Campbell-scientific RF300-Series DRL VHF/UHF Radio Transceivers Manual de usuario

Radiotelemetry NetworkRevision: 3/00Copyright © 1989-2000Campbell Scientific, Inc.

SECTION 1. GENERAL RADIOTELEMETRY NETWORK1-41.4 REPEATERPurpose: To act as relay between twocommunicating stations separatedby too long of a distanc

2-1SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORKThis section provides a logical order for RF network assembly and deployment. Details of specific

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-2• REPORT - Generates reports and reducesdata stored on computer.• VIEW - Used to view text files.

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-3Select the Appropriate Communications port. If your computer uses COM2, click the “Add COM port”bu

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-4This window shows the RF modem (RF1) attached to RS232 communication port 2. Next use the AddDevic

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-52.3 INSTALL NEAREST REPEATER/FIELD STATIONNow to install the nearest field station. If itcommunic

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-61. RF modem's ID matches ID in the RF Path.2. Field station's radio and datalogger have

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-7communication path. This will allow you to testeach piece of the communication pathseparately.Try

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-8This is a blank page.

3-1SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3.1 RF95A MODEMThe RF95A is an interface between thecomputer and the radio when used at a basestation

Warranty and Assistance The RADIOTELEMETRY NETWORK COMPONENTS are warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and work

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-2TABLE 3-1. A Sample of Station ID Numbersand the Corresponding Switch SettingsStation Switch Settings

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-33.1.6 RF95A MODEM COMMUNICATIONPROTOCOLComprehension of this section is notnecessary for routine oper

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-4characters are summarized in Table 3-2. Allcommand characters must be capital letters.TABLE 3-2. RF9

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-5occurs between characters, the data block willbe closed and transmitted.Most of the time, the SOL mode

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-6Appendix H contains the pin out for the radio tomodem cables.TABLE 3-4. RF95/A Serial I/O to Datalog

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-73.2.3 RADIO INSTALLATIONThe RF300 Radios are shipped from CampbellScientific mounted on a special bra

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-8See Table 3-7 for cable requirements forcommon antennas.Due to power loss through the cable, the lengt

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-93.4 TRIPODS, TOWERS, ENCLOSURES,AND POWER SUPPLIESThere are several methods of mounting andhousing se

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-10so the two wires can be inserted into the twoterminal ports.The red charge light is on when AC power

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-11The RF232's 25-pin female port connects to thecomputer's 25-pin RS232 port. The RF232A&apo

i RADIOTELEMETRY NETWORK TABLE OF CONTENTS PDF viewers note: These page numbers refer to the printed version of this document. Use the Adobe Acrobat

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-12RF232A TOP VIEWFIGURE 3-8. Top View of the RF232A Base Station

4-1SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORKAll field stations can be accessed and monitored from the central base site. Regular visits to

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-2An example of a simple RF path is “32F”. TheF is only used when 9600 baud has beenselected, see

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-34.1.4 GENERAL COMMUNICATION - PC208WCONNECT WINDOWGeneral communications include: collect data,

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-44.2 DATALOGGER INITIATEDCOMMUNICATIONSThe datalogger can call the computer to initiatedata coll

A-1APPENDIX A. SETTING THE STATION IDEach RF95, including the one in the RF base station, must have a unique Station ID. Each RF modemhas nine dip s

APPENDIX A. SETTING THE STATION IDA-220 0010 1000X 63 1111 1100X 106 0101 0110X21 1010 1000X 64 0000 0010X 107 1101 0110X22 0110 1000X 65 1000 0010X

APPENDIX A. SETTING THE STATION IDA-3SWITCHES SWITCHES SWITCHESID 123456789 ID 1234 56789 ID 1234 5678941 1001 0100X 84 0010 1010X 127 1111 1110X42 0

APPENDIX A. SETTING THE STATION IDA-4153 1001 1001X 196 0010 0011X 239 1111 0111X154 0101 1001X 197 1010 0011X 240 0000 1111X155 1101 1001X 198 0110

B-1APPENDIX B. ALTERNATE BASE STATION CONFIGURATIONSThe basic base station consists of a computer and the RF232 Base Station. There are other option

RF MANUAL TABLE OF CONTENTS ii 4. OPERATION OF THE RADIOTELEMETRY NETWORK 4.1 Monitoring and Collecting Data - PC208W RF Notes...

APPENDIX B. ALTERNATE BASE STATION CONFIGURATIONSB-2RF95ARF300FIGURE B-1. Portable Base StationB.3 PHONE-TO-RF BASE STATIONWITH MEASUREMENT CAPABIL

APPENDIX B. ALTERNATE BASE STATION CONFIGURATIONSB-3RF95ARF300FIGURE B-2. Phone-To-RF Base StationRF95ARF300FIGURE B-3. Phone-To-RF Base Station Wi

APPENDIX B. ALTERNATE BASE STATION CONFIGURATIONSB-4This is a blank page.

C-1APPENDIX C. POWER CALCULATIONSThere must be enough transmission power in any RF link to complete communication. The sources ofpower are the radio

This is a blank page.

D-1APPENDIX D. FUNDAMENTALS OF RADIOTELEMETRYD.1 RADIO WAVESRadiotelemetry is the process of transferringinformation (data) in the form of radio wav

APPENDIX D. FUNDAMENTALS OF RADIOTELEMETRYD-2Every antenna has a known horizontal andvertical pattern of radiation. The horizontalradiation pattern

E-1APPENDIX E. RF95A STATESThe RF95A Modem operates in one of twoseparate states. The RF95A can be utilized ineither the RF95A-ME (Modem Enable) Sta

This is a blank page.

F-1APPENDIX F. EQUIPMENT COMPATIBILITYF.1 COMPATIBILITY OF CURRENT ANDPAST RF EQUIPMENTThis section is to aid customers who have olderRF equipment f

RF MANUAL TABLE OF CONTENTS iii APPENDIX J. CABLE PIN OUTS AND LED FUNCTION FOR RF95A AND RF300...

APPENDIX F. EQUIPMENT COMPATIBILITYF-2F.3 INCORPORATING THE RF300 ANDTHE RF95AThe RF300 is similar to the RF100 and RF200radios. The 100/200 series

G-1APPENDIX G. P50 RADIOG.1 P50 RADIO SETUP ANDSPECIFICATIONSThe P50 Radio transmits and receives datablocks. The volume, squelch, and frequencycon

APPENDIX G. P50 RADIOG-2A problem has been found if the VSWR is greaterthan 1.5:1. The VSWR will increase when:• The antenna is used in proximity o

H-1APPENDIX H. RF300 RADIO SPECIFICATIONSTABLE H-1. RF300 Radio Specifications - UHFGENERALFrequency Range 403 - 512 MHzFrequency Control Synthesize

APPENDIX H. RF300 RADIO SPECIFICATIONSH-2TRANSMITTERFrequency Stability±1.5 PPM (-30° C to +60° C)Bandwidth 16 MHz without Tuning, 20 MHz without tun

APPENDIX H. RF300 RADIO SPECIFICATIONSH-3RECEIVERBandwidth 132 - 15- MHz: 18 Mhz with electronic tuning, 6 MHz withoutretuning from 132 - 150 MHz.150

APPENDIX H. RF300 RADIO SPECIFICATIONSH-4TABLE H-3. RF300 Radio Specifications - Loader BoardTRANSMITTransmit Current Adds no more than 27 mA to tra

I-1APPENDIX I. RF100/200 RADIOSI.1 RADIO DESCRIPTIONThe RF100 and RF200 are obsolete radiosused in Campbell Scientific's RF applications totran

APPENDIX I. RF100/200 RADIOSI-2TABLE I-2. RF100/RF200 Radio SpecificationsRF100 RF200VHF UHFE.F. Johnson Model No. 3420 3410Power Output 4W 5WFreque

J-1APPENDIX J. CABLE PIN OUTS AND LED FUNCTIONFOR RF95A AND RF300 TABLE J-1. Radio 10 Pin RF Connector10 PinRadio Radio Description / Usage1 Not us

RF MANUAL TABLE OF CONTENTS iv LIST OF EXAMPLES 3-1 A Sample Setup Block...

APPENDIX J. CABLE PIN OUTS AND LED FUNCTION FOR RF95A AND RF300J-2TABLE J-4. Radio 9 pin SerialCommunications Connector9 PinRadio Description1 Sleep

aGLOSSARYAntenna - Device for radiating and receivingradio signals.Attenuation - The reduction of an electricalsignal without appreciable distortion.B

GLOSSARYbRF Path - The designation of an RF link withmodem ID Numbers and modem commands.RLQA (RF Link Quality Accumulators) -Numbers which represent

This is a blank page.

Campbell Scientific CompaniesCampbell Scientific, Inc. (CSI)815 West 1800 NorthLogan, Utah 84321UNITED [email protected]

1-1SECTION 1. GENERAL RADIOTELEMETRY NETWORK1.1 INTRODUCTIONData retrieval from a remote site can be difficult.To accomplish data collection from is

SECTION 1. GENERAL RADIOTELEMETRY NETWORK1-21.2 FIELD STATIONPurpose: The field station is where themeasurements are made. TheCampbell Scientific d

SECTION 1. GENERAL RADIOTELEMETRY NETWORK1-31.3 BASE STATIONPurpose: A base station utilizes a computerto collect data from the fieldstation(s). N