VAL Avionics NAV 2000 Guia de Instalação descarregar pdf (Página 147)

SV-EMS-220/221 Installation and Configuration

SkyView System Installation Guide - Revision R 7-39

For signals that have a peak voltage of 12V or lower —such as Light Speed ignition outputs—

use the low voltage RPM inputs. These inputs require that the peak voltage goes at least 2.1

volts above ground, and crosses back down below 0.8V relative to ground to be counted as a

pulse.

For signals that have a peak voltage of 10-12V, either the Standard or Low Voltage RPM inputs

can be used.

Like the other methods above, you must know the number of pulses per revolution for your

RPM transducer.

Manifold Pressure Sensor

The Dynon Avionics Manifold Pressure Sensor (P/N 100434-000) is an integral assembly

consisting of three pins, a rubber seal, and a connector housing. Strip 3/16” insulation off the

ends of the three wires listed at right. Slide the three rubber seals onto the three wires and the

pins onto the ends of the wires. Crimp the 3 included pins onto the ends of the wires, ensuring

that the long tabs that cradle the rubber seal wrap around the seal (see picture at right for

example). For more details on preparing and crimping the Weather Pack pins, see

http://www.whiteproducts.net/faqs.shtml.

Weather

Pack Pin

Color

Function

White/red

+5 volt

Auxiliary

Green/red

Manifold

pressure

Black

Ground

Note that you may need access to the SV-EMS-220/221’s +5 volt auxiliary supply for other

sensor installations, so make allowances for breaking out the connection to other areas. Route

the three wires to the location where you would like to mount the manifold pressure sensor.

Plug the crimped pins into the included Weatherpack connector. Now, mount the manifold

pressure sensor in a secure fashion using the mounting holes on either side of the sensor.

The pressure port on the manifold pressure sensor requires 1/4” inner diameter tubing for a

secure fit. You may need to use adapters to convert down to smaller inner diameter tubing for

your specific engine. We recommend that you use pipe clamps at every transition point,

including at the sensor itself.

Table 35–Manifold Pressure Sensor Pins

Figure 34–Detail view of properly

crimped pin.

Figure 33–Pin insertion

(rear) view of supplied

connector.

Figure 32–Connection diagram for

sensor with all black wires only

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