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Texas Instruments WRL, User Manual, Page: 9 / 22

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Texas Instruments WRL User Manual Download Page 9

Texas Weather Instruments, Inc.                       

9

                     WRL Instruction Manual

Time/Date

Temperature

Barometer/Humidity

Rainfall

W EATHER REPORT

Clear

Minimum

Select

Maximum

Scale

Hold

Last

Hold

Comfort

Hold

Windchill

Hold

Report

76

Press 

select

 a second time; the unit displays the indoor temperature. Press the 

maximum

or 

minimum

 key to enter the actual temperature.

Windchill

Hold

- -.73

Indoor
O utdoor

Press 

select

 a third time - the unit displays the outdoor temperature. Press the 

maximum

or 

minimum

 key to enter the actual temperature.

Windchill

Hold

- -.28

Indoor
O utdoor

Press 

select

 

a fourth time; the unit displays barometric pressure. Press the 

maximum

 

or

minimum

 key to enter the actual barometric pressure.

Comfort

Hold

29 .9 2

Summary of Contents for WRL

Page 1: ...ndicator lights are extinguished The unit also cycles current barometric pressure current relative humidity and cycles daily monthly and term cumulative rainfall By utilizing the hold buttons associated with each display the user may select the most important readings to the user During wind speeds in excess of 99 miles per hour a small light turns on between the digits of the wind speed display T...

Page 2: ...ings There is one yellow cable that must be strung from the wind sensor to the console via the junction box The wind direction sensor is calibrated at the factory and should be installed with the wind sensor arm pointed to the North The wind sensor can be mounted in any direction and recalibrated via the WRL console but it is more convenient to use the precalibrated North reference If calibration ...

Page 3: ...er gasket on the junction box so that it can remain watertight Plug the yellow intermediate cable wind into the yellow pigtail exiting the back of the console Do the same for the blue cable temp humidity rain Next plug in the serial cable into the connector in the rear of the console and the proper serial port of your computer If you are supplying your own serial cable be sure that either you have...

Page 4: ...and time hold are pressed at exactly the same time the instrument enters logging mode When the select key is held for 10 seconds the unit will enter or exit protect mode Once the instrument is in its respective mode the select key is used to step through the different functions If the unit is in protect mode all of these functions are disabled Clear The clear key when depressed causes the unit to ...

Page 5: ... send all data in memory from the currently displayed record forward to the RS 232 port Hold The hold key when depressed toggled on stops the cycling between two different parameters on the same display Windchill The Windchill key when depressed calculates and displays using wind speed and temperature a factor that represents how cold the temperature and wind feel to bare flesh Pressing the windch...

Page 6: ...ode this function is disabled Time Date Temperature Barometer Humidity Rainfall WEATHER REPORT Clear Minimum Select Maximum Scale Hold Last Hold Comfort Hold Windchill Hold Report 90 Press select a again and the month will be displayed i e 1 Jan and 12 Dec Press the maximum and minimum key to set the month Report Hold AM PM 12 Press select a third time and the day of the month 1 31 digits light Pr...

Page 7: ...M 23 Press select a sixth time note the colon between the hours and minutes and the unit will display minutes Press the maximum or minimum buttons Report Hold AM PM 42 Press select a seventh time note only the right two digits the unit will display seconds Press the maximum or minimum buttons to set the seconds note the seconds is updated on the display only when the maximum or minimum button is b...

Page 8: ...Hold AM PM 09 Press select an eleventh time Note the single dot remains at the top between the hour and minute and the minutes of the peak hour will be displayed Change as desired Report Hold AM PM 31 Press select a twelfth time and the unit will return to normal display mode Calibration mode See the calibration reference section for other details Calibration Method Press select and scale at the s...

Page 9: ...plays the indoor temperature Press the maximum or minimum key to enter the actual temperature Windchill Hold 73 Indoor Outdoor Press select a third time the unit displays the outdoor temperature Press the maximum or minimum key to enter the actual temperature Windchill Hold 28 Indoor Outdoor Press select a fourth time the unit displays barometric pressure Press the maximum or minimum key to enter ...

Page 10: ...ction Press the maximum or minimum key to enter the actual wind direction Press select an eighth time the unit will return to the normal display mode Humidity Sensor Calibration This function is only used if a new humidity sensor is installed Press select and humidity hold to enter this mode The first number to appear is the voltage at 0 humidity that the sensor outputs Press select again and a se...

Page 11: ...d like the data saved through the print set routine Once in logging mode press the minimum or maximum key to move forward or backward through the data The date and time of the line of date will be displayed in the time date window If you have a printer connected to the display pressing the report key from within the logging mode directs the WRL to output data from the data displayed point forward ...

Page 12: ...FF OFF ON 7 ON ON ON When rain rate is off term rain is substituted Press select a fourth time to select the baud rate of the serial output Press the maximum and minimum keys to change the display Press select a fifth time to select log interval hours The log interval tells the Weather Report to send data to the internal memory and at which interval to do so Press the maximum or minimum to change ...

Page 13: ... weather applications like WeatherView32 The WRL responds to the following ASCII characters sent by computers with ASCII space delimited text Command Characters V Firmware version number S Firmware Serial I Unit ID number C Unit responds with a daily minimum and maximum of all parameters then clears The rainfall rate is present rather than term rain Sample MIN 07 24 90 SW 00MPH 000F 067F 067F 054 ...

Page 14: ... present rather than the term rain Note in 30 04R the R denotes rising pressure Sample 5 15 07 24 90 SSE 04MPH 052F 069F 078F 099 30 04R 00 19 D 01 38 M 11 78 T r Unit responds with current conditions The term rain is present rather than the rainfall rate Note in 30 04F the F denotes falling pressure a S character denotes steady pressure Sample 5 15 07 24 90 SSE 04MPH 052F 069F 078F 099 30 04F 00 ...

Page 15: ...he AM PM style is displayed Aux display disable is the fourth option when it is on the temperature display cycles between the indoor and outdoor values only If you do not have options such as aux temperature or solar radiation aux display disable should be turned on Instant wind speed output is the fifth option When turned on the windspeed output to the RS 232 port is an instant reading rather tha...

Page 16: ...thly Rainfall Time Date Direction Speed Aux Indoor Outdoor Humidity Pressure Rain Rain Rate 15 00 07 24 90 127 03MPH 070F 069F 082F 090 30 04 00 01 D 01 20 M 00 00 R 15 15 07 24 90 130 04MPH 052F 069F 078F 099 30 04 00 19 D 01 38 M 00 72 R 15 30 07 24 90 122 02MPH 065F 068F 072F 089 30 04 00 19 D 01 38 M 00 00 R MIN 07 24 90 123 00MPH 070F 067F 067F 054 30 00 00 19 D 01 38 M 00 00 R MAX 07 24 90 1...

Page 17: ...tting two voltages found on the humidity sensor into the WRL Humidity calibration factors can be entered by depressing select and humdity hold at exacty the same time The humidity calibration numbers are found on the humidity temperature sensor and on the back of the instrument console These calibration numbers are supplied to us by the manufacturer of the sensor and are normally not changed Rainf...

Page 18: ...elected outputs rainfall rate instead of term rain in the report function Lunar Tide Cycle The lunar tide cycle function may be set to display the position of the moon in relation to its revolution around the earth The moon s position is the primary although not the only factor in predicting high and low coastal tides High tides are generally present when the moon is overhead or when the moon is 1...

Page 19: ... depressing clear and last rain at the same time The term rainfall register may be used for any term desired by the user but is most commonly used to account for yearly rainfall The memories can also be changed by using TWICAL Rainfall history mode If the information is available the actual daily monthly and term rainfall amounts that occurred before the installation of the weather station may be ...

Page 20: ...6 8 10 1 3 5 7 9 RS232 10 pin header RS232 pig tail Note strip must be on the left side 75 amp fuse Figure 2 3 2 1 Power LED Wind Speed Yellow Aux solar and Indoor temperature Red Either jack if installed Outdoor temperature humidity and rain Blue Either jack if installed ...

Page 21: ...cular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures Reorient or relocate the receiving antenna of the affected radio or television Increase the separation between the equipment and the affected rece...

Page 22: ...FUNCTION KEYS 4 H Hold 5 Humidity Sensor Calibration 10 17 I Installation 1 J junction box 1 2 3 L Last 5 Logging Mode 11 lunar tide cycle 18 Lunar Tide Cycle 18 lunar tide cycle 4 M Maximum 5 Minimum 4 Modem Installation 16 N Normal Operation 1 null modem adapter 3 O Operation 13 OPERATION 4 P pagoda 1 2 Print Set 11 Protect Mode 13 R Rainfall 17 Rainfall history mode 19 Reference 15 Report 5 Rep...

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