EMS-D120 Engine Monitoring System
Pilot’s User Guide
P/N 100592-000, Revision H
For use with firmware version 5.4
August, 2010
Dynon Avionics
This product is not approved for
installation in type certificated aircraft
Page 1: ...Engine Monitoring System Pilot s User Guide P N 100592 000 Revision H For use with firmware version 5 4 August 2010 Dynon Avionics This product is not approved for installation in type certificated a...
Page 2: ...customers can interact and receive Dynon technical support outside of telephone support hours A key feature of the forum is that it allows the exchange of diagrams photos and other types of files news...
Page 3: ...URPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL DYNON AVIONICS BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQU...
Page 4: ...tion Before You Fly 1 1 OEM Installations 1 1 Warning 1 2 About this Guide 1 2 2 2 1 Product Overview EMS D120 Hardware 2 1 3 3 1 Product Operation Front Panel Layout 3 1 Display 3 2 Menus 3 6 4 4 1 A...
Page 5: ...MS Monitoring Functions Engine Leaning and Power 6 1 Data Logging 6 2 7 7 1 EMS Operation ON OFF 7 1 Display Brightness DIM 7 1 Fuel Computer 7 2 Engine Leaning 7 3 Clock Setup 7 3 Timers 7 4 Global C...
Page 6: ...ormation that might be needed in flight CAUTION in a flying situation it is the pilot s responsibility to use the product and the guide prudently OEM Installations If your EMS D120 is installed by an...
Page 7: ...ction references in the Table of Contents and elsewhere act as hyperlinks taking you to the relevant location in the manual The latest version of this manual may be downloaded from our website at docs...
Page 8: ...stem Any text following this icon describes functionality available only with the AP74 Autopilot Interface Module connected to your system Any text following this icon describes functionality that is...
Page 9: ...nts covering both air and water cooled engines with up to six cylinders Its warning capabilities provide early notification of problems that might otherwise go unnoticed POWER The EMS D120 requires be...
Page 10: ...cause the loss of some or all data shared between units In the above example if the connected EMS FlightDEK D180 were to fail the EFIS would no longer be able to behave as an engine monitor For more...
Page 11: ...s There are six buttons on the front panel of the EMS D120 Throughout this guide these buttons are referred to as one through six with button one being the leftmost and button six being the rightmost...
Page 12: ...uct Page A page is a section of the screen that contains a collection of related data Pages may occupy the total area of the screen i e 100 or share the screen with other pages e g 2 3 1 3 split Pages...
Page 13: ...ations with their respective icons are as follows EFIS EMS EFIS AUX EFIS FUEL EFIS TIMES EFIS HSI EMS EFIS EMS AUX default EMS D120 boot up screen in default rotation EMS TIMES in default screen rotat...
Page 14: ...en If you wish to stay on the same screen you may either select your currently displayed screen with the caret and press GOTO or press CANCEL Screen Cycling Using Hotkeys With no menu displayed press...
Page 15: ...n Only one screen may be designated as the boot screen Next press the TOGGL button on any selected screen to toggle the icon All screens that show the icon are included in the rotation Any screen in t...
Page 16: ...2 3 of the screen and the right page occupying 1 3 of the screen then pressing EMS D120 buttons two three or four all below the left 2 3 of the screen displays the main menu for the left page and pre...
Page 17: ...Each menu consists of labels above each button denoting their function Each page has its own main menu which may contain options for navigating to other menus or choosing and adjusting parameters For...
Page 18: ...en configuration i e EMS FUEL If you press the SETUP button on the EMS menu the SETUP menu is displayed The SETUP menu contains a menu tab and button labels for CLOCK VRSION GLOBAL SENSOR FUEL and BAC...
Page 19: ...lays display icons indicating the absolute position of the flaps and trim Vertical info bars contacts flaps trim indicators and text only items are defined at time of installation and instrument setup...
Page 20: ...eously Green horizontal bars depict exhaust gas temperatures with their respective values to the right of the bars In the combined EGT CHT display cylinder head temperatures are denoted by the white v...
Page 21: ...ommands TIMERS info item TRPRST resets the trip timer TIMER shortcut to the general purpose timer menu FUEL FUEL shortcut to the add fuel menu EMS Times Page Available in 1 3 format The Times Page is...
Page 22: ...efer to the EMS Operation section on page 7 3 for instructions on adjusting clock and timer set Available in 1 3 format s page displays fuel tan remaining If a compatible GPS is connected to your Dyno...
Page 23: ...nonavionics com Reference the help file that accompanies this software for more information Menu Pages Available in 1 3 and 2 3 formats Some setup menus require a 1 3 or 2 3 page to display all the av...
Page 24: ...xternal light is connected to the EMS D120 EMS main harness the light turns on The alarm menu appears below the red alarm bar See the Alarm Silencing and Alarm Acknowledgement sections below for more...
Page 25: ...arm indications and return to your original screen T E button u press ACK the alarm text for the next posted alarm is ssing ACK does the following FUEL Th SHOW PAGE If the alarming measurement is not...
Page 26: ...no other queued alarms will be announced after that Multiple Alarms Any time multiple alarms occur simultaneously they are handled in the following way Each numeric value and gauge posts its alarm by...
Page 27: ...larms let you to know if an alarm happened momentarily when you might have otherwise missed it SELF CLEARING ALARMS If an alarm occurs o pressed or the alarm condition goes away Consider the example w...
Page 28: ...pecific role on the network has stopped communicating This means that other screens in the system can no longer display information related to that function If you receive an EMS LOST message on an EF...
Page 29: ...e label LN is displayed at the upper left of the EGT CHT display Additionally the absolute EGT temperatures indicated on the right side of the graph are replaced with new data as each cylinder peaks A...
Page 30: ...to determine when it is safe to lean the engine and if the current operating state is near peak or not While this information is based on published charts you should independently verify via manual le...
Page 31: ...ion in the data log retrieved by your PC allowing you to quickly find the place in your data when you marked the record For information about retrieving data and reading the file produced please see t...
Page 32: ...120 constantly streams EMS engine data via the EMS DB37 serial output To record and or display data generated by the EMS D120 in real time a laptop or other serial data collection device must be conne...
Page 33: ...r approximately two seconds for either action When power is connected the unit does not completely turn off It enters a low power state and keeps track of time as well as detects changes in the state...
Page 34: ...system records the new set level as the desired brightness and auto adjusts around the new set point Fuel Computer The fuel computer can be programmed in EMS SETUP FUEL ADD THRESHOLD to automatically...
Page 35: ...s puts the EGT display into lean mode changing the numerical values for each cylinder to the format order peaked temperature below peak Exit Lean Mode EMS LEAN This returns the EGT display to normal C...
Page 36: ...timer which you can reset To reset simply press the TRPRST button in the TIMES page menu Set recurring tank timer EMS TIMES TIMER The general purpose timer can be configured to be either an up timer o...
Page 37: ...ighlighted Toggle between parameter settings or display a menu of choices by pressing SEL Press BACK to save Change displayed indicator units EMS SETUP GLOBAL UNITS In the UNITS submenu you may change...
Page 38: ...s it is not inhibited by setting PWR ON ALARMS to OFF Test light audio alarm s EMS SETUP GLOBAL ALARM CONFIG TEST ALARM LIGHT AUDIO Note You must select an alarm to test using the UP DOWN buttons Hold...
Page 39: ...layed One of the options available is NONE which prevents that info item from displaying Any function that you have selected to be an info item has that fact reflected in its corresponding SENSORS con...
Page 40: ...this serial port can be found in the EMS D120 Installation Guide To log EMS data you must connect the serial port to a PC This serial data can be logged using any standard serial terminal program suc...
Page 41: ...SI x 10 123 12 3psi Volts 3 volts x 10 123 12 3V Amps 3 amps 012 12A or 12 12A RPM 3 RPM 10 123 1230 RPM Fuel Flow 3 GPH x 10 123 12 3gph Gallons remaining 4 Gallons x 10 1234 123 4g or 123 12 3g Fuel...
Page 42: ...3 F 123 123o F or 12 12 F CHT_3 3 F 123 123o F or 12 12 F CHT_4 3 F 123 123o F or 12 12 F CHT_5 3 F 123 123o F or 12 12 F CHT_6 3 F 123 123o F or 12 12 F Contact_1 1 Boolean 0 or 1 indicating whether...
Page 43: ...put as place holders OAT F OAT 00123 123 F or 0123 123 F Carb Temp F CRB 00123 123 F or 0123 123 F Coolant Temp F CLT 00123 123 F or 0123 123 F Coolant Pressure PSI CLP 00123 12 3 PSI Fuel Level 3 Gal...
Page 44: ...s at support dynonavionics com FIRMWARE VERSION DISPLAY The firmware version submenu gives you two important pieces of information the version of EMS D120 firmware that your unit is currently running...
Page 45: ...deep 177 x 125 x 115 mm Weight 2 lb 6 oz 1 08 kg Operating Temperature 22 to 122 F 30 to 50 C Power Voltage 10 30 Vdc Power 14 watts maximum Connections Wiring D 25 male D 37 male connectors Screen T...
Page 46: ...erature Resistive 1 Oil Pressure Resistive 1 Fuel Pressure Resistive 1 Fuel Flow Frequency 1 Current Shunt 1 Voltage from supply power 3 General Purpose Either resistive or voltage for OAT Fuel Tanks...
