Attached is the CAN bus protocol document that outlines the communication of devices on the MGL CAN bus, such as the SP-6, SP-7, RDAC XF, Servos, Transponder
Below is a schematic diagram of an SP-10 used for Pitch Trim only with a Ray Allen servo. When used with an MGL Avionics iEFIS and MGL Avionics autopilot servos, this setup will allow auto-trim of the aircraft when under autopilot control.