Wireless Automatic Control System

CYCLIK WCS

wacsThe Rain Bird® CYCLIK™ wireless control system is battery operated for economical automation of an irrigation system, without AC power and without control wires.

The CONTROL MODULE has a 9-volt battery located in a weatherproof enclosure and operates latching solenoids to interrupt water flow to the valve chamber and provide on/off control of up to four valves.

The FIELD TRANSMITTER uses simple programming steps to create a coordinated irrigation schedule for up to 85 control modules. Programs are loaded into the optical port of the control modules through an infra-red link.


The simple programming menu in the field transmitter is used to set up the irrigation schedule for each valve. Then, the transmitter is taken to the field to load the program into each control module via the optical port. After the programs are loaded, each valve will operate until a new program is entered. The programming can be created to repeat a sequence, or operate one time, then remain off.

 

 

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There are two models of fieldtransmitters for different irrigation applications:

• Cyclik CI controls a series of valves to open and close in a sequence such as “pulse” irrigation of a solid set sprinkler or drip system.

• Cyclik Micro controls valves to open and close at specific times per day. Micro Mode A allows four programs, and up to eight start times per day on a weekly schedule. Micro Mode B allows multiple start and stop times within a specific time window, for use in a system with frequent daily irrigation and rest intervals.

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Cyclik CI

clikcontrolMany growers who use drip irrigation have found that frequently turning the drip laterals off and on will spreadout the water in the ground to createa broader wetting pattern. This also avoids saturation and promotes better oxygenation of the plant roots.By spreading the wetting pattern, excess deep percolation can also beavoided.

The Cyclik CI, combined with Rain Bird automatic valves provides an ideal system for pulse irrigation. As many as 85 valves can be programmed to open and close in a coordinated sequence. The Cyclik CI also features a time overlap between valve operations so that the next valve will be sure to be open before the previous valve closes. Cyclik does not allow a pump to operate against a closed system, so this avoids the situation where a pump could “dead head”.

keyThe simple four valve system illustrated above shows the location of the Cyclik control modules and Rain Bird valves, with connecting piping to the water source. For example, suppose the grower wants to irrigate each block for one hour, then rest each block for three hours. The Cyclik CI field transmitter would be programmed to operate block 1 for one hour, then open the valve for block 2 slightly before closing the valve for block 1. One hour later, the valve for block 3 would open, slightly before closing block 2, and so on until all four blocks receive one hour of water.

The Cyclik control modules can be programmed to repeat the pulsing schedule as many times as necessary to apply the required irrigation to all blocks. After the irrigation is completed, the grower can turn off the pump. A popular option is to program the Cyclik control modules to keep opening and closing the valves, even while the pump is off. This approach means that one of the valves will be open at all times, so a grower can start an irrigation at any time by simply starting the pump. Once the water is on, the Cyclik control modul

 

 fig1

Cyclik Micro Mode A

Cyclik Micro Mode A
fig2Growers who need to irrigate on a weekly schedule may use Cyclik Micro Mode A. The first step is to choose the days of the week to receive irrigation, and skip the days that will not get water. Next, set the start time and run time, up to 8 start times per station per day, and the Cyclik control modules will repeat the program until a new program is entered.

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Example: A remote pasture requires irrigation Monday through Friday only. On irrigation days, the pasture needs two irrigations per day, three hours starting at 5 AM, and for one hour starting at 3 PM.

Cyclik Micro Mode B

fig6This sequence is designed for growers that want to operate on the same schedule every day, and need to irrigate in short bursts, followed by a “soak-in” time. After the time of day is set, the next step is to enter the start time and end time of the irrigation window (up to 2 irrigation windows per day). Once the irrigation windows are set, the final step is to enter the run time (from 10 seconds up to 99 minutes), and soak time (up to 99 minutes) within the irrigation windows.

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Example: A Greenhouse requires 30 seconds on and 3 minutes off all day from 6 AM to 7 PM.

Additional Features

Manual control

handfig4All Cyclik products have the option of manual control with the field transmitter to close or open a valve immediately.

 

ON/OFF control

onoffAn ON/OFF mode is also available. In the OFF mode, the program is kept from operating (and valves are not allowed to open) until the control modules receive an ON command. This feature is often used during rainy periods when the grower does not wish to irrigate, but wants to store the program in the control modules for activation in the future.

 

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Program review

The system also allows the grower to take the field transmitter to the field and review the program in each control module by connecting the optical port and choosing the key.

 

 

Read 1843 times Last modified on Saturday, 23 March 2013 12:40

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