NovaLynx Corporation________________________________________________________________________________
200-WS-21-A
Page 4
November 2018
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FORWARD
Thank you for purchasing NovaLynx products. NovaLynx has been designing and manufacturing
weather instruments since 1988. NovaLynx represents several well-known brands of quality
manufacturers, including Gill Instruments, RM Young, Kipp & Zonen, and Vaisala. It is our hope that our
products will meet all your monitoring requirements.
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INTRODUCTION
The 200-WS-21-A Dual Set Point Wind Alarm includes a rotating cup style anemometer (200-WS-01B)
and internal alarm buzzer. Two independently controlled relays are provided to operate external
equipment such alarm lights or sirens. The Wind Alarm can function as an irrigation or fountain over-
ride controller.
The back-lit LCD display is easily visible through the transparent cover. With the cover removed the
unit is programmed by push-button controls without the need to connect a computer. DIP switch
settings select the units (mph or kph) and enable/disable the buzzer.
Each alarm channel has three programmable settings:
Delay before Alarm 0-99 seconds above threshold before alarm activation
(Default 15 sec)
Alarm Set Point
Wind speed threshold for the alarm
(Default 15 mph)
Delay after Alarm
0-99 seconds below threshold before alarm de-activation (Default 15 sec)
When in alarm mode, a blinking LED indicates which relay(s) are active. Each relay can be connected in
the normally open or the normally closed mode.
It is the responsibility of the installer to properly
insulate any connections to the relay terminals, especially if high voltages are present. It is also
important to provide an earth grounding wire to protect the controller from static discharge,
whether or not the relays are connected.
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TECHNICAL SPECIFICATION
The anemometer is rated for wind speeds up to 125 miles per hour and has a starting threshold of
approximately 1.2 mile per hour. The Wind Alarm LCD can display speeds up to 99.9 mph, but the
control logic continues to operate above this limit.
The controller requires a nominal 12V ac or dc power supply. The 200-WS21P power pack (sold
separately) is suitable in most applications, and comes with the proper terminals for easy connection.
