Instruction/ maintenance manual of the product WR-25 Texas Instruments
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Weather Report ™ Digital Weather Station WR-25 index Thank you for purchasing a Weather Report. Your package should contain a WR-25 console, wind sensor, temperature/humidity sensor, rain collector and this manual. Normal Operation When in normal operation (no buttons depressed).
C A U T I O N !! :BE EXTREMELY CAREFUL NOT TO TOUCH ANY HIGH POWER LINES DURING INSTALLATION OF THE VARIOUS SENSORS!!! The WR-25 wind direction and speed sensor is normally mounted on television type antenna masts ( see Figure 1 ). For best results the wind sensor should be mounted at least 10 feet above the roof of the building.
OPERATION index / top FUNCTION KEYS Select The select key, when pressed at 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 pressed at the same time, the unit enters the calibration set mode.
English to Metric equivalents are miles per hour or Knots to Kilometers per hour, Fahrenheit to Celsius, Inches of Mercury to Millibars, Inches of rain to Centimeters of rain. Pressing the select and scale key at the same time puts the unit into calibration mode.
Press select a second time, and the month will be displayed (i.e., 1 = Jan. and 12 = Dec.). Press the maximum and minimum key to set the month. Press select a third time, and the day of the month (1-31) digits light. Press the maximum to advance the date and minimum to retard the date.
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. Press select a sixth time (note the colon between the hours and minutes), and the unit will display minutes.
Press select a tenth time (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. Press select an eleventh time (the single dot remains at the top between the hour and minute), and the minutes of the peak hour will be displayed.
Press select a second time and the unit displays the indoor temperature. Press the maximum or minimum key to enter the actual temperature. Press select a third time - the unit displays the outdoor temperature. Press the maximum or minimum key to enter the actual temperature.
Press select a fifth time, and the unit displays in the rainfall window: 0, 1, 2, or 3. 2 is the normal display. Press the maximum or minimum key to enter the proper number ( see calibration reference for more information). Press select a sixth time; the unit will display in the rainfall window a reading ranging from .
Press select a third time, and the minimum/maximum and form feed options 0 through 7 may be selected as illustrated in the table below: SETTING MIN/MAX FORM FEED RAIN RATE 0 OFF OFF OFF 1 ON OFF OFF 2 OFF OFF OFF 3 ON ON OFF 4 OFF OFF ON 5 ON OFF ON 6 OFF OFF ON 7 ON ON ON When rain rate is off, term rain is substituted.
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 070F 067F 067F 054% 30.
index / top The TWI_LOG program. TWI_LOG is an IBM PC software utility which enables the user with special applications to communicate and set various functions of the WRL. Insert the TWI_LOG diskette into your disk drive and type TWI_LOG then press enter.
TWI Main Menu F1 Report Output F2 Retrieve Log Data F3 Display Log Data F4 Purge Log Data F5 Display Cal Data F6 Graphic Log Data F7 Print Log Data F8 Get Version again F9 Set Date/Time F10 Exit Progr.
Inx Value Description Inx Value Description 1 85 temp:aux 20 94 clock years 2 65 temp: inside 21 11 clock month 3 73 temp: outside 22 22 clock day of month 4 29.92 barometric pressure 23 2 clock day of week::Mon: 5 0 elevation 24 11 clock hours 6 0.750 MVP @ 0.
hours or minutes depending on the setting of the report interval units (19) 15) Report output interval LO , sets the automatic data dump interval to the RS232. Value can be in minutes or seconds depending on the setting of the report interval unites (19).
Pressing F10 will exit the program. Direct data retrieval from a DOS prompt may be accomplished by entering TWI_LOG ? /dl , where the ? equals the line of the unit as defined in the twi_com.dat file. For example entering TWI_LOG 1 /dl would access in our current setup the Green unit.
The pin out on the RS-232interface is as follows: . DE 9 Plug Header Pin 1 Pin 1 . . . Pin 2 Pin 3 . . . Receive Data 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 .
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.
SETTING MIN/MAX FORM FEED RAIN RATE 0 OFF OFF OFF 1 ON OFF OFF 2 OFF OFF OFF 3 ON ON OFF 4 OFF OFF ON 5 ON OFF ON 6 OFF OFF ON 7 ON ON ON When rain rate is off, term rain is substituted. Min/Max, when selected outputs at midnight the minimum and maximum value for the day.
to your area, any cycle that lasts between 1 and 99 hours may be displayed. Clearing the Memories 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.
FCC RADIO FREQUENCY INTERFERENCE STATEMENT NOTE : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15, Subpart B, of the FCC Rules. This equipment generates, uses, and can radiate radio frequency energy.
1/6/96 Troubleshooting index / top I nstrument display does not come on. Make sure receptacle has power by plugging another appliance into it. Check that the transformer is properly wired into instrument (the leads could be reversed or not seated properly).
B Barometric Pressure , 20 Barometric pressure calibration , 16 baud rate , 17 C Calibration Method , 8 Calibration mode , 8 Calibration Reference , 20 Clear , 4 Clearing the Memories , 23 Comfort , 5.
lunar/tide cycle , 4 M Maximum , 4 Minimum , 4 minutes , 17 modem adapter , 19 Modem Installation , 19 month , 17 N Normal Operation , 1 O OPERATION , 4 Outside temperature calibration , 16 P pagoda, 2 , 26 Print Set , 11 prn_day.
Special Key Functions , 22 T Temperature , 20 temperature/humidity sensor , 2 Term rainfall history register , 17 tide clock , 23 Time display , 17 Time Setting Mode , 6 Trend indicators , 1 Troubleshooting twi_com.
An important point after buying a device Texas Instruments WR-25 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Texas Instruments WR-25 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Texas Instruments WR-25 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Instruments WR-25 you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Instruments WR-25 will certainly help you make a decision on the purchase.
If you already are a holder of Texas Instruments WR-25, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Instruments WR-25.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments WR-25. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments WR-25 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
