Saturn S300 Series Service Manual page 45

Installation
1．Open the upper door, you will see: there is a blank area with the white letters of FCU in the centre
of IOU.
2．Turn off the power, and plug the FCU in the IOU, refer to the picture below about the plugging
direction.
CAUTION：The plugs under the FCU must be exactly against to the pins of IOU.
3． Choose Encoder: Output 2000 signals by a roll (24V). There is "Definition of wiring" on the encoder.
(The photo below).
4-10