Cable & Wireless CWB100 Spezifikationen

Wireless Sensor NetworkRevision: /1Copy right © 2010-201Campb ell Scienti fi c, In c.

Wireless Sensor Network 2 station synchronizes wireless sensor measurements and polls all sensors, storing the collected measurements so that it can t

Wireless Sensor Network 3 1.3 CWS220 Wireless Infrared Radiometer The CWS220 is a Wireless Infrared Radiometer that incorporates Apogee Instrument&apo

Wireless Sensor Network 4 1.4 CWS655 Wireless Water Content Reflectometer The CWS655 is based on Campbell Scientific’s CS655 water content reflectome

Wireless Sensor Network 5 The CWS655 outputs 8 values: Volumetric water content, Bulk electrical conductivity, Dielectric permittivity, Soil temperatu

Wireless Sensor Network 6 TABLE 1-1. CWS900 Configurations and Outputs Configuration Output Single Ended Channel 1, V Single Ended Channel 2, V S

Wireless Sensor Network 7 TABLE 1-2. CWS900 Wind Sensor Configurations and Outputs Configuration Output Wind Speed Average, m/s Wind Speed Maximum

Wireless Sensor Network 8 2. Specifications 2.1 Wireless Sensor Network Radio The CWB100 and CWS sensors use a 25 mW FHSS radio. Three models are av

Wireless Sensor Network 9 2.1.2 Typical RF Range RF range is affected by antenna height and by obstacles between the two antennae. The following rang

Wireless Sensor Network 10 2.1.5 Antenna Options All CWS wireless sensors contain a built-in 0 dBd 1/4 wave antenna. No other antenna options are ava

Wireless Sensor Network 11 Terminal Block Connector: Bi-Directional Serial datalogger connection USB Port: Computer connection for configuration Anten

Wireless Sensor Network 12 2.3.2 CWS220 Electrical Specifications Power: 2 AA Batteries Average Current Drain: 300 PA with 15 minute polling Radio: I

Wireless Sensor Network 13 2.4.3 WS655 Environmental Specifications Temperature Range: -25° to +50°C (-13° F to + 122°F) Humidity Range: 0 to 100%

Wireless Sensor Network 14 2.5.3 CWS900 Environmental Specifications Temperature Range: -25° to +50°C (-13°F to + 122°F) Humidity Range: 0 to 100% W

Wireless Sensor Network 15 FIGURE 3-1. A205 CWS to PC Interface FIGURE 3-2. Connection of A205 3.1.2 Required Cables A data cable, CSI part numbe

Wireless Sensor Network 16 3.1.3 Configuration CD A Configuration CD ships with each CWB100 Wireless Base Station. The CD has software and files need

Wireless Sensor Network 17 are specified. As the network is being designed, Wireless Sensor Planner automatically determines many individual device

Wireless Sensor Network 18 3.2.3.1 Simple WSN Example In this example, a CWB100 base station communicates with a CWS655 and a CWS900 with a 109-L-CWS

Wireless Sensor Network 19 Adding Communication Links to Devices The next step is to add links between the base station and the other two devices.

Wireless Sensor Network 20 To add the link from the CWB100 to the CWS900, select the CWB100 and drag the resulting line to the CWS900. Another Add Li

Wireless Sensor Network 21 The Radio ID may be left blank and will be filled in automatically when the device is programmed. Use the Measurement Conf

Wireless Sensor Network 22 shown. To save these settings in a XML file for future reference, click Save and choose a filename. To send these setting

Wireless Sensor Network 23 3.3.2 Configuring the CWS655 To configure the CWS655 Water Content Reflectometer, first connect the A205 to the type B USB

Wireless Sensor Network 24 3.3.3 Configuring the CWS900 To configure the CWS900 Wireless Sensor Interface, first connect the A205 to the type B USB co

Wireless Sensor Network 25 transmitted by wireless sensors. See Section 4.2.1, Configuration String, for more information on the format and use of th

Wireless Sensor Network 26 Determining Size of the Array In this example the WSN includes a CWS655 and a CWS900 configured to measure a 109 temperatur

Wireless Sensor Network 27 Finishing the Program Add a one minute data table and CallTable instruction to complete the program Public WSN(12) DataTab

Wireless Sensor Network 28 Power the CWS sensors by attaching the battery pack to the 4-pin connector. The red LED light will hold steady for about 4

Wireless Sensor Network 29 3.9.2 Connecting Sensors to the CWS900 For sensors that are compatible with the CWS900 but do not have the –LWS connector

Wireless Sensor Network 30 TABLE 4-1. Values Transmitted by CWS Sensors shows the number of values transmitted by different sensors in a wireless ne

Wireless Sensor Network 31 TABLE 4-1. Values Transmitted by CWS Sensors Sensor Values Transmitted CWS220 Wireless Infrared Radiometer 5 CWS655 Wirele

PLEASE READ FIRST About this manual Please note that this manual was originally produced by Campbell Scientific Inc. (CSI) primarily for the US market

Wireless Sensor Network 32 Configuration: The Configuration parameter is an optional constant string parameter that specifies a list of sensor descri

Wireless Sensor Network 33 discovered. This can make it difficult to use specific values in the datalogger program because of uncertainty as to which

Wireless Sensor Network 34 4.3 ArrayIndex() Instruction The ArrayIndex function is used to return the index of a named element in an array which would

Wireless Sensor Network 35 in the array for program use regardless of the order in which the sensor was discovered. CRBasic instruction Fieldnames is

Wireless Sensor Network 36 Port: The Port parameter is a constant indicating the control port (C1, C3, C5, or C7) to which the CWB100 Data line is co

Wireless Sensor Network 37 Example 4.6-1. Program for Wireless Sensor Network Const NumVals = 4 'Values returned by CWS900 Public GetRSSI As Bo

Wireless Sensor Network 38 5. CWS Button and LED Behavior The Setup button on the back of a CWS sensor and the RED and BLUE LED lights provide diagno

Wireless Sensor Network 39 2. If the initial attempt fails to link to the base station, the CWS sensor will delay 5 minutes before attempting to li

Wireless Sensor Network 40 the wireless sensor to link with the base station. Once the linking has taken place, the blue LED will stop flashing. Fro

Wireless Sensor Network 41 Display window. This will populate the window with names of variables in the Public Table. Click the Start button to begi

i Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to sp

Wireless Sensor Network 42 Distilled water or alcohol works well for most dust/dirt. Salt deposits dissolve better in a weak acid solution (~0.1 mola

Wireless Sensor Network 43 8. Troubleshooting Symptom Possible Cause Solution Cannot connect to CWB100 with USB cable Wrong serial port number specifi

Wireless Sensor Network 44 Symptom Possible Cause Solution Pressing Setup button for 8-10 seconds does not initiate auto-discovery (Blue LED does not

Wireless Sensor Network 45 Symptom Possible Cause Solution First element in destination array specified in CWB100 instruction is -3 and all other elem

A-1 Appendix A. Using DevConfig for CWS Setup CWS Sensors can be configured using Device Configuration Utility, DevConfig, which can be downloaded f

Appendix A. Using DevConfig for CWS Setup A-2 5. Once DevConfig connects to the sensor, enter the address of the CWB100 in the field called Base S

Appendix A. Using DevConfig for CWS Setup A-3 6. Click Apply to apply the changes. A configuration summary will be displayed. Save the configura

Appendix A. Using DevConfig for CWS Setup A-4 DevConfig. When the sensor settings are displayed in the Deployment tab, click on the Settings Editor

B-1 Appendix B. Measurement Names and Meanings Default measurement names are shown in Wireless Sensor Planner, Network Planner, and DevConfig softwa

Table of Contents ii 3.3.1 Configuring the CWB100 ... 21 3.3.2 Configuring the CWS655 ...

Appendix B. Measurement Names and Meanings B-2 B.3 CWS900 Default Names Default Name Meaning Units SE1 Single-ended DC voltage measured on pin 5 wi

Appendix B. Measurement Names and Meanings B-3 Default Name Meaning Units BV Battery voltage of wireless sensor Volts Ti Internal temperature of wi

Appendix B. Measurement Names and Meanings B-4 Default Name Meaning Units RWDSD Resultant wind direction standard deviation. Vector mean wind dire

Appendix B. Measurement Names and Meanings B-5 Scalar mean horizontal wind speed, S: S=(6si)/N where in the case of orthogonal sensors: Si=(Uei2+Uni2

Appendix B. Measurement Names and Meanings B-6 Resultant mean wind direction, 44u: 4u=Arctan (Ue/Un) Standard deviation of wind direction, V(4u), us

Appendix B. Measurement Names and Meanings B-7 (( )) ( ')/ ( /) (( ') ')/V44 4uNUSsNSiiiiNiN22 21121  ¦¦ The term, (( ') &a

C-1 Appendix C. Battery Life C.1 Battery Characteristics The battery life of the CWS wireless sensors is a function of the polling interval, repeate

Appendix C. Battery Life C-2 Sensor and Connection 5 Min Polling 10 Min Polling 15 Min Polling CWS900 w/109 Probe or CWS655 15 months 21 months 24

Appendix C. Battery Life C-3 In another situation, there may be a sensor in a location that permits a direct connection to the base, but misses a si

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Table of Contents iii C. Battery Life ... C-1 C.1 Battery Characteristics ...

Table of Contents iv

1 Wireless Sensor Network 1. Understanding a Wireless Sensor Network 1.1 General Description Why wireless? There are situations when it is desirable