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Toshiba Alexion TSX-033A Service Manual
Also see for Alexion TSX-033A: Service manual
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No. 2D201-177EN*F105(1) Interface with OPCONTMNo. Signal name Signal flow Function1. VT(VIEW TRIG.)Servoamplifier (encoder) OPCONTM KGTSM T-CONTROL(GMSC)GCIFMMUDATThe data acquisition timing is controlled bythis trigger pulse. The DAS acquisitionsequence starts on the rising edge of thissignal. When the gantry is not rotating,including when the scan is being performedusing DCA with the gantry stopped, thepulses generated in the KGTSM (GMSC)are output and the DAS performs freerunning.2. DAS-MODE0DAS-MODE1DAS-MODE2DAS-MODE3DAS-MODE4SSCONTXKGTSM (GMSC)GCIFMMUDATOPCONTMT-CONTROLControls the DAS operation mode. Duringnormal scanning, the system softwareautomatically selects the control signal.When performing data acquisition with theDCA, gain changing and test mode can beselected.3. DATACLK(DATACLOCK)T-CONTROLOPCONTMThis is a control signal for latching DASoutput signals. Data is sent to OPCONTMin synchronization with the rise of thissignal.4. DATA 00 toDATA 15T-CONTROLOPCONTMMUDATGCIFMHIF416-bit parallel data sets are outputsequentially starting from channel 1 tochannel 768 of row 1, channel 1 to channel768 of row 2, ...., and channel 1 to channel768 of row 4. In the normal dataacquisition mode, the high-order 2 bits aregain bits, and the low-order 14 bits areoutput of the A/D converter.DATA 15 DATA 14 FPA GAIN001101016481Overflow5. PDSW0PDSW1PDSW2SSCONTXKGTSM (GMSC)GCIFMMUDATOPCONTMT-CONTROLThe slice thickness of the detector can bechanged. When normal scanning isperformed, the system softwareautomatically selects this signal. WhenDCA data acquisition is performed, the gaincan be changed or a test pattern can beselected. |
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