Campbell RTMS SYSTEMS Bedienerhandbuch

RF FOR RTMS SYSTEMSINSTRUCTION MANUALREVISION: 3/95COPYRIGHT (c) 1995 CAMPBELL SCIENTIFIC, INC.

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-31. Tripod or tower2. Enclosure and datalogger - Turn ondatalogger.3. Antenna - Orient correctly;

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-41. RF modem's ID matches ID in the RF Path.2. Field station's radio and datalogger have

SECTION 2. ASSEMBLING THE RADIOTELEMETRY NETWORK2-5second quality record would apply to how well therepeater received from the remote, and the thirdre

3-1SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3.1 THE RF95T MODEMAs with the CR10 and CR10T datalogger, thereare enough changes to the RF modems to

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-23.1.2 RF95T STATESThe ninth switch should be set in the RF95T-MEstate (switch nine should be open, re

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-3Packet are routed from the computer to thedataloggers on demand. These maintenancetype operations inc

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-4not respond during this time, a “Bad Link” errormessages is returned. The RFBase marks thatremote as

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-53.2.2 RADIO SPECIFICATIONSThe RF100 and RF200 radios are manu-factured by E.F. Johnson. Campbell Sci

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-63.3.2 ANTENNA ORIENTATIONAntennas must be oriented correctly to allowcommunication between RF sites.

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-7TABLE 3-7 Common Antennas and CharacteristicsVHF or Pipe MountingAntenna Type UHF Cable Gain(dB) O.D.

WARRANTY AND ASSISTANCEThe RF FOR RTMS SYSTEMS are warranted by CAMPBELL SCIENTIFIC, INC. to be free from defectsin materials and workmanship under no

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-83.4.3.2 PS12LA Lead Acid Power SupplyThe PS12LA power supply includes a 12V, 7.0amp-hour lead acid ba

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-9The RF232T Base Station includes an RF95TModem with a carrier detect light. The RF95TModem sits direc

SECTION 3. RADIOTELEMETRY NETWORK COMPONENTS3-10FIGURE 3-8. Top View of the RF232T Base Station

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

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-2Do _____ RETRIES USING A _______SEC PERIOD THEN USE _______ SEC:This allows specifying the rate

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-3Enabling the HIPRIORITY flag will causeRTM, and in turn DlsMgr and the RFBase, toattempt to coll

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-4Select CR10T as the DATALOGGER TYPE:parameters. Press the SPACE BAR to stepthrough the options.

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-5The CALL STATION stationname option isused to initiate a connection with the fieldsite. After t

SECTION 4. OPERATION OF THE RADIOTELEMETRY NETWORK4-6The EXAMINE DATA TABLES option allowsthe datalogger tables to be displayed intabular form. Grap

A-1APPENDIX A. SETTING THE STATION IDEach RF modem has nine dip switches; the first eight must be set for a particular Station ID. Followingis a lis

iRF FOR RTMS SYSTEMSTABLE OF CONTENTSPAGESECTION 1. GENERAL RADIOTELEMETRY NETWORK1.1 Introduction...

APPENDIX A. SETTING THE STATION IDA-2SWITCHES SWITCHES SWITCHESID 123456789 ID 1234 56789 ID 1234 5678941 1001 0100X 84 0010 1010X 127 1111 1110X42 0

B-1APPENDIX B. ALTERNATE BASE STATION CONFIGURATIONSThe basic base station consists of a computer and the RF232T Base Station. There are other optio

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

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

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

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 NETWORK2-2when a valid network description containingremote sites is “made active” attempts tocommunication w