Texas-instruments WR-25 User Manual

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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). the instrument displays current wind direction
and speed, cycles current time and date, cycles current indoor, outdoor and if selected, aux
temperatures (if both the indoor and outdoor indicator lights are extinguished, Aux. temperature is
displayed) 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. When wind speed exceeds 99 miles per hour, a
small green light will turn on between the digits of the wind speed display.
Trend indicators (arrows) are located to the right of the temperature, relative humidity, and
barometric pressure displays. If, for example, the current relative humidity was increasing. the up
trend arrow would be lit. If there was no change, no arrow would be lit.
INSTALLATION
index / top
We strongly suggest that all the weather station sensors be connected to the weather station
and tested prior to installation so that you may become familiar with the operation of the
instrument.
The WR-25 uses three sensors to gather weather data. The wind direction and speed sensor, the
temperature and humidity sensor (a small black box) and the rain collector (see figure 1). The wind
sensor and the rain collector are designed to mount to a television type mast (not provided). The
cables from the sensors attach to the console via RJ-45 connectors in the rear of the unit. Each
sensor has its own color coded plug, yellow for wind, blue for humidity/temperature and blue for
rain. The blue connectors are interchangeable with each other.
WR-25 Instruction Manual
Texas Weather Instruments, Inc. WR-25 Instruction Manual
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Summary of Contents

Page 1 - Weather Report ™

Weather Report ™Digital Weather StationWR-25indexThank you for purchasing a Weather Report. Your package should contain a WR-25 console, windsensor, t

Page 2

Press select a third time, and the minimum/maximum and form feed options 0 through 7 may beselected as illustrated in the table below: SETTINGMI

Page 3

V- Firmware version numberS- Firmware Serial#I- Unit ID numberC- Unit responds with a daily minimum and maximum of all parameters, then clears. The ra

Page 4

index / topThe TWI_LOG program. TWI_LOG is an IBM PC software utility which enables the user with specialapplications to communicate and set various f

Page 5

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

Page 6

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

Page 7

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

Page 8

Pressing F10 will exit the program.Direct data retrieval from a DOS prompt may be accomplished by entering TWI_LOG ? /dl, wherethe ? equals the line o

Page 9

The pin out on the RS-232interface is as follows:.DE 9 Plug HeaderPin 1 Pin 1 . . .Pin 2 Pin 3 . . . Rece

Page 10 - WR-25 Instruction Manual

Normally, barometric pressure is the only item that needs to be recalibrated (adjusting for altitude).The proper local barometric pressure can be obta

Page 11

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 ONWh

Page 12 - Sample twi_com.dat file

C A U T I O N !! :BE EXTREMELY CAREFUL NOT TO TOUCH ANY HIGH POWER LINESDURING INSTALLATION OF THE VARIOUS SENSORS!!!The WR-25 wind direction and spee

Page 13

to your area, any cycle that lasts between 1 and 99 hours may be displayed.Clearing the MemoriesWhen the clear button is depressed and held, the unit

Page 14

FCC RADIO FREQUENCY INTERFERENCE STATEMENTNOTE: This equipment has been tested and found to comply with the limits for a Class B digitaldevice, pursua

Page 15

1/6/96 Troubleshootingindex / topInstrument display does not come on.Make sure receptacle has power by plugging another appliance into it. Check that

Page 16

BBarometric Pressure, 20Barometric pressure calibration, 16baud rate, 17CCalibration Method, 8Calibration mode, 8Calibration Reference, 20Clear, 4Clea

Page 17

lunar/tide cycle, 4MMaximum, 4Minimum, 4minutes, 17modem adapter, 19Modem Installation, 19month, 17NNormal Operation, 1OOPERATION, 4Outside temperatur

Page 18

Special Key Functions, 22TTemperature, 20temperature/humidity sensor, 2Term rainfall history register, 17tide clock, 23Time display, 17Time Setting Mo

Page 19

OPERATIONindex / topFUNCTION KEYS Select The select key, when pressed at the same time as the report key, puts the unit intotime/date and lunar/t

Page 20

English to Metric equivalents are miles per hour or Knots to Kilometers per hour, Fahrenheit toCelsius, Inches of Mercury to Millibars, Inches of rain

Page 21

Press select a second time, and the month will be displayed (i.e., 1 = Jan. and 12 = Dec.). Pressthe maximum and minimum key to set the month.Press se

Page 22

Press select a fifth time (note the colon between the hours and minutes), and the unit will displaythe time in military hour style. Press the maximum

Page 23

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

Page 24

Press select a second time and the unit displays the indoor temperature. Press the maximum orminimum key to enter the actual temperature.Press select

Page 25

Press select a fifth time, and the unit displays in the rainfall window: 0, 1, 2, or 3. 2 is the normaldisplay. Press the maximum or minimum key to en

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