Campbell TX325 Product Manual Download Page 1

Page: 1 / 48

Revision:

/2020

2019

–

2020

Campbell

Scientific,

Inc.

Summary of Contents for TX325

Page 2: ...6 1 Read and write settings 16 7 6 2 Read only settings 17 8 Troubleshooting 19 8 1 Troubleshooting over air transmissions 20 Appendix A Eligibility and getting onto the GOES system 23 Appendix B Dat...

Page 3: ...Campbell Scientific FP2 data 33 B 2 2 Pseudobinary 38 B 2 3 Additional pseudobinary representations 38 B 3 Transmission durations 38 Appendix C Compliance documents and certificates 40 Table of Conten...

Page 4: ...tion for many systems serving a wide range of applications 2 Precautions l READ AND UNDERSTAND the Safety section at the back of this manual l Although the TX325 is rugged it should be handled as a pr...

Page 5: ...rectly connect your data logger to the Device Configuration Utility i Use the USB cable to connect the data logger to the computer ii Click your data logger model for the Device Type in the Device Con...

Page 6: ...Type the Self timed Message Windows in seconds as assigned by the GOES DCS Program 8 Type the Platform ID in HEX as assigned by the GOES DCS Program 9 Select the Random Transmission Baud Rate as assig...

Page 7: ...17 Click the Com Port Settings sub tab 18 Select 9600 for the Baud Rate 19 Click Apply to save the changes Now the settings are stored in the data logger CRBasic programming is required to push data o...

Page 8: ...grooves should be placed at the spot on the boom with four dimples and so forth c Aim the Yagi antenna at the spacecraft azimuth and elevation angle positions are included on the bracket label 2 GPS a...

Page 9: ...ot receive a GPS signal through steel roofs or steel walls Concrete might also be a problem Heavy foliage snow and ice will attenuate the GPS signal 3 Mount the TX325 the power supply and the data log...

Page 10: ...lar panel cable through the enclosure conduit and connect the red and black wires to the CHG terminals on the CH150 or CH200 5 Overview The TX325 can transmit either self timed or random GOES messages...

Page 11: ...ility l Embedded GPS receiver for stabilized internal time keeping and transmit frequency for long service intervals l Low standby current consumption for battery powered systems at remote DCP install...

Page 12: ...only during a predetermined time frame typically 10 seconds every hour Random windows are for applications of a critical nature such as flood reporting and allow transmission immediately after a thres...

Page 13: ...cm 6 25 x 5 9 x 1 8 in additional clearance required for cables wires and antennas Weight 0 77 kg 1 7 lb Supply voltage range 10 5 to 16 VDC Current drain at 12 VDC While transmitting 2 5 A 1 8 typic...

Page 14: ...on without GPS fix 6 days Interface connectors RS 232 DB9 F DCE 3 wire RS 232 Satellite RF transmit out Type N jack GPS SMA jack Power 2 pin screw terminal 0 2 in pitch 7 Installation 7 1 Field site r...

Page 15: ...n complete and ready to receive commands At power up blinks on and off three times Bootloader software is running Ready to load new operating system On continuously Transmitter failed to start up norm...

Page 16: ...attaching the transmission antenna A properly matched antenna cable and antenna must be connected to the TX325 before transmission occurs WARNING Failure to use a properly matched antenna cable and a...

Page 17: ...or example the element with four grooves should be placed at the spot on the boom with four dimples and so forth 7 5 GPS antenna The GPS antenna mounts to the end of a crossarm by using a 0 75 inch IP...

Page 18: ...syntax GOESField NumVals Decimation Precision Width SHEF The NumVals is the number of historical values of the field to output For Decimation enter 1 to output every value enter 2 to output every oth...

Page 19: ...signed by NESDIS Value is a string GOESRTBaudRate Baud rate for the random transmissions Valid settings are 100 300 or 1200 The baud rate must match the user s NESDIS channel assignment GOESRTChannel...

Page 20: ...times within the random transmit interval that the TX325 will transmit the message data Valid entries are 1 to 3 7 6 2 Read only settings Table 7 5 Read only TX325 settings FieldName Description GOESi...

Page 21: ...in view 11 no GPS position fix three usable GPS satellites in view GOESGPSAntennaStatus Status of the GPS antenna 0 GPS antenna is working 16 GPS antenna is not connected 48 GPS antenna is shorted GOE...

Page 22: ...h is corrupt GOESCurrentTxState Current state of the radio 0 Idle 1 Transmission is in progress 2 Post transmission failsafe wait is in progress 8 Troubleshooting Issue TX325 is not transmitting First...

Page 23: ...its microprocessor is reset causing the transmitter to reboot While in the fail safe mode the transmitter can communicate normally with the data logger but is unable to transmit again until the fail...

Page 24: ...ress channels transmission times and window length Make sure your setting in your DCP match this information Failure to do so will result in loss of data and transmitting over the top of other DCP sch...

Page 25: ...not the GPS time synched Table 8 1 p 22 This character is added to the number of bytes shown as LEN that were in the data transmission Table 8 1 Characters indicating time sync Character Data type Tim...

Page 26: ...ing onto the GOES system 1 Follow the steps provided at https dcs2 noaa gov to submit an application for GOES DCS SUA Once submitted the approving authorities will review the application and notify yo...

Page 27: ...can be used for self timed messages Several standard formats are selectable within CRBasic Formats not included can be easily formed using string formatted data fields allowing the content to be tailo...

Page 28: ...9 9 0 1 120 0 7999 1 1200 NAN1 8190 INF2 8191 INF2 8191 1Not A Number 2Infinity Example output with 10 fields GoesTable Fields_Scan_Order FALSE Newest_First FALSE Format 1 GoesField Decimation 1 CR LF...

Page 29: ...tabular format Columns are fixed width according to the field format and are space delimited Lines are CR LF delimited You can send either the newest or oldest data first A CR LF is added at the end...

Page 30: ...ample outputs with 10 fields GoesTable Fields_Scan_Order FALSE Newest_First FALSE Format 2 GoesField Decimation 1 Precision 3 Width 4 CR LF 7 982 7 982 13 1 25 8 CR LF GoesTable Fields_Scan_Order FALS...

Page 31: ...R LF 8 31 13 14 26 74 CR LF 8 30 13 14 26 74 CR LF 8 29 13 14 26 74 CR LF GoesTable Fields_Scan_Order TRUE Newest_First FALSE Format 2 GoesField Decimation 1 Precision 3 Width 5 SHEF set to HG TA VB C...

Page 32: ...le if Scan_Order is set to False l Each line has all data from a single sensor if Scan_Order is set to True l SHEF Codes can be added as headers or at the beginning of lines using GOESField option SHE...

Page 33: ...26 24 CR LF GoesTable Fields_Scan_Order FALSE Newest_First FALSE Format 3 GoesField Decimation 1 Precision 3 Width 5 SHEF set to HG TA VB CR LF HG TA VB CR LF 7 94 13 13 26 72 CR LF GoesTable Fields_S...

Page 34: ...that is human readable l NANs INFs INFs and missing values show as forward slashes in the output l LABEL is the SHEF code two character parameter Refer to https dcs1 noaa gov documents SHEF 20Codes p...

Page 35: ...n 15 minutes prior to transmission 13 18 Sensor or measurement reading taken 30 minutes prior to transmission 13 19 Sensor or measurement reading taken 45 minutes prior to transmission TA SHEF Code TA...

Page 36: ...ncoded unsigned integer 0 to 63 1 byte encoded signed integer 32 to 31 2 byte encoded unsigned integer 0 to 4094 2 byte encoded signed integer 2048 to 2047 3 byte encoded unsigned integer 0 to 262143...

Page 37: ...the magnitude of the 13 bit mantissa 0 to 8191 Table B 7 Calculation of finished value Sign S Exponent E Mantissa M FP2 value equals 0 00 8191 INF 1 00 8191 INF 1 00 8190 NAN 0 or 1 00 or 01 or 10 0 t...

Page 38: ...b8 b7 p 1 b6 b5 b4 b3 b2 b1 0 1 0 0 0 1 1 0 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 Table B 10 Encoding of 12 34 Character 1 D Character 2 S Character 3 R Sign Exponent Mantissa Mantissa Mantissa p 1 0 0 b16...

Page 39: ...b8 b7 p 1 b6 b5 b4 b3 b2 b1 0 1 0 0 1 0 0 0 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 Table B 14 Encoding of 1 234 Character 1 N Character 2 S Character 3 R Sign Exponent Mantissa Mantissa Mantissa p 1 0 0 b16...

Page 40: ...b10 b9 b8 b7 p 1 b6 b5 b4 b3 b2 b1 0 1 0 0 1 1 1 0 0 1 0 0 0 0 0 1 0 1 1 1 1 0 1 1 Table B 18 Encoding of INF Character 1 A Character 2 Character 3 Sign Exponent Mantissa Mantissa Mantissa p 1 0 0 b1...

Page 41: ...elevation of 123 45 ft can be multiplied by 100 to get an integer of 12345 This integer is stored for transmission with the encoding shown in Table B 21 p 38 Table B 21 Example encoding of water level...

Page 42: ...23 N 4 600 Random 1200 bps 223 N 4 600 Table B 23 GOES self timed message maximum data bytes and assigned time slot duration Assigned time slot duration seconds GOES 300 bps maximum data per message b...

Page 43: ...6370 Lusk Blvd Suite F206 San Diego California 92121 United States has been assessed by NSF ISR and found to be in conformance to the following standard s ISO 9001 2015 Scope of Registration Engineer...

Page 44: ...ts technical performance as specified in the certification standards for this type of equipment recertification of this model shall be required before placing in operation In accordan ce w ith Ver5ion...

Page 45: ...ther manufacturer s products that are resold by Campbell Scientific are warranted only to the limits extended by the original manufacturer Refer to www campbellsci com terms warranty for more informat...

Page 46: ...ion or Repair Reference number contact your CAMPBELL SCIENTIFIC regional office Please write the issued number clearly on the outside of the shipping container and ship as directed For all returns the...

Page 47: ...rohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers l Use only manufacturer recommended parts materials and tools Utility and Electrical l Y...

Page 48: ...nfo campbellsci fr www campbellsci fr Germany Location Phone Email Website Bremen Germany 49 0 421 460974 0 info campbellsci de www campbellsci de India Location Phone Email Website New Delhi DL India...

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