VAL Avionics NAV 2000 Guía de instalación Pagina 226

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SV-XPNDR-261/262 Installation, Configuration, and Testing
11-8 SkyView System Installation Guide - Revision R
Figure 78 - All Possible SV-XPNDR-261/262 Connections (Rear Pin Insertion View)
Power/Ground Input
The power supply can be 11-33 Volts DC; no voltage adjustment is required. 20 AWG wire is
sufficient for wire runs up to 50’ for this application. Note that the transponder must be
connected to aircraft power none of SkyView’s voltage outputs can provide a sufficient
amount of power to power the transponder module.
It is always good practice to use more than one ground path in an installation. With only one
wire there may be only a single grounding path for the transponder, controller and antenna.
This can allow static electricity to build up and damage your SkyView display(s). Ensuring that
the mounting tray is grounded provides an adequate alternative ground path to protect against
such events. This is particularly important when the transponder is mounted on a non-
conducting surface, such as a composite structure, where the mounting tray is often not
grounded. Therefore, make sure that the mounting tray is grounded in addition to having the
ground wire connected as depicted above.
Note that pins 1 / 2 and pins 12 / 13 must be connected to each other as depicted
above via your wiring harness. They are not shorted internally.
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