SV-EMS-220 Installation and Configuration
7-40 SkyView System Installation Guide - Revision K
Note: The GRT CS-01 sensor does not connect to Pin 24/25 (Amps Shunt +/- Input). If you are
converting from a Dynon EMS, you will have to change your wiring per the instructions below).
Route the main power cable through the CS-01 "donut". Connect the three CS-01 Wires to the
SV-EMS-220 37-pin connector:
Figure 39 - GRT CS-01 EMS Connections
The CS-01 has some special considerations during setup. Configure the CS-01 using the
following instructions:
Go to SETUP MENU >EMS SETUP > SENSOR INPUT MAPPING. Choose one of Pin 8, 22, or
31, as is physically connected above.
For the “FUNCTION” column selection, choose “AMP”
For the “SENSOR” column selection, choose one of the AMMETER HALL EFF (offset
value) (GRT CS-01), where offset value is chosen per the following:
o Because each individual CS-01 varies somewhat, configuring the CS-01 typically
requires an amps "offset" value to be utilized. SkyView provides 17 different
offsets via different choices in the SENSOR column. These contain offsets that
range from "-8" (offset of -8A) through "+8" (offset of +8A). If you wish the CS-01
value on your SkyView EMS to display most accurately at zero current, choose
the offset that displays "0A" when zero current is flowing through system. This
can be done by turning off all avionics power and operating SkyView on its
backup battery. If you wish the current to display most accurately at normal
current draw, choose whichever of the 17 offset values provides the most
accurate current reading. (This will require some experimentation.)
Set the name column to “AMPS” (default) or create a custom name.
Carburetor Temperature Sensor
The carburetor temperature sensor may be connected to any general purpose input pin on the
SV-EMS-220’s D37, however, we recommend that it be connected to pin 23 on this connector.
Install the carburetor temperature sensor in the venturi area at the point where ice first begins
to form. This is located after the main nozzle, before the throttle valve. You must remove the
plug in the carburetor housing below the throttle valve. On four-cylinder engines which use the
Marvel Schebler MA-3 carburetors, this plug is located on the forward side. On six-cylinder
engines using the MA-4 carburetor, the plug is located on the rear. If your carburetor is not
drilled and tapped for the plug, you must remove the carburetor from the engine and drill out
the lead plug in the appropriate spot. Tap the hole with a ¼-28 tap. Remove all chips and burrs
before reinstalling.
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