J.P. Instruments EDM 930 Primary Primary Installation Manual - Manual (Page 17)

FAA Approved Installation Manual for the Report No 908
EDM-900 and EDM-930 Page 17 of 50 Rev J
Primary Engine Data Management System Date 5-24-14
19.1 Adding a non-primary gauge to the system
Requirements: All EDM930 and EDM960 units manufactured after Sep 15, 2012 have the EDM Configuration
Editor built into a separate utility memory area of the EDM.
To start the EDM Configuration Editor, hold the left two EDM buttons (STEP & LF) while powering up the
EDM. This will start the EDM in a special AppLoader mode. Once the EDM Configuration Editor program is
found, a button will be labeled CFG EDITOR. Press the button to run the EDM Configuration Editor program.
Follow prompts and continue to the “Usage Agreement” page and press ACCEPT to continue.
Tap YES or NO for “SHOW CONFIGURATION TUTORIAL”. Tap NEXT to skip “RESTORE FROM USB
DRIVE?” Continue tapping NEXT until you see “EDIT GAUGES ?” Tap YES to begin the process. Using
the NEXT button will scroll through the available non-primary gauges on the display. Once the gauge you
wish to modify appears, tap MODIFY.
Tap NEXT until the title block “FUEL-P” or whatever non-primary gauge you selected is highlighted.
Tap MODIFY then YES when “Change Gauge Channel” appears.
Follow prompts to select a new gauge title.
Tap SAVE to save changes to the gauge, YES to confirm.
Tap DONE to exit gauge editing mode.
Tap NEXT repeatedly until “EDIT CHANNELS” is displayed.
Tap YES to edit channels. This will take you to the “EDM Probe & Sensor Channels” page. On this
page you will see values for Primary gauges in RED which are not available for alteration. The values in
WHITE can be selected or deselected to be displayed on the EDM. An “X” in the box selects the gauge to be
displayed.
Tap STEP several times to select FUEL PRESS or desired gauge input channel.
Tap ENABLE key to enable the input.
Tap SAVE, then YES to save change to channels.
Tap STEP key repeatedly until prompted to exit configuration, EDM will restart with FP or
desired gauge enabled.
20. Ammeter Shunt Installation
Use the J5 connector harness 790723 labeled AMP+ and AMP-. Connect the harness leads using ring terminals to
the smaller terminal screws on the side of the shunt.
20.1 Charge/Discharge configuration
The shunt can be installed between the master contactor and the main bus in which case it will be in the ammeter
configuration showing battery charge and discharge. Be sure that the positive side of the shunt is connected to the
main bus in the ammeter configuration. The alarm will be triggered by a discharge condition.