SV-EMS-220 Installation and Configuration
SkyView System Installation Guide - Revision K 7-39
remove the two large screws (one on either end of the shunt), slip the ring terminals on, and
screw them back into the base.
We highly recommend that you fuse both the connections between the shunt and the SkyView
as shown in Figure 38 below. There are two methods for accomplishing this. You may simply
connect two 1 amp fuses in-line between the shunt and the SkyView. Or, you may use butt
splices to connect 1” to 2” sections of 26 AWG wire between the shunt and each of the Amps
leads connecting to the SkyView. These fusible links are a simple and cost-effective way to
protect against short-circuits (fusible links in LSA installations may not be ASTM-compliant).
Figure 38- Amps Shunt Fuse / Wire Connection Diagram
Next, crimp the two supplied #8 ring terminals onto the wires using the fusing method chosen
above. Connect the other ends of the fuses to the Amps High and Amps Low leads (pins 24 and
25) on the EMS 37-pin Main Sensor Harness. Unscrew the two smaller screws on the ammeter
shunt. Slide the ring terminals onto them and screw them back into the base. Connect the
“Amps High” lead to the side of the shunt marked by “H” in Figure 37; connect the “Amps Low”
lead to the side marked by “L”.
If you find that the current reading on the SkyView is the opposite polarity of what you want,
swap the two signal inputs (Amps High and Amps Low) to obtain the desired result.
It is extremely important that you secure all loose wires and ensure that exposed
terminals cannot touch or short out to other objects in the plane. All metal on the
shunt is at the same voltage as–and carries the same risks as–the positive terminal
on the battery. Improperly installing the ammeter shunt can result in high current
flow, electrical system failure, or fire.
GRT CS-01 Hall Effect Current Sensor
Dynon does not supply this sensor. It is available from GRT Avionics, and can be used as an
alternative to the Dynon-supplied amps shunt for measuring current
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