Installation; Installation To The Instrument Panel; Emsis Back Panel Connectors And Cable Clearance - Kanardia EMSIS User And Installation Manual

EMSIS – User's and Installation Manual
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7 Installation

This section provides information about the installation of EMSIS unit to the aircraft instrument panel.
Here we assume that you are familiar with the EMSIS user interface system. Therefore we recommend
reading EMSIS User's Manual from the beginning before proceeding with the installation. The following
system components are covered in next sections:

installation of EMSIS unit (all versions),

GPS antenna installation and

Outside air temperature (OAT) sensor installation.

7.1 Installation to the Instrument Panel

This section covers the installation of the EMSIS unit. EMSIS 80 mm version is presented (standard
avionics unit dimension), while the same principles apply for the EMSIS 3.5" screen version.
Cut your instrument panel according to your EMSIS version using cut-out dimensions and cut-out
template given in the Appendix or http://www.kanardia.eu/downloads/emsis. Print the corresponding page
on a hard paper. After printing take precise ruler or measuring tape and make sure that printed sizes are
correct. Drill the mounting holes in the panel using 4.5 mm drill.
If you do not want to cut the panel yourself, you may consider to machine cut the opening in a local
workshop using CNC equipment (a laser cutting machine is typically used). After cutting make sure, that
EMSIS fits into the new opening. You can powder paint the panel using non-reflective dark paint. This
makes excellent results in practice.
The EMSIS unit is mounted from the back. Position EMSIS unit in the instrument panel and use the
screws to fix it in place.

7.1.1 EMSIS Back Panel Connectors and Cable Clearance

EMSIS units are divided into two main groups (according to the back panel), EMSIS with AHRS unit
built-in and all the others. Here is a brief description of individual connectors from Figure 32:
1. Total pressure port – must be connected to the total pressure tube.
2. Static pressure port – must be connected to the static pressure tube.
3. Standard GPS antenna port – is used for external GPS antenna needed by the GPS receiver
integrated on AHRS unit.
4. Outside air temperature port – connects to the Kanardia OAT digital probe.
5. Encoder port – connects with external encoder for regulating QNH (optional).
6. RS-485 port – used to connect with devices via 485 protocol such as indicators or LX Cluster.
7. Two CAN ports
either one can be used to connect a CAN device.
6EMSIS PFD is shipped with a connector inserted into one CAN port. It is a 120 Ω network terminator
resistor to start and terminate the network. When DAQU unit is connected, terminator can be
disconnected.
6 – they are used to connect other CAN devices. Connectors are equivalent so
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