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Time Out Period 
 

The Alarm Output data logger will always hold an attached device in the 
appropriate state (On or Off) as dictated by the alarm settings.  However, the 
Alarm Output data logger utilizes a time-out period for ceasing checking the 
alarm conditions whenever software attempts to communicate to the logger.  
The default and minimum setting is 5 seconds.  Once the time out period 
ends, the data logger will again check the alarm conditions to determine 
whether to leave an output open or closed.  You may adjust this value if you 
want the alarm checking functions to resume later after communicating to the 
logger using WeatherLink or the Streaming Data Utility. 
 
Press OK to configure this setting in the dialog box.  Press Cancel to exit the 
dialog box and preserve the original settings. 
 
Note:  Once communications to WeatherLink are initiated and successful, the 
streaming data logger will be unable to communicate with the Streaming 
Data Utility until the Time Out Period expires.  If you need to communicate to 
the logger with both the Streaming Data Utility and WeatherLink, you should 
communicate using the Streaming Data Utility first. 
 

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Содержание WeatherLink

Страница 1: ...d Guide and on line Help files for information on the use of the WeatherLink program including its hardware requirements and typical installation package contents and optional accessories for this pro...

Страница 2: ...as WeatherLink if you ever need to install the program manually Running the Configuration Software To run the configuration software double click on the Streaming Data Utility icon in the Streaming Da...

Страница 3: ...ata logger connected to your system it is highly recommended that you manually set the Com Port and Baud Rate Logger Type The software indicates the logger type and firmware revision level of the stre...

Страница 4: ...ave an output open or closed You may adjust this value if you want the alarm checking functions to resume later after communicating to the logger using WeatherLink or the Streaming Data Utility Press...

Страница 5: ...olar Radiation and UV check boxes You can also check them separately The Leaf Wetness Soil Moisture Leaf Temperature and Soil Temperature selections refer to the sensors on the Leaf Soil Moisture Temp...

Страница 6: ...smitter ID 1 and a Temperature Humidity Station on ID 4 and a Temperature Station on ID 2 you would check the following dialog boxes in the example shown below There is no need to indicate your ISS Te...

Страница 7: ...ts of measure displayed on the console which may be changed independently of this software You may select from the following settings Temperature Fahrenheit F or Celsius C Note Wind chill dewpoint deg...

Страница 8: ...rical device This function is used to test the output of the Alarm Output data logger Push the button of the output you want to test The button will be depressed to indicate Closed circuit mode and ra...

Страница 9: ...directory When download is complete the text file will automatically open The log will consist of which output became active which parameters caused the alarm to become active useful for the AND type...

Страница 10: ...it is deactivated The default value is zero Frequent communication with the data logger will cause this function to run long Pulse Width This function determines the pulse width for any of this selec...

Страница 11: ...utput data logger to leave an electrical device OFF unless an alarm condition occurs Choose normally closed if you want the Alarm Output data logger to leave an electrical device ON unless an alarm co...

Страница 12: ...Then select what type of test condition you want to check it against A Greater Than or or high alarm checks for greater than or equal to A Less Than or or low alarm checks for less than or equal to 12...

Страница 13: ...A Between alarm checks to see if the current value is between the two threshold values A Not Between alarm checks to see if the current value is not between the two threshold values 13...

Страница 14: ...g a value of concern It is like a predictive alarm If the number you enter in the first edit box is lower than the number you enter in the second box the data logger will check for an upward trend Lik...

Страница 15: ...aching a value of concern Make note of how quickly the value changes over time before it reaches that value These changes will govern your threshold values and time period Your second threshold probab...

Страница 16: ...F Inside Temperature Minus Outside Temperature IS Greater Than or 5 0 F AND Inside Temperature IS Greater Than or 70 F DONE 2 A user wants to activate their sprinkler system when the Daily ET exceeds...

Страница 17: ...onditions Choose DONE if this is the only condition you want to check Choose OR if you want this condition or any of the other conditions you set to trigger an alarm Choose AND if you require this con...

Страница 18: ...be powered for at least 10 minutes to utilize a valid wind chill value Dewpoint formula is also the same as what the Vantage Pro and Vantage Pro2 console uses but this has not changed from the origina...

Страница 19: ...e device it is not subject to arcing and contact welding as are mechanical relays However since it is a solid state device it will be damaged by operation beyond its ratings which are Nominal Load Vol...

Страница 20: ...Product Number 06544 Davis Instruments Part Number 07395 219 WeatherLink for Alarm Output Rev A Addendum 08 30 05...

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