Instruction/ maintenance manual of the product WRL-10 Texas Instruments
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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.
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.
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.
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 Re.
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.
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.
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.
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.
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.
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).
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).
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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.
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 mod.
An important point after buying a device Texas Instruments WRL-10 (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 WRL-10 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 WRL-10 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Instruments WRL-10 you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Instruments WRL-10 will certainly help you make a decision on the purchase.
If you already are a holder of Texas Instruments WRL-10, 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 WRL-10.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments WRL-10. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments WRL-10 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
