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CRBasic Example 1: CRBasic call-back program

'Declare Public Variables

Public

counter, Result

Public

CallbackFlag

As Boolean

Dim

scratch

'this variable is a place-holder it is not used

'Define Data Tables

DataTable

(OneMin,true,-1)

DataInterval

(0,1,Min,10)

Sample

(1,counter,FP2)

EndTable

'Main Program

BeginProg

'Configure the data logger CS I/O port to match the SDC address and baud rate
'set in the RF451/RF452

SerialOpen

(ComSDC7,-115200,0,0,10000)

Scan

(1,Sec,0,0)

counter = c 1

CallbackFlag = true

Then

SendVariables

(Result,ComSDC7,0,4094,0000,0,

"Public"

"Callback"

,Scratch,1)

CallbackFlag = false

EndIf

'Call Output Tables

CallTable

OneMin

NextScan

EndProg

RF451/RF452 Spread Spectrum Radio

Содержание RF451

Страница 2: ...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 give...

Страница 3: ...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...

Страница 4: ...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 cl...

Страница 5: ...ons 5 7 Configuring the RF451 RF452 7 7 1 Deployment settings 10 7 1 1 Active Interface 10 7 1 2 SDC Address 11 7 1 3 Baud Rate 11 7 1 4 Radio Operation Mode 11 7 1 5 Network ID 12 7 1 6 Frequency Key...

Страница 6: ...B 1 2 Configuring endpoint RF451 RF452 data loggers 29 B 1 3 Setting up communications between the RF451 RF452 data logger and the computer 29 B 2 RF451 RF452 communications with multiple data logger...

Страница 7: ...a computer running LoggerNet Additionally the CR6 data logger has an integrated RF451 RF452 option Though the radios may be set up in a point to point mode this manual will only address multi point a...

Страница 8: ...tom See Settings Editor p 40 for more information l READ AND UNDERSTAND the Safety section at the front of this manual l This equipment generates uses and can radiate radio frequency energy and if not...

Страница 9: ...u change this from the default value of 5 Generally all radios in the network will have the same Frequency Key 4 Select one radio to be the gateway the others will be designated as endpoints The radio...

Страница 10: ...set the Active Interface to USB or RS 232 depending on how LoggerNet will be communicating with the RF451 RF452 Keep the remaining settings at their defaults See previous note regarding repeaters 7 S...

Страница 11: ...llected from one to many data loggers and reported back to one central site The central site is typically a computer running LoggerNet but could be a data logger Refer to Installation examples p 27 fo...

Страница 12: ...MHz 935 MHz Dynamic range 10 dBm 3rd Order Intercept Point at Input Connector Data transmission Error detection 32 bit CRC retransmit on error Data encryption Proprietary Spread Spectrum Technology L...

Страница 13: ...ios are configured using the Campbell Scientific Device Configuration Utility software tool that comes with LoggerNet See Figure 7 1 p 8 Device Configuration Utility is also available for free from th...

Страница 14: ...ve the device driver properly installed before you can connect to the radio via USB 4 With the USB device driver installation complete connect the supplied USB cable between the USB port on your compu...

Страница 15: ...ve Radio users only New operating systems for the Campbell Scientific board are loaded through the Send OS tab Device Configuration Utility makes applying the same settings to multiple devices easy On...

Страница 16: ...on examples p 27 for example radio settings in different network configurations 7 1 1 Active Interface Specify the interface that will be used for normal operations The following active interfaces are...

Страница 17: ...gs in the gateway Also radio network diagnostics can only be accessed at the gateway radio Therefore it is recommended that you deploy the gateway on the communications end where it will be easier to...

Страница 18: ...ID feature See Subnet ID p 15 for more information 7 1 6 Frequency Key The Frequency Key determines the frequency hopping sequence of the transceiver There are 15 choices available 0 14 which represen...

Страница 19: ...rmitted by local regulations Regulations vary by country and region As the equipment owner you are responsible for making sure that your installation and maintenance of the radio equipment ensure loca...

Страница 20: ...anges at different Low Power Mode settings The actual current draw depends on many factors The following table gives only a qualitative indication of supply current savings A low number reduces latenc...

Страница 21: ...listen to This setting has no effect on gateway radios leave it at the default value of 15 2 Transmit SubNet ID This setting identifies the Network ID on which this device transmits and in turn which...

Страница 22: ...e user to associate a particular data logger with its attached radio To further this association of the RF451 RF452 RF network with the PakBus network the data logger reads the serial number of the at...

Страница 23: ...d repeaters A gateway communicates only with other transceivers designated as endpoints repeaters and endpoint repeaters One setting Low Power Mode is not applicable to gateway radios and thus is gray...

Страница 24: ...ion Mode to Repeater allows the transceiver to operate as a repeater The Repeaters Used checkbox should be selected if there are any repeaters in the network it should be set the same for all transcei...

Страница 25: ...setup The Network Map is configured from the LoggerNet Setup screen Use the following steps to configure the Network Map see Figure 11 1 p 19 1 Select Add Root COM Port 2 Add a PakBusPort Set the Max...

Страница 26: ...PakBus protocols are used to direct packets the network representation in PakBus Graph may be significantly different than one would expect Figure 12 1 p 20 depicts the physical network of five data l...

Страница 27: ...information Line of sight obstructions and RF interference will affect the transmission distance See Line of Sight Technical Paper and Link Budget Technical Paper for a discussion of antenna gain and...

Страница 28: ...satisfy the needs for various gateway endpoint and endpoint repeater requirements These antennas have been tested at an authorized FCC open field test site and are certified to be in compliance with...

Страница 29: ...age especially via the antenna system Also depending on climate and location electrostatic charged wind can damage sensitive electronics if sufficient electric charge is allowed to accumulate on the a...

Страница 30: ...not operational Green flash Device powered configured in gateway or endpoint mode Orange flash Device powered configured in repeater mode OFF No power Table 17 2 TX RX LED LED state Description Red s...

Страница 31: ...etwork with parallel repeaters using SubNet ID p 35 for settings used in a parallel network 4 If one or more radios are configured as repeaters check the Repeaters Used box for all RF450s RF451 RF452s...

Страница 32: ...ss B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates...

Страница 33: ...able summarizes the hardware settings for this type of network For detailed instructions on setting up the hardware and data logger support software see B 1 1 Configuring the RF451 RF452 radio connect...

Страница 34: ...which identifies the transceiver in diagnostics mode When used in conjunction with PakBus data loggers we recommend this setting be assigned the PakBus address of the station This is because the Radio...

Страница 35: ...Configuration Utility connect to the RF451 RF452 data logger 3 On the Deployment Datalogger tab assign a unique PakBus address 4 On the Deployment RF451 tab set the Radio Operation Mode to Endpoint 5...

Страница 36: ...ou do not need to select a baud rate The PakBus address must match the hardware settings for your data logger 10 Click Next 11 By default the data logger does not use a security code or a PakBus encry...

Страница 37: ...RF452 settings for RF451 RF452 communications with multiple data loggers using one repeater Gateway Endpoint repeater Endpoint s Hardware RF451 RF452 connected to computer running LoggerNet RF451 RF45...

Страница 38: ...cted to B 2 1 Configuring the RF451 RF452 radio connected to the computer Configure the RF451 RF452 radio connected to the computer see previous image for reference 1 Ensure your RF451 RF452 radio is...

Страница 39: ...ger then on the main page click Install USB Driver Alternately you can install the USB drivers using EZ Setup A USB connection supplies 5 V power as well as a communications link which is adequate for...

Страница 40: ...ndard view right click on the repeater data logger in the Entire Network pane on the left side of the window and select your data logger model such as CR6Series 2 With the newly added data logger sele...

Страница 41: ...f an RF451 RF452 power supply and antenna Another repeater endpoint repeater connected to a data logger is used to access several other endpoint radios on data loggers To take advantage of the low pow...

Страница 42: ...RF451 RF452 RF451 RF452 data logger RF451 RF452 data logger RF451 RF452 data logger RF451 RF452 Baud Rate 115 2K 115 2K 115 2K 115 2K 115 2K Active Interface USB or RS 232 to match how LoggerNet will...

Страница 43: ...requency Key may be different 2To match LoggerNet PakBus address 3To match data logger PakBus address 4Not inclusive other typical hardware items may include power supply antenna enclosure etc NA not...

Страница 44: ...E Master when the CS I O port is used for direct connection to an ME device such as a COM220 or MD485 The connection is done by using an A100 In this example the RF451 RF452s are set up as described i...

Страница 45: ...Min 10 Sample 1 counter FP2 EndTable Main Program BeginProg Configure the data logger CS I O port to match the SDC address and baud rate set in the RF451 RF452 SerialOpen ComSDC7 115200 0 0 10000 Sca...

Страница 46: ...not shown on the Deployment tab Most RF451 RF452 networks do not need to make changes through the Settings Editor Radios deployed outside of the United States must use a Hop Table Version other than...

Страница 47: ...alia 915 928 MHz 2 International 903 744 926 3232 MHz 16 fewer frequencies than full set 3 Taiwan 916 920 MHz 4 New Zealand 921 928 MHz 5 Notch Uses 902 928 MHz with centre frequencies of 911 919 MHz...

Страница 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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