Garmin G3X - Page 482

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 28-5
Figure 28-2.3 GEA 24B - Dual CAN Rotax 912iS/915iS/916iS FADEC Wiring Example
HIC A CONNECTOR
FADEC_CAN2_HI 17
ROTAX ECU
CAN_HIGH_1_LA6
FADEC_CAN2_LO
GEA 24B
P244
33
HIC B CONNECTOR
CAN_LOW_1_LB
ROTAX ECU
CAN_HIGH_1_LB8
7
CAN_LOW_1_LA5
S
S
S
NOTES
1. WIRING GUIDANCE
A. THE CAN BUS CONNECTING THE HIC A/B CONNECTORS IS TERMINATED INSIDE
THESE CONNECTORS SO NO ADDITIONAL TERMINATION IS REQUIRED
B. 120 OHM TERMINATING RESISTORS REQUIRED TO BE INSTALLED BETWEEN
CAN HI AND CAN LO AT THE GEA 24B CONNECTOR FOR BOTH CAN 2 AND CAN 3
C. THE ENGINE ECU DOES NOT PROVIDE DIFFERENTIAL FUEL PRESSURE DATA.
GUIDANCE FOR ADDING A SENSOR TO MAKE THIS MEASUREMENT IS PROVIDED
IN THE PRECEDING SECTION.
2. G3X CONFIGURATION GUIDANCE
A. NO CONFIGURATION REQUIRED ON GEA 24 TO ENABLE CAN BUS
B. ON THE ENGINE CONFIGURATION PAGE
SET PROBE TYPE ON FADEC SUPPORTED ENGINE PARAMETERS
TO "ROTAX FADEC"
CAN NODE
CAN NODE LENGTH
0.3 METER MAXIMUM
FADEC_CAN3_HI 48
FADEC_CAN3_LO
49
S
3. THIS WIRING METHOD IS ONLY POSSIBLE WITH GEA 24B. FOR GEA 24 INTERCONNECT
REFER TO FIGURE 28-2.2
CAN_GND_1_LA
(NO CONNECTION)
4
CAN_GND_1_LB
(NO CONNECTION)
6
120 Ω
120 Ω