Texas Instruments WR-25 - Manuals

Page 2 - temperature/humidity sensor; should be mounted under the eaves, out of the rain and; pagoda; housing should be secured at the time of purchase; location is very important!; Ideally, the outside

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 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 ab...

Page 6 - explained in the Lunar Tide

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...

Page 7 - Calibration mode; index; Calibration Method

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 th...

Page 9 - see calibration; Humidity Sensor Calibration

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 re...

Page 10 - ASCII characters

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: SETTINGMIN/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...

Page 13 - Pressing F1; Communicating with the WRL (page 14; Pressing F2

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 Program Pressing F1 enables the user to communicate with the WRL using all the commands referred to in th...

Page 14 - Daily rainfall history register

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 @ 0.0% HR 25 24 clock minutes 7 3.255 MVP @...

Page 15 - saves data in the units memory when set; Pressing F6

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).16) Report Min/Max turns on the min-max funct...

Page 16 - REFERENCE; Control Options

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. Entering TWI_LO...

Page 17 - A modem may be used with the WR-25 for remote operations. A; modem adapter; which is available; AT; , so in order for the modem to properly answer, the modem must be told

The pin out on the RS-232interface is as follows:. DE 9 Plug Header Pin 1 Pin 1 . . .Pin 2 Pin 3 . . . Receive DataPin 3 Pin 5 . . . Transmit DataPin 4 Pin 7 . . . . Data Set ReadyPin 5 Pin 9 . . . Signal GroundPin 6 Pin 2 . . . Data Terminal Ready (must be true to send data)Pin 7 Pin 4 . . . Clear ...

Page 18 - rain inc flag; daily rainfall register; last; Report Flag; normally used when outputting directly to a printer

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 barometricpressure reading you obtained from the local media by using the calibration mode function. Temperature If ...

Page 19 - Dewpoint

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. Thereport function must be ...

Page 21 - FCC RADIO FREQUENCY INTERFERENCE STATEMENT; NOTE; Changes or modifications not expressly approved by; SHIELDED CABLE

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 canradiate radio frequency energy. If not installed and used in acc...

Page 22 - Troubleshooting; Index; Average; average wind data

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 isproperly wired into instrument (the leads could be reversed or not seated properly). Check that thefuse is intact (.75 amp fuse ...