X-Ray Collimator Subsystem - GE Medical Systems PRODIGY Service Manual

2.15 X-Ray Collimator Subsystem

This document contains confidential or proprietary information of GE-Lunar Corp. Neither the document nor the information therein is
to be reproduced, distributed, used or disclosed, either in whole or in part, except as specifically authorized by GE-Lunar Corp.
2-78 System Overview
• The Shutter is actuated by a rotary solenoid using +26 VDC, the voltage
is reduced to a holding voltage of 12VDC after the shutter is opened.
• This solenoid is controlled by signals generated on the SBC, and
optically isolated through the FOINK board on PRODIGY I systems.
• An optical interrupter (OMI) detects the shutter open condition and
reports shutter position information back to the (c)SBC.
• This assembly is located on top of the X-ray Tube Head.
PRODIGY Service Manual (Rev C - 2000)