190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 23-55
23.13.3 CWS/Disconnect
CWS/Disconnect should be connected to an active low push-button switch that disengages the autopilot,
and optionally engages it, if configured. Press and hold the switch to allow for control wheel steering by
disengaging the clutch and servo motor. The CWS/Disconnect input must be connected to both the pitch
and the roll servos, and can optionally be connected to the yaw damper servo.
23.13.4 CAN Bus
This data bus conforms to the BOSCH standard for Controller Area Network 2.0-B. This bus complies
with ISO 11898. See Section 2.3.1.3
for CAN Bus details.
23.13.5 ID STRAP
The ID Strap inputs are used to configure the GSA 28 as a roll, roll trim, pitch, pitch trim, or yaw servo by
installing a jumper wire or not installing a jumper wire per the following:
Roll Servo: No jumper wire installed
Pitch Servo: Jumper wire installed from pin 5 to pin 8
Yaw Servo: Jumper wire installed from pin 6 to pin 7
Roll Trim: Jumper wire installed from pin 5 to pin 8 and from pin 6 to 7
Pitch Trim: Jumper wire installed from pin 7 to pin 8
23.13.6 RS-232
Pins 7 and 8 (TX and RX) connect to the GMC 30X RS232 channel 2 on the ROLL SERVO ONLY.
Pin Name Connector Pin I/O
CWS/DISCONNECT J281 15 In
Pin Name Connector Pin I/O
CAN_H J281 1 I/O
CAN_L J281 2 I/O
CAN_TERM_1 J281 3 --
CAN_TERM_2 J281 4 --
Pin Name Connector Pin I/O
ID_STRAP_1 J281 5 In
ID_STRAP_2 J281 6 In
ID_STRAP_3/(RS-232 TX for Roll Servo Only) J281 7 In
ID_STRAP_4/(RS-232 RX for Roll Servo Only) J281 8 In
Pin Name Connector Pin I/O
ID_STRAP_3/(RS-232 TX for Roll Servo Only) J281 7 Out
ID_STRAP_4/(RS-232 RX for Roll Servo Only) J281 8 In
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