Chapter 3
Theory of Operation
P/N 57150002, Revision 5.0 3 - 49 Trimble S, VX, SPS & RTS Service Manual
F
Function description
The tilt sensors main components are:
• Circular vessel filled with silicon oil.
• Optics to collimate light beam inside the oil and focusing the light source onto the image sensor.
• Point LED and CMOS area sensor.
• Electronic board, PCB for calculation and communication to IPC board.
Fig. 3-48 Tilt sensor functional diagram
Fig. 3-49 Situation tilt = 0,0 gon
Vertical axis
Ve s s e l
Silicon oil
Optics
Point LED
Area sensor
of the instrument
Electronic board
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