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WRL
Weather Report Logger
The WRL senses wind, temperature, humidity, barometric pressure, rainfall and time, then
outputs this data via a RS-232 interface to other devices. The WRL can be programmed
to output current weather, along with minimum and maximum conditions for the day. The
WRL keeps track of two different minimum and maximum values and up to 8000 lines of
data (depending on memory size) in its non-volatile memory clock. The WRL-10 has 2K of
memory and will retain approximately 30 l
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There is lightning protection (transient voltage suppressers) built into the junction box. It is very important that the mast is grounded or else the transient voltage suppressers will not protect your instrument. The junction box picks up earth ground through the hose clamps mounting the box. We suggest that you install a copper-grounding rod (available at Radio Shack) and run the heavy gauge wire directly behind the hose clamps of the junction box. This arrangement will ground your mast and
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collector unencumbered by surrounding obstacles. Use a bubble level to make sure that the collector is perfectly level with the ground. Failure to level the collector will cause inaccurate rainfall readings. The rain collector has one blue cable, which must be connected to the console via the junction box. Mount the junction box under the rain collector using the hose clamps that are installed on the box (see figure 1)and remove the front cover of the junction box. Next insert the connectors
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OPERATION Report Hold Date/Time Windchill Temperature Hold Comfort Hold Barometer/Humidity Average Last Hold Rainfall Select Clear Min Max Scale Weather Report FUNCTION KEYS Select The select key, when depressed at exactly the same time as the report key, puts the unit into time/date and lunar/tide cycle set mode. When the select and scale keys are depressed at exactly the same time, the unit enters the calibration set mode. When the select and average keys are pressed at the same time, the uni
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cleared. In addition to the minimum reading, the unit displays the date and time of its occurrence. The date and time display must not be on hold in order to display both date and time. Maximum The maximum key functions the same as the minimum key, but with maximum readings. Scale The scale key changes the displays from reading in English values to those of Metric values. The inch light near the rain display is on when the instrument is in English mode. The English to Metric equivalents are mi
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¸Time Setting Mode: Press select and report at the same time, and the last two digits of the year displays (i.e., 90 = 1990). Press the maximum button to advance the year and the minimum button to retard the year. If the unit is in protect mode this function is disabled. . Report Time/Date Hold Windchill Temperature 90 Hold Comfort Barometer/Humidity Hold Last Rainfall Hold Select Clear Minimum Maximum Scale WEATHER REPORT Press select a again and the month will be displayed (i.e., 1 = Jan. and
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Press select a fourth time, and the day of the week is displayed (1 = Sunday, 2 = Monday, 3 = Tuesday, 4 = Wednesday, 5 = Thursday, 6 = Friday, and 7 = Saturday. Press the maximum button to advance the day of the week and minimum to retard. Report AM 04 PM Hold Press select a fifth time (note the colon between the hours and minutes), and the unit will display the time in military hour style. Press the maximum button to advance the hour or minimum to retard the hour. Report AM 23:- - PM Hold P
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Press select a ninth time (Note: the single dot remains at the bottom, separating the hour and minute); the lunar/tide clock will display the minutes of the cycle. Press the maximum or minimum buttons to set the minutes of the cycle. Report AM - -.51 PM Hold Press select a tenth time (Note: the single dot is now located at the top, between the hour and minute); the peak of the cycle hour (usually high tide) will be displayed. Change as desired. Report AM 09'- - PM Hold Press select an eleventh t
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Report Time/Date Hold Windchill 76 Temperature Hold Comfort Hold Barometer/Humidity Last Hold Rainfall Select Clear Minimum Maximum Scale WEATHER REPORT Press select a second time; the unit displays the indoor temperature. Press the maximum or minimum key to enter the actual temperature. Windchill Indoor Outdoor - -.73 Hold Press select a third time - the unit displays the outdoor temperature. Press the maximum or minimum key to enter the actual temperature. Windchill Indoor Outdoor - -.28 Hold
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Press select a fifth time; the unit displays 0, 1, 2, or 3 in the rainfall window. 2 is the normal display. Press the maximum or minimum key to enter the proper number (see calibration reference for more information). Last Daily IInch Monthly Term 2 Hold Press select a sixth time; the unit will display a reading ranging from .01 to .1 in the rainfall window. Press the maximum or minimum button to enter the proper number which is usually .01. Last Daily IInch Term Monthly .01 Hold Press se
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Logging Mode Press select and time hold at the same time to enter logging mode (note that all the trend indicators are on when in this mode). Report Time/Date Hold 10:23 Windchill Temperature Hold 76 Comfort . 29.92 Hold Barometer/Humidity Last Hold Rainfall 2.35 Select Clear Minimum Maximum Scale WEATHER REPORT Logging mode allows the user to view previously logged data via the display. (You can only enter logging mode if there is data in the logging memory). You may choose what interval of t
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second, log interval, determines how often the unit saves data to its internal memory. If the unit is in protect mode this function is disabled. Pressing select and average at the same time puts the unit into print set mode. The unit first displays the report interval in number of hours between lines of printed information. Press the maximum and minimum keys to change display. Pressing select a second time displays the number of minutes between lines of information. Press the maximum and minimu
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Protect Mode When the unit is in protect mode, scale, time setting, calibration and print set modes are disabled. To enter or exit protect mode, press the select key for more than 10 seconds. The WRL will display PPPP in the time and date window when the select key is depressed while in protect mode. Daylight Savings Mode When enabled through the print set routine, the unit will automatically adjust the time to correspond with daylight savings time. When daylight savings mode is enabled, two d
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d- Unit responds in an identical manner as the c command but does not clear the system memory E or e- Unit responds with minimum and maximums along with date and time of occurrence. This uses the same buffer as the c and d command. M- Unit responds with all term minimums and maximums with the date and time of their occurrence, then clears. m- Unit responds in an identical manner as with the M command but does not clear the system memory. Sample TA 10:33 038F TA 09:32 056 F TI 04:15
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date time temp humidity bp rain wind speed direction Note: if you have the optional solar sensor, all aux temperature data will be replaced with solar data followed by the letter K. Reference Control Options Control options can be changed via the console using the print set routine (see print set mode). These control options can also be changed using TWICAL software, which is available on www.txwx.com. The first control option is daylight savings mode.
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Pin 3 Pin 5 . . . Transmit Data Pin 4 Pin 7 . . . . Data Set Ready Pin 5 Pin 9 . . . Signal Ground Pin 6 Pin 2 . . . Data Terminal Ready (must be true to send data) Pin 7 Pin 4 . . . Clear to Send Pin 8 Pin 6 . . . Request Send Pin 9 Pin 8 . . . To communicate with a computer a null modem adapter or cable must be used. Modem Installation A modem may be used with the WRL for remote operations. A modem adapter must be used to properly connect the weather station to a modem. For auto answering, a
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Calibration The Weather Report comes pre-calibrated from the factory, but it is possible to recalibrate most of the primary functions of the instrument using TWICAL program. Barometric Pressure Normally, barometric pressure is the only item that needs to be recalibrated (adjusting for altitude). The proper local barometric pressure can be obtained from the local news. Set the barometric pressure reading you obtained from the local media by using the calibration mode function. Temperature If for
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The daily rainfall register is zeroed every day at midnight. The monthly rainfall register is zeroed on the last day of each month at midnight. The term rainfall register is never zeroed automatically, it must be manually zeroed through the calibration routine. Report Flag The report flag selects the format of the RS-232 output and may be changed via the the print set mode or the TWICAL program calibration SETTING MIN/MAX FORM FEED RAIN RATE 0 OFF OFF OFF 1 ON OFF OFF
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When the clear button is depressed and held, the unit will display the date and time the instrument's memory was last cleared. In order to clear the memories, the clear and minimum button must be pushed at the same time. The items cleared are as follow: minimum and maximum, wind speed, temperature (indoor, outdoor, and aux), barometric pressure and humidity. Daily rainfall is cleared automatically at midnight every night. Monthly rainfall is cleared automatically at midnight on the last day of t
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- + Texas Weather Instruments, Inc. 20 WRL Instruction Manual Note: strip must be on the left side Figure 2 RS232 pig tail 2 4 6 8 10 RS232 10 pin header 1 3 5 7 9 .75 amp fuse Outdoor temperature, humidity Aux (solar) and Indoor and rain- Blue. Either jack if temperature- Red Wind Speed-Yellow Either jack if installed installed. Power 9vdc Power LED 1 2 3
