WSC-5-SDOR Wind Speed Controller Single Set Point User`s Manual
Contents
1. Texas Electronics WSC 5 SDOR Wind Speed Controller Single Set Point User s Manual Texas Electronics Inc Dallas TX 75235 Fax 214 631 4218 5529 Redfield Street Tel 214 631 2490 www texaselectronics com Model WSC 5 SDOR Wind Speed Controller Single Set DESCRIPTION The Texas Electronics Inc WSC 5 wind speed activated control system is designed for switching on or off var ious types of equipment such as deodorizers samplers alarms fountains beacons etc when the wind speed exceeds or falls below a certain selectable value The control output function either switch on or switch off or both can be set for activation at any desired wind speed value from 0 to 100 mph Single and dual set point WSC 5 systems are available depending upon the requirements of the user An adjustable time delay is used to minimize premature on off cycling of the equipment being controlled when the wind speed is fluctuating around the selected set point The time delays are programmable with time periods ranging from 1 to 1023 seconds To set the time delay turn on the dip switches to combine for the total time of the delay For exam ple to have a 5 minute 300 second delay the 256 32 8 and 4 switches would be turned on while the 512 128 64 16 2 and 1 switches would be off 256 32 8 4 300 If a delay make or break is undesired then the 1 switch for that function would be turned on and all other switches for that functio2. from existing towers should be fabricated so that sensors will extend a distance of 5 to 10 feet from the tower assembly dependent on tower thickness Wind direction sensors are oriented upon installation in reference to either true north or magnetic north True north is obtained by applying a local magnetic variation correction factor to a magnetic north compass indica tion magnetic variation for a particular locality is obtainable from the nearest Weather Bureau Branch Office Indicator readings for a true north sensor orientation will then be in terms of true geographic compass points All U S Weather Bureau surface wind data used for observational network reporting purposes and general pub lic use is given in reference to this true north format Indicator readings for a magnetic north sensor orientation will be in terms of actual readings as would be obtained from directly viewing a magnetic compass instrument Wind direction data at Federal Aviation Agency and other aircraft reporting facilities for direct control tow er to pilot utilization is always made in reference to this magnetic north format REMOTE TEMPERATURE HUMIDITY SENSORS AND INSTRUMENT SHELTERS Whenever possible instrument shelters as well as remote temperature and or humidity sensors should be installed at a height of 4 feet or greater over earth or sod at least 100 feet from any concrete or other hard sur faced area and not closer to any other object than four times th
3. part number T 8011 to the sensor which spins the head at a known RPM Warranty 3 years Optional 4 20 mA output Wiring 12 15 VDC Red Wire Common Black Wire 4 20 mA Signal White Wire TV 114 WIND SENSOR G 114 GENERATOR The chart below shows the maximum output obtainable from this generator under a no load condition This sig nal may be scaled down to fit many customer requirements R P M VS OUTPUT MPH 85 0 0 060 00 00 100 200 300 400 500 600 26 46o 700 500 69472 379 6n 900 9 781256 425 60 100 7 65 Warranty Texas Electronics Inc hereafter TEI warrants the equipment manufactured by it to be free from defects in material and workmanship Upon return transportation charges prepaid to TEI within three 3 years of orig inal shipment of sensors and one 1 year of original shipment of electronics recorders and indicators TEI will repair or replace at its option any equipment which it determines to contain defective material or workman ship and will return said equipment to purchaser TEI Texas Electronics shall not be obligated how ever to repair or replace equipment which has been repaired by others abused improperly installed altered or otherwise misused or damaged in any way TEI will not be responsible for any dismantling re assembly or reinstallation charges This warranty is in li
4. whose amplitude and frequency are proportional to wind speed Exposed components are constructed of gold anodized aluminum to retard corrosion even in the extremes of heat cold and salt water environment Sensors are designed to be as sensitive as possi ble to light winds yet strong enough to withstand winds of hurricane force The 114 uses the TE 505 bearing system which was developed by Texas Electronics exclusively for use with meteorological sensors This system has two stainless steel bearings mounted in a pre SPECIFICATIONS Signal Conditioning Signal conditioning circuits are available which can convert the raw sensor signal into a scaled voltage or current This analog signal can then be fed to indica tors recorders computers etc Starting Threshold Approx 2 5 to 3 0 mph Accuracy frequency output 2 mph Excitation Requirements None self generating Distance Constant 21 7 feet Generator Type 16 pole AC brushless Bearing Grade APEC 3 or better Cable 60 18 Gauge 2 conductor Environment Limits Temperature 50 C to 75 C Humidity 0 100 Physical Cup Diameter 4 Cup Wheel Diameter 18 Overall Height Ta Outer Finish Gold anodized aluminum Weight 3 75 pounds with cable Maintenance Possible bearing and generator replacement at three to ten year intervals dependent upon environmental conditions Calibration Field testing and recalibration is performed by attaching a motor TE
5. al If any stray pickup is experienced the shield Bare Wire from the sensor should be attached to panel ground The panel mounting screw at the bottom right nearest the sensor terminals WSC 5 SDOR or DDOR The wiring for the double set point is the same as the single except one more set of Form C Contacts have been added One is marked LO Output Relay and one is marked HI Output Relay Both sets are Form C Dry Contacts No Voltage Present B OPERATION After making all necessary connections adjust the wind speed set pointer s on the front meter face to the desired wind speed alarm control value s Select either Automatic or Latch mode of operation Adjust the time delay s as desired The WSC 5 is now ready to use Apply power to the system by turning on the INPUT power supply The controller is now operating The wind speed will be directly indicated by the meter When the control setting is exceed ed and the CONTROL OUTPUT circuit is switched the CONTROL OUTPUT light s will come on CHECKOUT AND MAINTENANCE A portable wind speed test apparatus Model T 8011 is available from the manufacturer for checking the electrical output of the wind speed sensor T 8011 will drive the wind speed sensor at a know RPM which is equal to a specific speed value At the specified RPM the wind speed indicator should indicate that speed value within 1 mph The test unit if desired may be purchased or it may be obtained on a loan basis fro
6. e height of the object above the instrument shel ter or remote sensors Avoid roof installations if possible If it is necessary to roof mount shelters and sensors they should not be closer than 30 feet to any large vertical reflecting surface walls etc exhaust fans or cool ing towers Electronic remote sensors when roof mounted should be at least 9 feet or greater above the roof surface To minimize radiation effects from the roof they can also be mounted on a horizontal boom so that they will extend from the side of a building roof or existing tower Horizontal booms should extend approxi mately 5 to 10 feet from the side of the building roof or tower assembly PRECIPITATION GAUGES Rain gauges should be installed on a level plot of ground at a distance from any object of at least two and prefer ably four times the height of the object above the top of the gauge All types of gauges must be exposed with the rim of the receiver in a horizontal plane and at a level well above the average level of snow surfaces Standard U S Weather Bureau cotton region shelter Spec No 450 0615 Rev 8 67 Roof mounting of rain gauges should be avoided when possible Air currents at heights other than at ground level have been observed to cause an apparent decrease in rainfall catch commensurate with the increase in mounting height above ground level Objects which individually or in small groups constitute a windbreak reduce prevailing wind s
7. e instructions apply to roof top installation We advise that you first read over these instructions before beginning assembly as several referenced items are not supplied with your weather equipment this is because most every instal lation is unique thus these parts are best obtained by the installer Reference to the U Tube Cross Bar Installation figure and Sensor Installation figure may be helpful Step 1 Attach the three anemometer cups to the speed sensor head Loosen the three set screws on the top of the anemometer lower unit Insert the anemometer cup arms into the holes Be sure to press the arms all the way in and make sure that the flat areas on the arms face toward the set screws Tighten the set screws Step 2 Attach wind vane counter weight to the direction sensor head Loosen the two set screws on the top of the wind vane upper unit Insert the vane and counter weight into the holes Be sure to press both parts all the way in and make sure the flat areas on each arm face the set screws Tighten the set screws Note For optimum performance and maximum bearing longevity you may wish to fine tune the balance of both wind sensors Place the U tube flat on a table such that the sensors hang over the edge Rotate the vane and the cup in 10 degree increments After positioning the vane and cups verify that there is no movement after releasing your hold this must be done in a wind free environment Balance adj
8. eu of all other warranties expressed or implied TEI shall not be liable for any special indirect incidental or consequential damages claimed in connection with any rescission of this agreement by purchaser For a list of specific items covered by the extended warranty see the Three Year Warranty Equipment List Three Year Warranty Equipment List Effective February 1 1992 all of Texas Electronics Inc sensors will carry a Three Year warranty instead of the previous One Year The remainder of terms and conditions of the warranty remains unchanged A specific list of items follows Sensors Covered by Three Year Warranty Wind Direction TD 104 5D TD 106 5D Wind Speed TV 114 TV 110 L320 TV 4 TB 2012M Temperature TT 101 QR TH 2013 QR TT 103 R W TTH 1315 Solar Radiation SP LITE Systems Covered by Three Year Warranty 2 Description 00000 WSC 5 SDOR Wind Speed Controller Single Set Point WSC 5 DDOR Wind Speed Controller Dual Set Point
9. m the manufacturer PROPER EXPOSURE OF METEOROLOGICAL INSTRUMENTS Generally recognized guidelines follow which depict ideal sensor mounting locations These guidelines or rules of thumb are only suggestive in nature an attempt to aid the user to selecting optimum representative sampling locations for a particular sensor Reference was made to US Weather Bureau Installation criteria in preparing this data See Reference 1 WIND EQUIPMENT So far as available sites permit wind sensors should be placed above the ground on a freely exposed tower 20 feet or higher and over terrain that is relatively level and free from obstructions to wind flow When a com promise must be made sensing units should be exposed at least 12 feet above any obstruction within 100 feet and at least as high as any obstruction within 100 to 200 feet of the wind equipment Support towers or masts should not be of such bulk or shape as to create an appreciable obstruction to wind flow Avoid sites where local obstructions may create up or down drafts eddy currents or jet flow effects When sensors are roof mounted they should be installed at least 10 feet or greater from the roof surface depending upon the particular instal lation site Turbulence and other local effects can be reduced somewhat by mounting sensors on the upwind and of the building that end of the building exposed to the most common local prevailing winds Horizon tal mount booms which extend
10. n sensor An alternative technique is to lap a string over the vane and carefully hold it in position be careful not to bend the vane when using this approach APPLICATIONS FOR WHD 1 FS RRO FOR THP AHD 20 POR MAND EE 1 POWER QU AGE FGF AHG SPEEDS EELOW AHO FOR WIRD THRESHOLD THE RATINGS OH THE GOMTAOL RELAT BRE 104 L 45 a HPE 22 377 of _ 2 TMT SENS WHT 1 1 iior Meier cal cHU 10 HPF LIT o TOHE T LOW Came MODEL TV 114 WIND SPEED SENSOR DESCRIPTION Long term maintenance free operation is characteristic of this sensor A precision alternating current generator is employed which completely eliminates contact between rotating and stationary generator components The Texas Electronics TV 114 Wind Speed Sensor consists of a lightweight three cup anemometer which is mechanically coupled to a precision alternating current generator located within the lower sensor housing The output signal from the sensor is an alternating current signal
11. n turned off IF ALL SWITCHES FOR A FUNCTION ARE TURNED OFF THE FUNCTION WILL NOT OPERATE The set points are adjustable by knobs located on front of the meter relay Two modes of operation are pro vided automatic and latching In the automatic mode the relay is energized at wind speeds exceeding the set point but automatically de energizes when the wind speed falls below the set point In the latching mode the relay energizes when the wind speed set point is exceeded and remains energized until manually reset The WSC 5 indicator control components are housed in a weather tight enclosure for maximum environmen tal protection Conduit connectors are mounted on the cabinet base for entry of respective cables A large terminal strip is provided within the enclosure for making the appropriate cable connections DELAY DELAY 0 MAKE BREAK OFF ON SPECIFICATIONS Controller Indicator Console Series WSC 5 Indicator range wind speed Indication actuation accuracy Set point adjustability Dual set point units Relay contact ratings Single set point output Double set point output Time delay for each set point Adjustable Standard Operator controls 1 2 3 4 Control console size Enclosure type Mounting Finish Temperature Range control units Excitation requirements Power consumption Wind Speed Sensor Model TV 114 Starting speed Signal output Excitation requi
12. ntly attached to the sensor unit Attach to console according to wire color code If necessary the cable may be cut down in length or wire may be added with negligible effect on the calibration If changing cable lengths more than a few hundred feet you may wish contact the factory to determine the severity of the effect on calibration Additional cable lengths are available from Texas Electronics if needed Step 12 Calibrate the Wind Vane Be sure console is operating properly first This is normally a two man job with one individual watching the direction indicated by the weather station and the other adjusting the sensor while watching a compass Two methods of aligning the vane are available The first method involves loosening the large set screw at the bottom of the wind direction sensor so that it will rotate on the U arm Turn the bottom half of the sensor until the compass readings and the indication match then retighten the set screw The second method involves rotat ing the entire mast assembly until proper orientation is achieved this technique is usually easier because of the heights involved but will usually necessitate repositioning rotating of the guy wire clamp If winds are creating rapid fluctuations in the vane making calibration difficult the vane can be temporarily se cured in a fixed position by carefully wedging a thickly folded piece of paper or cardboard into the gap between the upper and lower halves of the directio
13. on from sensor to indicator controller 60 feet normally supplied OPERATING INSTRUCTIONS A INSTALLATION Console and wind speed sensor may be mounted at any desired location The speed sensor should be mounted so that it will measure a true representative sample of the wind speed It should be mounted high enough to clear all obstructions in a ver tical position The mount tube supplied with the transmitter may be clamped to any convenient vertical mast as desired the indicator controller may be mounted either indoors or outside as required CABLE CONNECTIONS ALL OUTPUT RELAY CONTACTS ARE RATED 10 AMPS 30 VDC OR 277 VAC RESISTIVE 1 2 HP 250 VAC 1 3 HP 120 VAC Normally Closed C Common Normally Open PRIMARY POWER HI Black Hot LO White Neutral G Green Ground METER OUTPUT 0 1 VOLT WH White Positive BL Black Negative This output is load sensitive and must maintain its 1000 ohm calibrated load If a remote indicator is added it must be 0 1 Ma with an internal resistance of 1000 ohms When the proper meter is added the 1000 ohm resistor must be removed If a high impedance device is used 100K and up such as a Computer Interface PLC Data Logger or DPM is used leave the 1000 ohm resistor in place TWO BLANK TERMINALS There are no connections to these The customer may use them as Tie Points for external wiring if needed SPEED SENSOR Because the sensor is an AC generator polarity is not critic
14. peed in the vicinity of the gauge This reduction of wind speed will as a consequence also reduce possible eddy currents and turbulence around the gauge The presence of such objects is usually beneficial in providing a more accurate rainfall catch Ideally the windbreak objects fences bushes etc should be generally uniform in height and distance from the gauge Height above the gauge should not exceed about twice their distance from the gauge ANEROID BAROMETERS SELF CONTAINED MECHANICAL INSTRUMENTS AND ELEC TRONIC REMOTE BAROMETRIC PRESSURE SENSORS Select a site where the instrument will not be subject to rapid fluctuations of temperature or to jarring and continuous vibration Avoid exposing the instrument to direct sunlight or radiant heaters and to direct drafts such as open windows and doors Reference 1 0 5 Department of Commerce National Weather Service Bulletin LS 5927 Revised 0 4 12 January 1963 SOLAR RADIATION SENSORS The Solar Radiation Sensor is normally mounted on a level surface totally remote from trees poles or power lines that might cast a shadow on the sensor at any time of the day However there may be occasions because of extreme lati tudes when it is desired to mount the sensor at some angle other than level The sensors may also be mounted on a sun tracking mechanism or behind a shadow band if diffuse sky radiation is to be measured WIND DIRECTION amp SPEED SENSORS INSTALLATION Thes
15. rements Dimensions Finish Connection cable std Lubrication 0 to 100 mph 2 of full scale Adj over full scale Adj to within 0 mph of each other 10 amps 115 VAC resistive SPDT SPDT two adjustable from 1 to 1023 seconds on off switch latch automatic mode switch set point adjustment knob s time delay set point dip switches 1186 14 97 x 7 38 D NEMA 3 3R 4 4 AND12 Wall type Gray Fiberglass Inside Out 20 F to 165 F 105 130 VAC 60 Hz Approx 3 watts Nominally 2 0 2 5 mph Nominally 4 7 VAC 100MPH Self generating 18 diameter x 12 high Gold anodized aluminum 60 18 Gauge 2 conductor None THEORY OF OPERATION The WSC 5 wind speed indicator and control circuit consists of a specially designed optical panel meter relay and related accessories The unit combines a moving coil meter with a non contacting adjustable photo electric sensor switching circuit and output switch s A vane on the meter moving coil breaks a beam of light as the indicating pointer passes the wind speed set point reference pointer The photo transistor switches an electronic circuit that energizes de energizes the output relay s contacts which in turn operate either ON or OFF the controlled equipment The wind speed set pointer s is driven directly with an adjustable knob s which can be set to any de sired wind speed reference value When the wind speed sensor generated voltage signal exceeds the
16. set pointer speed reference value the electronic switching circuit energizes or de energizes the output relay depending upon initial installation The AUTO LATCH switch on the console is provided so that when it is in the AUTO position the operation of the equipment will be ON or OFF as the wind speed falls above or below the pre set value In the LATCH position ground path is pro vided which holds the relay s closed once the speed reference level is exceeded Relay contacts will remain in this position regardless of the input signal until the AUTO LATCH is switched back to AUTO Model Number System Description WSC 5 SDOR Single set point delay on operate and release WSC 5 DDOR Double set point delay on operate and release Wind speed is measured by a 3 cup anemometer which is remotely located from the wind speed control indicator assembly the rotating cup assembly is directly connected to a precision low torque alternating current generator The absence of brushes and contacts in this generator provide for long life and relatively low sensor starting thresh old of the generator is essentially equal to the of its bearings bearings are incorporated on both the anemometer and generator shafts which require no additional lubrication All exposed parts are constructed of gold anodized aluminum to resist adverse environmental conditions A plastic insulated two conductor shielded 18 gauge cable is provided for single transmissi
17. ustments are made by loosening the set screw to the lighter cup counter weight or fin and shifting it slightly away from the sensor head Step 3 Attach cross bar to U tube Spread end clamps and slide over the U tube Insert cross bar into the ends of both clamps Fasten cross bar in a level position with screws nuts and washers Step 4 Attach U bolts to cross bar and U tube Remove the two nuts and reinforcing plate from both U bolts do not remove the toothed bracket Insert one U bolt through the two holes in the cross bar and the other through the two holes in the bottom of the U arm be careful not to damage the wires inside the U arm Replace the tube reinforcing plate on the U bolt and replace the U bolt nuts Step 5 Slip the U bolts over the mast and tighten Make certain that the anemometer cups do not hit the mast Step 6 Attach guy wire clamp just below the U tube assembly Step 7 Attach base mount to the roof or side wall Note that the base mount U bolt will rotate to fit any angle Step 8 Install guy wire anchors not included or locate secure points for guy wire attachment Step 9 Erect mast and install guy wires not included and turn buckles not included Step 10 Ground the mast to help protect the sensors and structure from lightning hits Supplies needed mast wire clamp grounding wire wire supports and grounding rod Step 11 Run the sensor wire inside to the console Lead in wire is permane
Download Pdf Manuals
Related Search