EFD1000 Installation Manual
DOCUMENT # A-01-126-00 PAGE 22-225 Revision H
© Copyright 2009 Aspen Avionics Inc.
Figure 3.1 - PFD
The PFD is a pure digital system and natively supports both ARINC 429 and RS-232 digital
interfaces. In installations with a modern digital radio installation, the PFD connects directly
to the interfaced equipment.
In installations that require interfaces to non-ARINC avionics (i.e., older VLOC radios and
autopilots) the ACU is required to convert these signals into ARINC 429 for the PFD.
3.2 Remote Sensor Module (RSM)
The RSM is required and connects directly to the PFD. It physically resembles a traditional GPS
antenna and follows the industry standard mounting hole pattern.
However, internally it is substantially more complex in that it contains all of the sensors that
must be remotely located from the PFD display unit.
The RSM is powered by the PFD through a shielded wire harness and contains the following
sub-systems:
• Outside Air Temperature (OAT) sensor
• Emergency backup GPS engine
• Heading “flux” sensors
To Next Page
Loading...
