Davis WeatherLink Irrigation Add. User Manual Page 1

1 WeatherLink® for Irrigation Control Addendum Introduction This Data Logger is designed for use with most common irrigation systems, including those

10 of 3 days (Friday – Monday) or a weekly watering period (7 days). Since most ET occurs during the day on a daily basis, using these values will pr

11 minutes. If you want your irrigation system to immediately stop watering whenever any rain occurs, set the Rain Rate Cut-Off value to 0.01” (0.1 m

12 To use the Alarm output function, connect the Alarm connection of the irrigation connector block to the Rain Sensor or Common connection on the Spr

13 Contact Specifications The “contact” closure is provided by a photo-coupled MOS device. Because it is a solid-state device, it is not subject to a

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16 Product Number: 06560 Davis Instruments Part Number: 07395.216 WeatherLink for Irrigation Control Rev B Addendum (

2 • Industrial Irrigation Controller with inputs for wind, rain, and/or ET; or a Residential Controller with a Common or a Rain Sensor connection. I

3 Finding the Correct Serial Port The configuration software includes a procedure for locating the serial port to which your streaming data logger is

4 Logger Type The software indicates the logger type and firmware revision level of the streaming data logger in the logger type box.

5 Time Out Period Normally, the Irrigation data logger will send pulse data to an Automated Irrigation Sprinkler System Controller. However, the Irr

6 Advanced The following functions apply to the alarm output: Delay on Release Use this function in conjunction with the Alarm output and the Van

7 determines the time between pulses. In most cases, there is no need to alter this value unless directed to do so by the Irrigation controller manuf

8 will be depressed to indicate Closed circuit mode and raised to indicate Open circuit mode. To utilize this function effectively, you will need to

9 irrigation system to run. Positive numbers in the balance indicate more rain and irrigation than ET; negative numbers indicate more ET than rain an