Nelson TWIG handleiding
Handleiding
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PB 31
Section 5.0: Field Solutions:
TWIG features really show up in the eld to t the variety of applications. Nelson Irrigation has
developed a unique communication method. Radio signals can have so many signal paths that
sorting out problems in a eld can be very difcult. The TWIG network solution is reliable and simple
signals. The signals are easily checked at the controller and at the TIWG valves. That saves a lot of
time. The following applications demonstrate the TD200 TWIG network.
5.1 A MAP IS ESSENTIAL FOR A FIELD WIRELESS CONTROL PLAN:
The rst thing to do is get a eld map. It will help you place the TD200 controller in the best place.
Next using the map of the eld determine the distances from the controller to each valve. If any
valves are separated by more than 50 feet then a single valve TWIG model will be needed at each
valve. By considering the crop and the elevation of the antenna, the owner must make the decision
of using either the TWIGi (internal) or the TWIGe (external). Always keep within the allowed signal
range shown on the bar graphs in Section 3. Write the TWIG number on the eld map. In the eld
it is good to start rst by setting up the TD200 controller. This is so that the radio signal strength
can be checked along the way while installing the TWIGs. This signal checking capability is a great
feature to use during setup.
5.1.1 Row crop eld example: A typical eld for row crop is shown below. Most elds will use only
one TD200 controller. It is generally located near the pump. This example shows valves for each
control block. The controller is close enough to each valve to communicate directly to each one.
Always make a eld map before doing a control
plan. Begin your plan at the TD200 controller. Use a
pressure relief valve to protect the pipe system!
Figure 5.1 Examples of row crop elds for
drip irrigation. The TWIG-2 is on a stake
and is setup to operates two valves.
TD200
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Productinformatie
| Merk | Nelson |
| Model | TWIG |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 23106 MB |