Reichert AT550 - Instrument Components

13900-103 Rev. A Page 7
Figure OP-1. Alignment System
Theory of Operation (Continued)
Control Bd.
Video Bd.
Display Bd.
I/OBd.
Display Control Bus
L. Video
L. LED Driver
R. LED Driver
1 Surface
Mirror
st
IR Pass
Filter
Position
LED Camera
Eye
Position LED
* Arrow direction
showing infrared
LED light path
Spacer
Lens
Position
Lens
Motor Bd.
Motor Status
Motor Stops
I/OBus
I2C Bus
I/OBus
R. Data Valid
Pos. Camera Set
L. Data Valid
I2C Bus
I2C Bus
R. Video
I2C Bus