Dynon-avionics EMS-D120 Installation Guide User Manual

EMS-D120 Installation Guide This product is not approved for installation in type certificated aircraft P/N 100591-000, Revision H For use with firmw

Wiring Overview particular aircraft. Ensure that the power lines include a circuit breaker or an appropriately sized fuse for the wire you select.

Wiring Overview +5V Excitation Some of the sensors require either a direct connection, or connection via a resistor, to the +5V excitation circuit.

Wiring Overview 37-Pin Female EMS Harness Below is the wiring diagram of the EMS 37-pin female harness. Refer to the following page for detailed p

Wiring Overview EMS-D120 Installation Guide 2-5 The pin assignments for the female 37-pin harness are repeated below. Note that the pin numbers

Wiring Overview 25-Pin Male EMS Harness Below is the EMS 25-pin harness wiring diagram. The 4-cylinder harness only has EGTs 1 through 4 and CHTs

3. TRANSDUCER INSTALLATION This section explains the steps required to install and connect all transducers supplied by Dynon Avionics. Additionally,

Transducer Installation 3-2 EMS-D120 Installation Guide Exhaust Gas Temperature (EGT) Probes Correct placement of EGT probes on the exhaust manif

Transducer Installation EMS-D120 Installation Guide 3-3 Cylinder Head Temperature (CHT) Probes Dynon Avionics sells and supports a variety of CH

Transducer Installation Tachometer Dynon Avionics does not sell a tachometer transducer. Depending upon existing equipment and engine type, you ha

Transducer Installation ALTERNATOR WIRE (JABIRU) The most common tachometer pickoff location for Jabiru 2200 and 3300 engines is one of the alterna

Transducer Installation If you notice fluctuations on the manifold pressure reading on the EMS-D120, you may need to install a restrictor with a s

Transducer Installation Oil Temperature Sensor The oil temperature sensor needs to be installed according to the directions of the engine manufactur

Transducer Installation 3-8 EMS-D120 Installation Guide are converting from a GRT EIS system, you must disconnect the external resistor pull-up f

Transducer Installation Fuel Flow Sensor Pin Color FunctionDynon Avionics supplies two different fuel flow transducers: 13 Black Ground Yellow (

Transducer Installation 3-10 EMS-D120 Installation Guide

Transducer Installation Fuel Level Sensor Pin Color Function 20 Dynon Avionics does not sell fuel level sensors. EMS-D120 Installation Guide

Transducer Installation Ammeter Shunt Pin Color Function The ammeter shunt should be mounted so that the metal part of the shunt cannot touch an

Transducer Installation Next, crimp the two supplied #8 ring terminals onto the wires using the fusing method chosen above. Connect the other ends o

Transducer Installation  Engine exhaust paths  The engine itself  Where the sensor will have direct sunlight  Where the backside is expos

Transducer Installation black/white wires (Dynon P/N 100468), there will be no resistor in the package and you do not need to make any additional co

Contact Information Dynon Avionics, Inc. 19825 141st Place NE Woodinville, WA 98072 Phone: (425) 402-0433 - 7:00 AM – 5:00 PM (Pacific Time) Monday -

Transducer Installation TRIM AND FLAPS POSITION POTENTIOMETERS Dynon Avionics does not sell trim or flaps position sensors. These are normally inc

Transducer Installation ensures that, in the event of a sensor failure, coolant leakage rate is minimized, allowing time for an emergency landing. C

Transducer Installation nut from the stud on the coolant temperature sensor. Slip the ring terminal onto the stud and secure the nut over it. Conn

EMS-D120 Installation Guide 4-1 4. INSTRUMENT INSTALLATION This section provides you with the information needed to physically and electrically inst

Instrument Installation PC USB CONNECTION If you do not have a serial port on your PC, you may use a USB-to-Serial adapter to connect the EMS-D120

Instrument Installation To use the GPS-related features on your EFIS and/or EMS, your GPS must output either “aviation format” or the following NMEA

Instrument Installation 4-4 EMS-D120 Installation Guide If you have only one serial device (GPS or SL30), connect its transmit line to pin 22 on

Instrument Installation Do not connect any serial devices to the secondary EFIS device. It will only display data from the serial devices connected

Instrument Installation Audio Alert Outputs The EMS-D120 has an audio alarm outputs for sounding EMS-related alarms The Audio Alert output from th

Instrument Installation Dynon Smart Avionics Bus (DSAB) Wiring The Dynon Smart Avionics Bus is the only way Dynon products can communicate with one

Instrument Installation Panel Location and Mounting The diagram below shows the outside dimensions of the front bezel of the EMS-D120. Note that t

5. EMS CONFIGURATION Once the engine sensors are physically installed, you must configure the EMS-D120 to recognize and correctly display all engine

EMS Configuration given function. The default sensor type, “1,” is the most common Dynon-supplied sensor for each function. The various supported

EMS Configuration When you modify one value, it will not “push” another value up or down. So, in the example above, you would not be able to increme

EMS Configuration 5-4 EMS-D120 Installation Guide If you need to adjust the Hobbs time on the EMS-D120 to match that of your engine, press DOWN▼

EMS Configuration  1400-1800 and 5500-5800 RPM in YELLOW  1800-5500 RPM in GREEN At 0 RPM, the LOW RPM ALARM is inhibited. When RPM advances abo

EMS Configuration Use the DOWN▼ or UP▲ buttons to select the tank that you wish to calibrate, and press SEL►. Enter the approximate number of gal

EMS Configuration Once you are ready to calibrate, select the desired trim that you would like to calibrate, and press SEL► to enter its calibration

EMS Configuration Tachometer If you have connected a tachometer source to either the RPM Left or Right inputs, set the DISPLAY parameter to ON, ot

EMS Configuration sensor, you will be presented with the values AuxSF and AuxOff. You must enter these values according to the ones printed on your

Table of Contents Contact Information...

EMS Configuration Exhaust Gas Temperature (EGT) Select the alarm mode and the analog bar thresholds as described in Alarm and Color Threshold Conf

EMS Configuration Cylinder Head Temperature (CHT) Select the alarm mode and the analog bar thresholds as described in Alarm and Color Threshold Conf

EMS Configuration 5-12 EMS-D120 Installation Guide cylinders’ CHTs is greater than the MAX SPAN value (or WHEN LEANING value, when leaning), a sp

EMS Configuration Fuel Level If one or more fuel level transducers have been installed, set the DISPLAY parameter to ON; if no fuel level sensors ar

EMS Configuration Fuel Flow If the fuel flow transducer has been installed, set the DISPLAY parameter to either TEXT or DIAL. When set to TEXT, t

EMS Configuration Voltage The voltmeter info item reports the voltage that the EMS-D120 reads on its Master Power input (pin 1 on the EMS 37-pin con

EMS Configuration General Purpose Inputs In each of the 3 EMS GP INPUT submenus, you must select the function corresponding to the sensor that is

EMS Configuration COOLANT TEMPERATURE Sensor Type Coolant Temp Sensor 1 Dynon P/N 100409-001 Under the desired GP input number, set FUNCT to COOL TE

EMS Configuration GENERAL PURPOSE TEMPERATURE Sensor Type GP Temp Sensor Under the desired GP input number, set FUNCT to GP TEMP. Select the anal

EMS Configuration Contacts Note that while contacts are shown below the HS34 INPUTS section, they are not available until you purchase and connect a

Table of Contents vi EMS-D120 Installation Guide Tachometer...

EMS Configuration General Purpose Thermocouple Select the alarm mode as described in the Alarm and Color Threshold Configuration section on page 5

6. DSAB CONFIGURATION This section introduces some concepts that are central to understanding and configuring a network of DSAB-capable Dynon product

DSAB Configuration the Bus Master role. Perform DSAB configuration on your primary EFIS-based instrument, as the Bus Master is also the default pr

DSAB Configuration EMS-D120 Installation Guide 6-3

DSAB Configuration Initial Setup Please refer to your EFIS-based product’s Installation Guide for detailed information on setting up and configuri

DSAB Configuration EMS-D120 Installation Guide 6-5 If an instrument’s STATUS field displays UPGRADE REQ, PEERS LOST, or OFFLINE, all of its prov

7. APPENDIX This appendix contains additional information pertaining to the installation of the EMS-D120. You will find here the optional capacitance

Appendix 7-2 EMS-D120 Installation Guide Appendix B: Troubleshooting The following table provides a list of potential issues that the EMS-D120 may

Appendix EMS-D120 Installation Guide 7-3 Appendix C: Weights Adding any new instrument to an aircraft requires the installer to be aware of its

1. INTRODUCTION This manual provides information about the physical and electrical installation of the EMS-D120 and connected sensors. Additionally,

Appendix 7-4 EMS-D120 Installation Guide Appendix D: EMS-D120 Specifications Mechanical 6.95” wide x 4.90” tall x 4.51” deep (177 x 125 x 115 mm)

Introduction 1-2 EMS-D120 Installation Guide About this Guide In the electronic (.PDF) version of this manual, page and section references in the

2. WIRING OVERVIEW Please follow these instructions explicitly as improper wiring can result in permanent damage to your instrument and/or the accomp