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SV-EMS-220/221 Installation and Configuration

7-6 SkyView System Installation Guide - Revision R

This section explains how to use Table 13–Sensor and Transducer Compatibility Level Key.

There are three compatibility designations: A, B, and C. These designations are explained in the

following paragraphs.

Sensor and transducer compatibility level A denotes that an SV-EMS-220/221 D37 pin labeled

as “A” in Table 14 can be configured to support the vast majority of sensors and transducers

used in aircraft installations, which are primarily resistive in nature. Sensors and transducers

include contacts, fuel level, fluid pressure, fluid temperature, temperature, and position

potentiometers. For example, SV-EMS-220/221 D37 pin 4 can be configured to read a resistive

oil temperature sensor.

Sensor and transducer compatibility level B denotes that an SV-EMS-220/221 D37 pin labeled as

“B” in Table 14 can be configured to support every sensor and transducer listed for “A” while

also being compatible with 4 to 20 mA constant current source output sensors that are

supported (currently only the Rotax P/N 956413 Honeywell and Rotax P/N 456180 oil pressure

sensors).

Sensor and transducer compatibility level C denotes that an SV-EMS-220/221 D37 pin labeled as

“C” in Table 14 can be configured to support every transducer and sensor listed for “A” while

also being compatible with senders that employ active voltage output hardware including

Dynon’s Capacitance-to-Voltage Converter.

If an SV-EMS-220/221 pin’s sensor config space is blank in Table 14, that means that pin has

fixed functionality. This functionality is described under the Function column in the table.

Sensor and Transducer

Compatibility Level

Example sensors and transducers

Contacts

Fuel Level (resistive)

0-150 PSI Fluid Pressure (100411-002)

1/8”-27 NPT Fluid Temperature (100409-000)

5/8”-18 NPT Fluid Temp (100409-001)

0-30 PSI Fluid Pressure (100411-000)

0-80 PSI Fluid Pressure (100411-001)

Jabiru Oil Temperature

Jabiru Oil Pressure

Dynon 2-Wire OAT Probe (100433-003)

Dynon 2-wire Carburetor Temperature (100468-000)

Rotax CHT or Oil Temperature (801-10-1)

Flap/Trim Position

Everything in A, plus can be connected to a 4 to 20 mA current source

sender (e.g., Rotax P/N 956413 Honeywell and Rotax P/N 456180 oil

pressure sensors)

Everything in A, plus Dynon’s Capacitance-to-Voltage Converter and

other senders with active voltage output hardware. Type C inputs can

measure 0-5V DC, but can accept up to 15V DC without damaging the

input (any voltage above 5V is seen as 5V, however).

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VAL Avionics NAV 2000 Guía de instalación Pagina 114

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