EFD1000 Installation Manual
DOCUMENT # A-01-126-00 PAGE 80-225 Revision H
© Copyright 2009 Aspen Avionics Inc.
15 Volt Reference Output
An internally generated +15Vdc reference for KI-525 emulation.
Output Voltage: +15Vdc ±2Vdc
Load Current: 30ma maximum
KI-525A Heading and Course Datum Output
Emulated KI-525A outputs to drive the heading and course datum inputs of an
autopilot.
Reference Input: DC (DC may be supplied by the autopilot or ACU
+15Vdc reference)
Heading Datum zero: zero volts when heading bug on the lubber line.
Heading Datum sense: +voltage when the heading bug is to the right
of the lubber line and ACU DATUM is set to NORMAL in
the configuration.
Course Datum zero: zero volts when heading bug on the lubber line.
Course Datum sense: +voltage when the heading bug is to the right
of the lubber line and ACU DATUM is set to NORMAL in
the configuration.
NSD-360 Heading and Course Datum Output
Emulated NSD-360 outputs to drive the heading and course datum inputs of an
autopilot.
Reference Input: AC or DC reference voltage supplied by autopilot
Heading Datum zero: zero volts plus any offset voltage applied to ACU P3-25
Heading Datum sense: +voltage when the heading bug is to the right
of the lubber line and ACU DATUM is set to NORMAL in
the configuration.
Course Datum zero: zero volts plus any offset voltage applied to ACU P3-25
Course Datum sense: +voltage when the heading bug is to the right
of the lubber line and ACU DATUM is set to NORMAL in
the configuration.
Bendix King Flight Director Input
When the EFD1000 is configured for ACU FD TYPE = 1 the ACU will accept Bendix King
Flight Director output levels emulating the KI-256 Artificial Horizon Indicator.
Pitch Scaling: 0Vdc = null, -4.3Vdc = 10º up, +6.0Vdc = 10º down
Roll Scaling: 0Vdc = null, -0.6Vdc = 10º right, +0.6Vdc = 10º left
Load: 6650 ohms across single ended input
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