MGL Avionics XTreme - EMS Bedienungsanleitung

Introduction

The XTreme-EMS is a compact universal engine monitoring system. The XTreme-EMS, which fits a standard 3 1 8”

(80mm) instrument panel hole, contains all the necessary functionality to replace several engine monitoring instruments.

All information is displayed in an easy to read format on a high resolution wide viewing angle 4.3” 1000cd m2 sunlight

readable color display.

All engine sensors are connected to a RDAC (Remote data acquisition unit) which is normally mounted behind the firewall

of the aircraft and then just a simple CAN communication link is necessary to connect the XTreme-EMS to the RDAC.

The XTreme-EMS light weight, small size and high level of functionality makes it an excellent choice for all types of non-

certified aircraft.

XTreme - EMS

Universal Engine Monitoring System

Operating Manual – English 2. 5

XTreme-EMS Operating Manual Page 2

1 Features

• 4.3” high resolution 48 x272, sunlight readable, wide viewing angle, 1 cd/m2 TFT LCD display

• LED backlight (brightness can be adjusted for low light flying conditions)

• Fits standard 3 1/8” (8 mm) aircraft instrument panel hole

• The engine display screen is automatically configured to optimize screen space depending on what

engine parameters has been selected

• SD Card interface for data recording, user splash screens, checklists, graphic information pages, firmware

upgrades

• Records maximum and minimum values of most displayed values

• Built in black box recorder – records all engine data, GPS data (if available) and UL Power ECU data (if

available) to SD card. Data is stored on the SD card in a Comma Separated Value file and can be imported

into programs such as Microsoft Excel and Libre.

• Includes a 1 entry automatic flight log (Records start date & time, flight time, pilot number, Hobbs time

and maintenance time) which can be exported to SD card and can be imported into programs such as

Microsoft Excel and Libre.

• User configurable start up (Splash) screen

• Configurable checklists

• Configurable graphic information displays

• Automatic or manual local magnetic variation

• Dual menu system for quick item selection and user setups

• Sunrise/Sunset calculator

• Firmware upgrades via SD Card

• 1 year limited warranty

• 2x RS232 communication ports (UL Power Interface / External GPS receiver)

• 1x CAN communication port (RDAC-XF / RDAC-XG / MAP / RDAC-CAN interface)

• Rotary control plus 5 independent buttons for easy menu navigation and user input

• External alarm switch output for an external indicator lamp etc

• Support for an external GPS receiver with dedicated GPS display

• Built in RTC (Real Time Clock)

• Wide input supply voltage range of 8 to 3 V DC

• Built in voltage reversal and over voltage protection for harsh electrical environments

• Light weight design

EGT / CHT

• Can measure up to 12 thermocouple channels

• EGT/CHT Temperatures can be displayed in ºC or ºF from -1 ºC to 12 ºC (-148ºF to 2192ºF)

• High accuracy: Built in thermocouple linearization curves and cold junction compensation

• Includes a 25 second EGT/CHT trend graph display of each thermocouple channel

• Records maximum EGT/CHT temperature reached for each channel

• Includes an engine leaning feature

• Includes an engine cruise feature

• Special Rotax 912/914 engine monitor mode utilizing the standard built in Rotax NTC CHT probes

RPM / Rotor RPM

• Single or dual RPM display screens

• Dedicated dual rotor / engine tachometer

• Includes a magneto check function

• RPM can be displayed in RPM or in percentage

• Records maximum RPM reached for each channel

• Programmable RPM labels

XTreme-EMS Operating Manual Page 3

Fuel computer

• Advanced fuel computer with various modes of operation

• Supports single or dual fuel tanks

• Supports one or two fuel flow senders, fuel level senders or fuel injectors

• Supports a single fuel pressure sender

• Differential fuel flow calculations are also supported for fuel return systems

• The Xtreme-EMS has the ability to connect to a NMEA enabled RS232 GPS receiver for range based

calculations. It can also accept a manually entered estimate cruising speed if a GPS is not available.

• Standard automotive fuel level senders can be used, even with odd shaped tanks due to a comprehensive,

multi-point calibration system

• Fuel flow can be displayed in L/hr or in G/hr

• Fuel level can be displayed in Litres or Gallons

Analog Inputs

• 1x Oil pressure display

• 1x Oil temperature display

• 2x Auxiliary analog channel displays which are universal and can be configured to measure Pressure,

Temperature or Current

• Current measurement requires a MGL Avionics Closed Loop Current Sensor

• Pressure can be measured using standard automotive resistive senders (e.g. VDO 2, 5 and 1 Bar), Rotax

4-2 mA senders as well as voltage output pressure senders (e.g. UMA)

• Temperature can be measured using standard automotive resistive senders (e.g. VDO, Westach) as well

as the MGL Avionics precision LM335 semiconductor sensor

• High accuracy: Built in linearization curves for common senders

• Analog channels can be programmed to a user defined curve for custom senders

• Supports the Rotax 4-2 mA pressure sender as used in the 912/914 engines

• Temperatures can be displayed in ºC or ºF

• Pressure can be displayed in psi or bar

• Programmable pressure / temperatue labels

Manifold Pressure

• Manifold pressure can be displayed in millibar (mB) or in inches of Mercury (“Hg”).

• Records maximum MAP reached in permanent memory

• MGL Avionics RDAC-XF MAP required

Timers

• Displays both UTC (Zulu time) and local time

• Time is maintained by an internal lithium battery which can be replaced by the user

• Includes a settable Hobbs meter which is password protected

• Includes an engine running and flight timer

• Includes a programmable maintenance timer for scheduled routine engine maintenance

• Stopwatch timer

Volts

• Can measure voltages up to 3 V (compatible with both 12V and 24V aircraft supplies)

• Contains a programmable low/high voltage alarm to automatically detect alternator failures and bad

batteries

• Records maximum and minimum Volts reached in permanent memory

• Programmable Volrts label

OAT

• OAT (Outside Air Temperature) display

XTreme-EMS Operating Manual Page 4

Current

• Uses the MGL Avionics Closed Loop Current Sensor to measure the aircrafts current load.

• Records maximum and minimum current reached in permanent memory

UL Power ECU Display

• Displays engine information from the UL Power ECU (Engine Control Unit) via the RS232 port

• The Xtreme-EMS has a dedicated UL Power ECU display screen

• Displays warning messages from the UL Power ECU

Rotax 912is

• Displays engine information from the Rotax 912is ECU via the RDAC-CAN interface

• The Xtreme-EMS has a dedicated Rotax 912is display screen

• Displays Engine, Sensor and Device Status messages from the Rotax 921is ECU

XTreme-EMS Operating Manual Page 5

2 XTreme-EMS Layout

2.1 Front layout

2.2 Rear layout

Rotary control. Press

to access the quick

select menus and main

Press for the previous

display screen

Press to advance to the

next display screen

D15 Input connector

(Power, Communications,

OAT probe and alarm output )

Fits into a standard

3 1 8” (80mm) instrument

Panel hole

Metric M4 Mounting Bolts

SD card slot

Press to display the EGT

CHT trend graphs

4.3” high resolution (480x2720,

Sunlight readable, wide viewing

Angle, 1000cd m2 LCD display

XTreme-EMS Operating Manual Page 6

3 Display Screens

Press the left or right most soft keys to cycle through the display screens.

EMS DISPLAY

GPS DISPLAY (External GPS receiver required)

CHECKLIST / INFORMATION DISPLAY

XTreme-EMS Operating Manual Page 7

3.1 EMS Display

3.1.1 Information bar

FLIGHT:

The flight time is automatically reset to zero when a new flight is started (manual or automatic flight detection). The “:” will

flash when a flight is active. The flight timer can be started in the quick select menu (Manual flight mode).

ZULU:

GMT or Zulu time display.

LOCAL:

Local time normally includes an offset from Zulu GMT time. The time offset can be setup in the “TIMERS SETUP” menu.

TIMER:

The Timer can be configured in the quick select menu.

HOBBS:

The XTreme-EMS contains a password protected Hobbs timer. The Hobbs time can be set to the current known engine

time in the “TIMERS SETUP” menu.

MAINT (Maintenance Timer):

This timer is set in engine hours and it will count down to zero when the engine RPM is greater then the “HOBBS

MINIMUM RPM” value as set in the “TIMERS SETUP”. A good use for this function is to set the hours until your next

spark plug change or engine inspection.

The purpose of this function is to assist you in determining remaining hours until maintenance will be required. It is not

intended as a replacement for the aircraft's maintenance log. It is therefore important that the aircraft's maintenance log

be maintained in the normal manner. You should further use your own discretion in performing maintenance earlier than

indicated should any aircraft performance problems arise.

XTreme-EMS Operating Manual Page 8

A maximum of 999 hours can be entered as a maintenance interval. A

reminder message will appear on startup when zero hours are

remaining. The reminder message will automatically disappear after 10

seconds or if the pilot presses any key. Engine running time for the

purpose of the maintenance timer is defined as the run time where the engine RPM is greater than the “HOBBS

MINIMUM RPM” value as set in the “TIMERS SETUP”.

3.1.2 RPM / Rotor / MAP display section

The RPM Rotor MAP section will maximize the space according to which parameter RPM Rotor MAP is enabled. The

RPM, Rotor and MAP parameters can be configured in the “EMS SETUP” menu.

RPM 1, RPM 2 and MAP

enabled.

RPM and MAP enabled.

RPM only enabled

MAP only enabled

XTreme-EMS Operating Manual Page 9

3.1.2.1 Magneto Check Function

Activate the magneto check function in the sub-menu once you have reached your normal run-up RPM. The display will

show the RPM deviation from when the magneto function was activated. Any RPM drops will be displayed as a negative

RPM value, a positive reading indicates an increase in RPM.

Switch the mag to left or right. The RPM should display a negative (drop in) RPM.

Then switch the mags to “Both”. The RPM reading should go back to zero or near

zero. A problem should show up as an excessive drop in one mag and the return to

zero or close to zero incorrectly.

The RPM display will return to the normal display after 60 seconds.

3.1.3 Volts, OAT, Oil Temperature / Pressure, Current and Auxiliary Analog section

This section displays the supply voltage, OAT, oil temperature, oil pressure, as

well as the 2 auxiliary analog channels.

3.1.4 Fuel display section

The XTreme-EMS supports dual fuel flow, dual fuel levels and a single fuel pressure. The fuel section will automatically

try and maximize the display area according to the fuel parameters selected. The fuel parameters can be configured in

the “FUEL SETUP” menu.

3.1.4.1 Single fuel flow and calculated tank level (single tank)

Single fuel flow and fuel level sender (single tank)

Differential fuel flow and calculated tank level (single tank)

Differential fuel flow and fuel level sender (single tank)

Summed fuel flow and calculated tank level (single tank)

Summed fuel flow and fuel level sender (single tank)

XTreme-EMS Operating Manual Page 1

3.1.4.2 Dual fuel flow and calculated tank levels (dual tank)

Dual fuel flow and dual fuel level senders (dual tank)

3.1.4.3 Single fuel flow and dual fuel level senders (dual tank)

Single fuel flow, single fuel level sender, single calculated tank

Differential fuel flow and dual fuel level senders (dual tank)

Differential flow, single fuel level sender, single calculated tank

Summed fuel flow and dual fuel level senders (dual tank)

Summed fuel flow, single fuel level sender, single calculated tank

3.1.4.4 Single/Differential/Summed fuel flow, single fuel level sender, single calculated tank

These modes are nice for multiple fuel tanks whereby one or more tanks are difficult to insert level senders in. Potential

problems such as those listed below can easily be diagnosed by doing side by side comparisons between a calculated

and physical tank.

• Leaks in the fuel system

• Uneven drain of interconnected tanks

• Malfunction of the level sender

• Malfunction of the flow sender

3.1.4.5 Single fuel flow only indicator

This mode is displayed if either fuel flow 1 or fuel flow 2 is selected and no fuel level senders are selected.

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