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Texas Instruments WRL-10 - page 1
Texas Weather Instruments, Inc. 1 WRL Instruction Manual 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 kee ...
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Texas Instruments WRL-10 - page 2
Texas Weather Instruments, Inc. 2 WRL Instruction Manual 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 ...
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Texas Instruments WRL-10 - page 3
Texas Weather Instruments, Inc. 3 WRL Instruction Manual 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 ...
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Texas Instruments WRL-10 - page 4
Texas Weather Instruments, Inc. 4 WRL Instruction Manual OPERATION Report Hold Windchill Hold Comfort Hold Last Hold Select Clear Min Max Scale Barometer/Humidity Rainfall Average Date/Time Weather Report Temperature FUNCTION KEYS Select The select key, when depressed at exactly the same time as the report key, puts the unit into time/date and luna ...
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Texas Instruments WRL-10 - page 5
Texas Weather Instruments, Inc. 5 WRL Instruction Manual 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 k ...
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Texas Instruments WRL-10 - page 6
Texas Weather Instruments, Inc. 6 WRL Instruction Manual ¸ 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. . T i m e / D a t ...
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Texas Instruments WRL-10 - page 7
Texas Weather Instruments, Inc. 7 WRL Instruction Manual 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. R epo r t H o l d A M P M 0 4 Press select a fifth t ...
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Texas Instruments WRL-10 - page 8
Texas Weather Instruments, Inc. 8 WRL Instruction Manual 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. R epo r t H o l d A M P M - - . 5 1 Press select a tenth t ...
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Texas Instruments WRL-10 - page 9
Texas Weather Instruments, Inc. 9 WRL Instruction Manual T i m e / D a t e T e m pe r a t u r e B a r o m e t e r / H u m i d i t y R a i n f a ll W EA T H E R R E P O R T C l ea r M i n i m u m S e l e c t M a x i m u m S c a l e H o l d La s t H o l d C o m f o r t H o l d W i nd c h il l H o l d R epo r t 7 6 Press select a second time; the unit ...
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Texas Instruments WRL-10 - page 10
Texas Weather Instruments, Inc. 10 WRL Instruction Manual 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). H o l d 2 D a il y M o n t h l y II n c h T e r m L a s t Press select a s ...
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Texas Instruments WRL-10 - page 11
Texas Weather Instruments, Inc. 11 WRL Instruction Manual 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). T i m e / D a t e T e m pe r a t u r e B a r o m e t e r / H u m i d i t y R a i n f a ll W EA T H E R R E P O R T C l ea r M i n i m u m S e l e c t ...
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Texas Instruments WRL-10 - page 12
Texas Weather Instruments, Inc. 12 WRL Instruction Manual 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 betw ...
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Texas Instruments WRL-10 - page 13
Texas Weather Instruments, Inc. 13 WRL Instruction Manual 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 prot ...
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Texas Instruments WRL-10 - page 14
Texas Weather Instruments, Inc. 14 WRL Instruction Manual 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 th ...
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Texas Instruments WRL-10 - page 15
Texas Weather Instruments, Inc. 15 WRL Instruction Manual 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 prin ...
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Texas Instruments WRL-10 - page 16
Texas Weather Instruments, Inc. 16 WRL Instruction Manual 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 ad ...
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Texas Instruments WRL-10 - page 17
Texas Weather Instruments, Inc. 17 WRL Instruction Manual 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 altitu ...
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Texas Instruments WRL-10 - page 18
Texas Weather Instruments, Inc. 18 WRL Instruction Manual 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 s ...
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Texas Instruments WRL-10 - page 19
Texas Weather Instruments, Inc. 19 WRL Instruction Manual 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, ...
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Texas Instruments WRL-10 - page 20
Texas Weather Instruments, Inc. 20 WRL Instruction Manual + - Power 9vdc 2 4 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 in ...
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Texas Instruments WRL-10 - page 21
Texas Weather Instruments, Inc. 21 WRL Instruction Manual FCC RADIO FREQUENCY INTERFERENCE STATEMENT NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pur suan t to Part 15, Subpart B, of the FCC Rules. This equipment generates, uses, and can radiate radio fre quency energy. If not installed and ...
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Texas Instruments WRL-10 - page 22
Texas Weather Instruments, Inc. 22 WRL Instruction Manual A ASCII characters, 13 AT control signals, 16 Average , 5 B Barometric Pressure , 17 C Calibration , 17 Calibration Method , 8 Calibration mode, 8 Clear , 4 Clearing the Memories , 19 Comfort , 5 Command Characters , 13 Computer Interface , 16 Control Options , 15 D daylight savings mode, 15 ...
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