Control Options

WR-25 Instruction Manual

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_LOG 2 /dl would access the Red unit. After the data is retrieved the program will return to the DOS prompt. For automatic data retrieval of multiple units at a predetermined time a commercial PC scheduling program may be use.

You may look at data that is stored on disk even if you are not tied directly to that weather station by entering TWI_LOG /ixxx where xxx equals the ID number of the unit (the unit ID may be set using the F5 function key within TWI_LOG). At the DOS prompt TWI_LOG /I135 would access the data for unit 135.

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Control options can be changed through the print set routine, see page 13 for directions on changing this number. These control options can also be changed through the optional TWI_LOG program F5 screen. The first control option is wind speed scale. When turned on, the wind speed is in knots instead of the normal mile per hour or kilometer per hour when in metric scale. The second control option selects the manner in which the time is displayed. 24 hour military style or the AM PM format. When on, the AM PM style is displayed. Aux display disable is the third option, when it is on the temperature display cycles between the indoor and outdoor values only. If you do not have options such as aux temperature or solar radiation aux display disable should be turned on. Instant wind speed output is the fourth option. When turned on the windspeed output to the RS-232 port is an instant reading rather than a one minute average.

To turn on the desired control options via the weather station display, refer to the table below, add up the values of the controls that should be turned on and enter that value into the weather instrument via the print set function (see page 11). The default value is 224. For example if you wanted AM PM turned on and instant wind speed output turned on you would add 32+128 which equals 192. Enter 192 into the weather instrument via the print set function.

Knots on	16
AM PM on	32
Aux disable on	64
Instant wind speed on	128
total

You may also change these functions via the software program TWI_LOG F5 routine RS-232

Interface

RS-232 Interface

Texas Weather Instruments, Inc.

WR-25 Instruction Manual

WR-25 specifications

Texas Instruments WR-25 is a high-performance digital data acquisition system designed for a wide range of industrial and scientific applications. Known for its reliability and precision, the WR-25 has become a popular choice among professionals in fields such as environmental monitoring, structural analysis, and industrial automation.

One of the most notable features of the WR-25 is its ability to support a variety of input types, including voltage, current, and thermocouple signals. This flexibility makes it suitable for diverse applications, allowing users to monitor various parameters with ease. The WR-25 also boasts a high sampling rate, which ensures that data is captured accurately and in real-time, providing users with timely insights into their processes.

The WR-25 is equipped with advanced signal processing capabilities, enabling it to filter and analyze data effectively. This allows for the extraction of valuable information from noisy signals, thereby increasing the reliability of measurements. Moreover, its built-in data logging features provide users with the ability to store and retrieve historical data, facilitating trend analysis and long-term monitoring.

In terms of connectivity, the WR-25 comes with multiple interface options, including USB, Ethernet, and serial ports, allowing seamless integration with various devices and systems. This ensures that users can easily connect the WR-25 to their existing infrastructure without the need for extensive modifications.

The WR-25 is designed with user-friendly software that simplifies the data acquisition process. The intuitive interface enables users to configure settings, visualize data, and generate reports with minimal effort. Additionally, the software supports various programming languages, making it accessible for both novice users and experienced developers.

High durability is another key characteristic of the WR-25. Built to withstand harsh environmental conditions, it features robust housing that protects it from dust and moisture. This rugged design makes it suitable for deployment in challenging settings, ensuring uninterrupted operation.

In summary, the Texas Instruments WR-25 is a versatile and reliable digital data acquisition system that offers an array of features and technologies to meet the demands of modern applications. With its high sampling rates, flexible input options, advanced signal processing capabilities, and user-friendly software, the WR-25 stands out as a powerful tool in the realm of data acquisition and analysis.