 1500 281 402022000 1500 232 402382000 1500 282 402023500 1500 233 402383500 1500 283 402025000 1500 234 402385000 1500 284 402026500 1500 235 402386500 1500 285 402028000 1500 236 402388000 1500 286 402029500 1500 237 402389500 1500 287 402031000 1500 238 402391000 1500 288 402032500 1500 239 402392500 1500 289 402034000 1500 240 402394000 1500 241 402395500 1500...

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Страница 83: ...onformity and FCC Statement FIGURE F 1 the DCPRS and CGMS certificate FIGURE F 2 and the EUMETSAT certificate FIGURE F 3 The TX321 M EU Declaration of Conformity and TX321 G Brazilian Certificate of Approval are available at www campbellsci eu tx321 FIGURE F 1 TX321 FCC Supplier Declaration of Conformity and FCC Statement ...

Страница 84: ...AppendixE Meteosat F 2 FIGURE F 2 DCPRS and CGMS certificate ...

Страница 85: ...AppendixE Meteosat F 3 FIGURE F 3 EUMETSAT certificate ...

Страница 86: ...0033 0 1 56 45 15 20 Email info campbellsci fr Website www campbellsci fr Germany Location Bremen Germany Phone 49 0 421 460974 0 Email info campbellsci de Website www campbellsci de South Africa Location Stellenbosch South Africa Phone 27 21 8809960 Email sales campbellsci co za Website www campbellsci co za Southeast Asia Location Bangkok Thailand Phone 66 2 719 3399 Email thitipongc campbellsci...

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