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Siemens MAMMOMAT NovationDR Installation Instructions Manual
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Siemens MAMMOMAT NovationDR Installation Instructions Manual

Siemens MAMMOMAT NovationDR Installation Instructions Manual

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MAMMOMAT Novation
Installation Instructions
FFDM-S Service Manual DRC
Print No.: SPB7-250.812.02.01.02
Replaces: N/A
DR
© Siemens AG 2004
The reproduction, transmission or
use of this document or its contents
is not permitted without express
written authority. Offenders will be
liable for damages. All rights,
including rights created by patent
grant or registration of a utility
model
_or_ design,_are_
English
Doc. Gen. Date: 02.04
SP
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  • Page 1 MAMMOMAT Novation Installation Instructions FFDM-S Service Manual DRC © Siemens AG 2004 The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent...
  • Page 2 ® DirectRay for Siemens Full Field Digital Mammography (FFDM-S) Service Manual Direct Radiography Corp. February 5, 2004 Document No. MAN-00190...
  • Page 3 February 5, 2004 The information contained in this manual is confidential and proprietary to Direct Radiography Corp. This information is provided only to authorized representatives of Direct Radiography Corp. customers solely for the purpose of facilitating the use of Direct Radiography products. No information contained herein may be disclosed to any unauthorized person for any purpose whatsoever without the prior written consent of Direct Radiography Corp.

  • Page 4: Table Of Contents

    Contents About This Manual Intended Use........................vii Organization........................vii Conventions Used in This Manual................... viii Chapter 1: Introduction What Is the DirectRay FFDM-S System?............... 1-1 General Safety and Compliance Information ..............1-2 Safety Precautions....................1-2 General Use Cautions and Warnings ..............1-2 United States Federal and State Regulations............
  • Page 5 Layer Structure....................... 2-10 Electronic Readout....................2-11 Chapter 3: Installation Unpacking the DirectRay Hardware Components ............3-2 Unpacking the DirectRay Detector ................3-2 Hardware Installation Information ................... 3-5 DirectRay Detector Installation................. 3-5 DirectRay PXCM Installation ..................3-6 DirectRay Interface Card Installation................ 3-7 Fiber Optic Cable Installation and Care Guidelines ..........
  • Page 6 Upgrading the PXCM Software................5-20 Rebooting the PXCM ..................... 5-21 Shutting Down the PXCM ..................5-22 Generator Functions ....................5-23 Viewing Information About the Generator.............. 5-24 Viewing and Modifying the Generator Configuration ..........5-26 Factory Service Functions.................... 5-28 Chapter 6: Maintaining Image Quality DirectRay Detector Calibration..................
  • Page 7 THIS PAGE IS INTENTIONALLY BLANK. February 5, 2004 FFDM-S Service Manual...

  • Page 8: About This Manual

    About This Manual This manual contains service information for the DirectRay Full Field Digital Mammography (FFDM-S) system components. It includes an overall description of how the system operates as well as providing detailed service support procedures such as installation, calibration, and troubleshooting. Intended Use Digital images can be viewed, stored, or printed.

  • Page 9: Conventions Used In This Manual

    Appendix A: Specifications Provides specifications for the DirectRay FFDM-S components. Appendix B: Field Replaceable Units Provides a listing of the FRUs for the DirectRay FFDM-S components. Conventions Used in This Manual This manual uses three types of special messages to emphasize information or point out potential risks to personnel or equipment.

  • Page 10: Chapter 1: Introduction

    Introduction This chapter provides the general overview of the DirectRay Full Field Digital Mammography (FFDM-S) system and its components. It also includes safety and compliance information. What Is the DirectRay FFDM-S System? The DirectRay FFDM-S system is composed of the following components in a direct-to-digital X-ray mammography imaging system: •...

  • Page 11: General Safety And Compliance Information

    General Safety and Compliance Information Safety Precautions • Observe all warnings and cautions in the procedures. • Follow all safety labels on the equipment. General Use Cautions and Warnings CAUTION Federal (USA) law restricts this device to sale by or on the order of a physician (or properly licensed practitioner) WARNING The DirectRay FFDM-S system includes no user serviceable parts.

  • Page 12: Caution Regarding Small-Detail Object Imaging

    Caution Regarding Small-Detail Object Imaging As with all digital imaging devices, there is the potential that small-detail structures, high-contrast edge structures, and fine-line structures with a repeating pattern could appear differently in the digital image than in an image created with an analog device—such as screen–film system—or with another digital device having smaller individual detector elements.

  • Page 13: Detector Safety And Compliance Information

    Detector Safety and Compliance Information Environment The operating environment is 20° to 35°C (68° to 95°F), 10 to 80% Relative Humidity (non condensing). Make sure the ventilation openings at the rear of the detector are not obstructed. For storage and transportation, the temperature range must stay within 10°...

  • Page 14: Warnings, Cautions, And Notes

    Warnings, Cautions, and Notes WARNING A Protective Earth Ground connection to the FFDM-S Detector shall be provided in the end use equipment installation. WARNING Dangerous Voltages are present on some components, printed wiring traces, and heatsinks. A blown fuse is an indication of a catastrophic failure of circuit components.

  • Page 15: Symbols Used

    Symbols Used Danger! Hazardous Voltages are present within this equipment. Attention! Consult this accompanying document for valuable information on the safe and effective use of this product. This thermometer symbol indicates the recommended operating +35 C +10 C temperature range of 20° to 35°C (68° to 95°F). A similar symbol appears on +95 F the product packaging indicating that during storage and transportation the +50 F...

  • Page 16: Pxcm Safety And Compliance Information

    PXCM Safety and Compliance Information Environment The operating environment is 10 to 50 C (50 to 122 F), 10 to 80% Relative ° ° ° ° Humidity (non condensing). Certification UL Recognized Component certified to be in compliance with applicable requirements of: •...
  • Page 17 CAUTION Some of the electronic components used in this product may be damaged by static electricity or electrostatic discharge. Unpack and handle using appropriate precautions. CAUTION Dielectric strength test caution: (Statement from Condor DC Supplies Inc. regarding their GSM28-5 power supply) "When performing Dielectric Strength Tests, catastrophic failure of the unit may result if a Dielectric Strength test voltage greater than 1800 Vac is applied between primary and secondary circuits.

  • Page 18: Chapter 2: Theory Of Operation

    Theory of Operation This chapter explains the sequence of internal operations that occur with system components during exposures. It also describes the DirectRay technology used in the DirectRay Detector. Normal Operations Sequence A flowchart of the normal workflow is illustrated in Figure 2-1 on page 2-2. Understanding the normal operation of the system facilitates troubleshooting to isolate the possible causes of problems.
  • Page 19 Technologist Receives Next Patient Exam Specific Settings are Displayed Technologist Identifies Patient in System Technologist Positions Patient Patient, and Exam Information is Displayed on Technologist Acquisition Workstation Technologist Modifies Modifies the Exam Technique Factors Settings Technologist Confirms Patient Identity on Acquisition Workstation Technologist Acquires Image...

  • Page 20: Communication Between The Pxcm And The Generator During An Exposure

    Communication Between the PXCM and the Generator During an Exposure The interface between the DirectRay Power and X-ray Control Module (PXCM) and the Generator consists of seven hardware signals and regular exchange of messages over an RS232 serial communication link. There are two exposure operating modes: Manual and Automatic Exposure Control (AEC).
  • Page 21 PREP_DR_DET_ Inactivation after exposure termination X-ray button t_boost activated t_prep_end_dly Acc. anode t_rotor_ok GEN_RDY_FOR_DR_EXP_ t_reset_dr_det_rdy t_det_rdy t_det_rdy_from_boost DR_DET_RDY_FOR_EXP_ t_grid_dly t_gen_rdy_disable_to_xray_off X_RAY_ON_ t_expose DR_SYST_RDY_ t_det_cycle t_dly_from_exp_finished DR_DET_ERR_ GEN_POWERED_ON_ t_gen_rdy_to_query Brick Request t_boost_to_query post exposure data msg Code A* Code C Brick Transmit Message t_gen_msg_dly Generator sends...
  • Page 22 PREP_DR_DET_ Inactivation after exposure termination X-ray button activated t_prep_end_dly Acc. anode t_boost t_rotor_ok GEN_RDY_FOR_DR_EXP_ t_disable_dr_det_rdy t_det_rdy t_det_rdy_from_boost DR_DET_RDY_FOR_EXP_ t_gen_rdy_disable_to_ray_off t_grid_dly X_RAY_ON_ pre exp. t_expose DR_SYST_RDY_ t_det_cycle t_dly_from_exp_finished DR_DET_ERR_ GEN_POWERED_ON_ t_gen_rdy_to_query Brick Request t_boost_to_query post exposure data msg Code A* Code B Code C Brick Transmit Message...
  • Page 23 Table 2-1. Exposure Signals Between PXCM and Generator Signal Direction Description PREP_DR_DET_ Generator to PXCM The Generator has started the preparations to perform an exposure. Activation: The Generator activates the signal when the exposure preparations have started. Deactivation: The Generator deactivates the signal when: •...
  • Page 24 Table 2-1. Exposure Signals Between PXCM and Generator Signal Direction Description X_RAY_ON_ Generator to PXCM The Generator is emitting X-rays. Activation: When the HV is applied to the X-ray tube, the signal is activated. Deactivation: When the HV is switched off, the signal is deactivated. Note: The emission can be pulsed but the signal will stay on for the duration of the full exposure.

  • Page 25: Directray Technology

    DirectRay Technology Indirect Versus Direct X-ray Capture Most digital X-ray detectors use a scintillator, such as Cesium Iodide (CsI), or phosphor as the X-ray capture media. As illustrated in Figure 2-4, this “indirect” method requires converting the X-ray signal to light, which is then used to create a charge which is later digitized and used to generate the final image.

  • Page 26: The Directray Detector

    The DirectRay Detector The DirectRay Detector, illustrated in Figure 2-5, directly converts the X-rays to digital data. The DirectRay Detector has several layers. The first layer inside the cover, the SE-TFT detector matrix, converts the X-rays to digital data. The DirectRay Detector also contains the control electronics and the precision analog electronics that perform the data capture and conversion into digital format.

  • Page 27: Layer Structure

    Layer Structure The structural foundation of the DirectRay Detector is a rigid sheet of glass onto which is formed a detector element matrix using standard thin-film Active-Matrix Liquid Crystal Display (AMLCD) manufacturing techniques. As illustrated in Figure 2-6, each detector element consists of a single-storage capacitor, charge-collection electrode and an amorphous silicon (TFT) field-effect transistor (FET) switch.

  • Page 28: Electronic Readout

    Figure 2-7. Cross-Sectional View of the “Mushroom” Charge-Collection Electrode The layer above the detector element array is the actual X-ray conversion material. To achieve sufficient X-ray absorption, a thickness of 500 µm of a-Se is used. This material has been widely used in xeroradiography, so its electrical properties and vacuum deposition processes are well understood.
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  • Page 30 Installation This chapter explains how to install the DirectRay components: the Detector, the Power and X-ray Control Module (PXCM), and the Interface PCI card. Installation should be performed in the following sequence: 1. Unpack the DirectRay components. 2. Install the DirectRay Detector in the bucky and the PXCM in the X-ray tower. 3.

  • Page 31: Unpacking The Directray Hardware Components

    Unpacking the DirectRay Hardware Components Unpacking the DirectRay Detector NOTE: Save all packing materials, in case you need to return the DirectRay Detector to Direct Radiography Corp. To unpack the DirectRay Detector: 1. Open the box and remove the packing insert. Open box and remove top packing insert GS20_414.cdr...
  • Page 32 3. Lift the inner box from the large box by pulling up on the lifting band. Lift out inner box by pulling on lifting band (do not cut the band) GS20_416.cdr NOTE: Do not cut the lifting band. 4. Slide the lifting band from the inner box. Temperature logger Open box, remove packing insert,...
  • Page 33 6. Carefully remove the Detector from its protective bag. CAUTION Handle the Detector with extreme care! Avoid touching the thin film top cover that protects the imaging area. The imaging electronics under the front cover are extremely sensitive. The actual image area starts at the front edge and is approximately 25 mm inside the other three edges.

  • Page 34: Hardware Installation Information

    Hardware Installation Information DirectRay Detector Installation Install the DirectRay Detector in the mammography equipment using four M6 threaded fasteners. Figure 3-1. DirectRay Detector Fastener Hole Locations Figure 3-2 shows the Detector connector used for the cable that connects the Detector to the DirectRay PXCM. Connector for cable to DirectRay PXCM GS20_411.cdr...

  • Page 35: Directray Pxcm Installation

    DirectRay PXCM Installation Mount the DirectRay PXCM in the mammography equipment on four size M4 studs, in the position indicated in Figure 3-3. NOTE: To ensure reliable communications, keep the fiber optic connections covered by protective caps when not in use. Figure 3-3.

  • Page 36: Directray Interface Card Installation

    DirectRay Interface Card Installation The DirectRay Interface card is PCI-bus compatible, and uses a standard PCI card install procedure. For installation instructions, refer to the hardware installation instructions that accompany the Acquisition Workstation. Figure 3-5 shows the Interface card fiber optic connectors used for the cable that connects the PXCM to the Interface card.

  • Page 37: Fiber Optic Cable Installation And Care Guidelines

    Fiber Optic Cable Installation and Care Guidelines Handling • Always handle fiber optic cables delicately and by the connector housing. • Avoid acute bends in the cable, as this could break the fiber optic link inside the cable. Connecting • Always perform one connection at a time.

  • Page 38: Chapter 4: Calibrating The Aec

    Calibrating the AEC This chapter describes how to calibrate the AEC by generating a goal table for a desired target/filter combination and loading it into the DirectRay Power and X-ray Control Module (PXCM). You use the AEC Calibration Tool to perform the calibration. When AEC Calibration Should Be Performed AEC calibration should be performed: •...

  • Page 39: Starting The Aec Calibration Tool

    Note that, if you know the correct HVL value, derived by running the Determine HVL procedure previously, you can skip that procedure and go right to the Determine ESE procedure. Likewise, if you know the valid mAs to use during the “goal image”...

  • Page 40: Viewing Version Information And Exiting The Tool

    Note that the window image above shows the default configuration of the tool: • Target/filter setting is Mo/Mo • Units are set to Gy/mGy • AGD is set to 1.5 mGy • No procedure active Viewing Version Information and Exiting the Tool To view the tool’s version and build information, open the Help menu and choose About.
  • Page 41 Table 4-1. AEC Calibration Tool Functions and Options (cont.) Function/Option Description Use this to select the desired Average Glandular Dose to be used in calculating the mAs value for calibration. In a future version, this value will be logged on the end of the goal table file. The default is 1.5 mGy (150 mR).

  • Page 42: Determining The Half Value Layer (Hvl)

    Determining the Half Value Layer (HVL) Select the Determine HVL procedure option if you need to determine the HVL of the X-ray Generator for a given target/filter combination. This procedure requires taking four exposures. • The first exposure and the last exposure are “control” exposures with no attenuating material in place.
  • Page 43 2. Once the setup is complete, click the Enable Capture button. The Status message changes from “DRAPI Ready” to “DRAPI Armed” and turns from yellow to green. 3. Make sure the Generator is configured properly, then make the indicated exposure. 4.
  • Page 44 9. Make sure the Generator is configured properly and make the indicated exposure. 10. In the Reading field, enter the dosimeter value in the appropriate units 11. Make sure the entry is correct, then click the Submit button. When the DRAPI is ready to be enabled for the next exposure, the Status will again say “DRAPI Ready”...

  • Page 45: Determining The Entrance Skin Exposure (Ese)

    Determining the Entrance Skin Exposure (ESE) You select the Determine ESE procedure option if you need to determine a valid mAs to use when generating a goal image. NOTE: If you already know the valid mAs to use and want to proceed to generating the goal image, go to “Generating the Goal Image”...
  • Page 46 5. Click the Enable Capture button, then make the indicated exposure. 6. Enter the dosimeter reading in the appropriate units. Note that the scale of the units to be entered changes from mR to R if the R/mR units are selected, but remains in mGy if Gy/mGy units are selected. 7.
  • Page 47 February 5, 2004 4-10 FFDM-S Service Manual...

  • Page 48: Generating The Goal Image

    Generating the Goal Image You use the Generate Goal procedure to generate the goal table for the selected target/filter combination.The goal table will be created for the mAs value used by the Generator to create the goal images. Before performing the Generate Goal procedure, you must have a valid mAs value. If you do not know a valid mAs value, you can perform the HVL and ESE procedures to determine it.
  • Page 49 2. Select the desired number of Goal Images to average (1 to 4) before taking the first exposure. 3. Follow the displayed instructions for Generator configuration. Note that if you just finished the ESE determination, the suggested mAs appears both in the text field and in the mAs field. This is intended to be only a reminder;...

  • Page 50: Copying Goal Images

    Alternatively, you may see the following output in the terminal window where you started the tool: Installing goaltab to long-term Brick configuration... (/usr/local/bin/xrayconfig goaltab save /tmp/goaltab) "save" OK. Installing goaltab to effective and short-term Brick configuration... (/usr/local/bin/xrayconfig goaltab load /tmp/goaltab) *** Error 256 running rssio_exec for load.
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  • Page 52: Chapter 5: Pxcm Web Tool

    PXCM Web Tool This chapter describes tasks related to using the DirectRay Power and X-ray Control Module’s (PXCM) Web Tool. When PXCM Web Functions Should Be Used Many of the PXCM Web Tool functions are intended for use only by Direct Radiography Corp., or only when Direct Radiography Corp.’s Support staff directs you to use them in the course of troubleshooting system problems.

  • Page 53: Function Security Levels And Login Prompts

    Function Security Levels and Login Prompts PXCM web tool functions are assigned one of three security levels. The security level is indicated in the Security panel at the top of each function’s page: Low security, indicated by a green background. These functions can be used without affecting the related component’s operation.

  • Page 54: Detector Functions

    The login and password are: login: root password: brick Once you have logged in to a particular function, you will not be prompted to log into that function again when attempting to use it during the same PXCM web tool session.

  • Page 55: Viewing Information About The Detector

    Viewing Information About the Detector To view information about the Detector, click the Information/Status link on the Array Control Panel page, or the Info link on any of the other Array pages. The Array Information - Summary page displays. February 5, 2004 FFDM-S Service Manual...
  • Page 56 To view a listing of the Detector files, click the Array Files button. A list of Detector files displays, as shown below. Some file names are links; clicking on one of these links displays the contents of the file. February 5, 2004 PXCM Web Tool...

  • Page 57: Viewing Detector Log Files

    Viewing Detector Log Files NOTE: Detector log file information is intended as an aid to Direct Radiography Corp. Support staff in troubleshooting Detector problems. For this reason, you will typically be using this function only at the direction of Direct Radiography Corp. Support. To view Detector log files, click the Log File(s) link on the Array Control Panel page, or the Logs link on any of the other Array pages.
  • Page 58 The following screen shot shows an example of the current active log listing (displayed by clicking the Summary button). To return to the Advanced Search and Detailed Log Info page from the active log listing page, click the Detailed button. February 5, 2004 PXCM Web Tool...

  • Page 59: Upgrading Detector Software Components

    Upgrading Detector Software Components NOTE: Typically, you will be upgrading an Detector software component only at the direction of Direct Radiography Corp., or if you suspect that the current software component is corrupt. To upgrade one of the Detector’s software components: 1.

  • Page 60: Powering The Detector On And Off

    NOTE: To clear your file selection, click the Reset Form button. 4. When you are ready to start the software file transfer, click the Upgrade button. The file transfer status is displayed on the page. 5. After the transfer is complete, reboot the Detector to have it start up using the software you just transferred.

  • Page 61: Pxcm (Brick) Functions

    PXCM (Brick) Functions The PXCM functions are accessible from the Brick Control Panel page. NOTE: The PXCM is also referred to as the “brick.” Therefore, you will see the terms “PXCM” and “brick” used interchangeable throughout the web tool and the PXCM topics in this chapter. To display the Brick Control Panel page, click either of the Brick links on the home page.

  • Page 62: Viewing Information About The Pxcm

    Viewing Information About the PXCM To view information about the PXCM, click the Information/Status link on the Brick Control Panel page, or the Info link on any of the other PXCM pages. The PXCM Information - Summary page displays. To view more detailed PXCM information, click the Detailed button. A sample of the PXCM detailed information is shown on the following page.
  • Page 63 NOTE: The PXCM Information page also includes an Advanced button for displaying even more detailed information. However, this advanced information is intended only as an aid to Direct Radiography Corp. Support staff in troubleshooting PXCM problems. For this reason, you will typically be using this function only at the direction of Direct Radiography Corp.

  • Page 64: Viewing Pxcm Log Files

    Viewing PXCM Log Files NOTE: PXCM log file information is intended as an aid to Direct Radiography Corp. Support staff in troubleshooting PXCM problems. For this reason, you will typically be using this function only at the direction of Direct Radiography Corp. Support. To view PXCM log files, click the Log File(s) link on the Brick Control Panel page, or the Logs link on any of the other PXCM pages.
  • Page 65 The following screen shot shows an example of the current active log listing (displayed by clicking the Summary button). To return to the Advanced Search and Detailed Log Info page from the active log listing page, click the Detailed button. February 5, 2004 5-14 FFDM-S Service Manual...

  • Page 66: Viewing Pxcm Application Information

    Viewing PXCM Application Information NOTE: PXCM application information is intended as an aid to Direct Radiography Corp. Support staff in troubleshooting PXCM problems. For this reason, you will typically be using this function only at the direction of Direct Radiography Corp. Support. To view PXCM application information, click the Application Control link on the Brick Control Panel page, or the App link on any of the other PXCM pages.

  • Page 67: Viewing Pxcm Aec Configuration Information

    Viewing PXCM AEC Configuration Information NOTE: PXCM Automatic Exposure Control (AEC) configuration information is intended as an aid to Direct Radiography Corp. Support staff in troubleshooting AEC problems. For this reason, you will typically be using this function only at the direction of Direct Radiography Corp. Support. To view PXCM AEC configuration information, click the Brick AEC Configuration link on the Brick Control Panel page, or the AEC link on any of the other PXCM pages.
  • Page 68 February 5, 2004 PXCM Web Tool 5-17...

  • Page 69: Viewing Media Converter Board (Mcb) Information And Upgrading Its Firmware

    Viewing Media Converter Board (MCB) Information and Upgrading Its Firmware NOTE: Viewing MCB information, or upgrading its firmware, is intended as an aid to Direct Radiography Corp. Support staff in troubleshooting PXCM problems. For this reason, you will typically be using these functions only at the direction of Direct Radiography Corp. Support. To view MCB firmware information, click the Brick Firmware link on the Brick Control Panel page, or the MCB link on any of the other PXCM pages.
  • Page 70 To upgrade the MCB firmware: 1. Click the Upgrade Firmware button on the MCB page. The Upgrade PXCM Firmware (MCB) page displays. 2. Click the Browse button, then navigate to and select the appropriate MCB firmware file from your Acquisition Workstation’s file system. The file you selected is displayed in the Please select the Firmware file to transfer field CAUTION The PXCM Web Tool does not check that the appropriate file type has been...

  • Page 71: Upgrading The Pxcm Software

    For more information, refer to “Function Security Levels and Login Prompts” on page 5-2. 2. For the Select the package to be upgraded option, select siemens. 3. Select whether you want to overwrite all of the PXCM configuration files.

  • Page 72: Rebooting The Pxcm

    4. Click the Browse button, then navigate to and select the appropriate PXCM software file from your Acquisition Workstation’s file system. The file you selected is displayed in the Please select the file to transfer field. CAUTION The PXCM Web Tool does not check that the appropriate file type has been selected.

  • Page 73: Shutting Down The Pxcm

    Shutting Down the PXCM To shut down the PXCM, click the Shutdown the Brick link on the Array Control Panel page, or the Shutdown link on any of the other PXCM pages. You will be prompted to confirm the shutdown operation. NOTE: For security purposes, you may be prompted to enter a login name and password before executing this function.

  • Page 74: Generator Functions

    Generator Functions The Generator functions are accessible from the Generator Control Panel page. To display the Generator Control Panel page, click either of the Generator links on the home page. February 5, 2004 PXCM Web Tool 5-23...

  • Page 75: Viewing Information About The Generator

    Viewing Information About the Generator To view information about the Generator, click the Information/Status link on the Generator Control Panel page, or the Info link on any of the other Generator pages. The Generator Information - Summary page displays. To view more detailed Generator information, click the Detailed button. A sample of the Generator detailed information is shown on the next page.
  • Page 76 February 5, 2004 PXCM Web Tool 5-25...

  • Page 77: Viewing And Modifying The Generator Configuration

    Viewing and Modifying the Generator Configuration NOTE: Viewing or modifying the Generator configuration is intended as an aid to Direct Radiography Corp. Support staff in troubleshooting system problems. For this reason, you will typically be using these functions only at the direction of Direct Radiography Corp. Support. To view Generator configuration information, click the Configure Generator link on the Generator Control Panel page, or the Config link on any of the other Generator pages.
  • Page 78 To change the Generator configuration settings: 1. Click the Modify Settings button on the Generator Configuration page. The Generator Configuration - Modify Settings page displays. 2. Select the Duration of Change option to specify how long you want the new scan timeout value to be in effect.

  • Page 79: Factory Service Functions

    Factory Service Functions The Factory Service functions allow you to view a summary of information about the Detector, the PXCM, and the Generator. It also allows you to save critical logs to files that can be sent to Direct Radiography Corp. for troubleshooting analysis. NOTE: The log files are intended as an aid to Direct Radiography Corp.

  • Page 80: Chapter 6: Maintaining Image Quality

    NOTE: Calibration must not be performed for at least one hour after the Detector has been powered on to allow it to warm up. • When the room temperature has varied more than ±3°C (±5.4°F) from the last calibration. NOTE: Calibration must always be performed according to Siemens Calibration Instructions. February 5, 2004...

  • Page 81: Troubleshooting Image Quality

    Troubleshooting Image Quality DirectRay components, when operating incorrectly, can yield a variety of unacceptable imaging artifacts. These artifacts can come from anywhere along the chain of image capture, conversion, and display. The tables in this topic suggest the causes and corrective responses for particular problems. A key step in analysis is to isolate the artifact to the component that is producing it.
  • Page 82 Table 6-2. Random Artifacts Problem Cause Recommended Action Increase in Defective Pixels Defective pixel file requires updating. Contact Direct Radiography Corp. Support and Lines for information on bad pixel correction. Table 6-3. Structured Artifacts Problem Cause Recommended Action Appearance of 24 “256 blocks” Gain calibration not turned on.
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  • Page 84: Chapter 7: Troubleshooting Guidelines

    Troubleshooting Guidelines This chapter explains the diagnostic and troubleshooting guidlines for the DirectRay FFDM-S components. General Troubleshooting Guidelines THIS TOPIC STILL UNDER DEVELOPMENT Interpreting Results from PXCM Self-Test THIS TOPIC STILL UNDER DEVELOPMENT February 5, 2004...

  • Page 85: Interpreting The Pxcm Status Leds

    Interpreting the PXCM Status LEDs The PXCM includes three status LEDs (shown in Figure 7-1 below): • V1—Fiber-optic communications status. A red LED that lights to indicate lack of communication from the FFDM-S. Likely causes are misconnected fiber optic lines or the Detector being turned off. •...

  • Page 86: Chapter 8: Replacement

    Replacement The chapter provides replacement guidelines for the DirectRay system components, and explains how to pack the Detector for shipment back to Direct Radiography Corp. Replacement Guidelines The field replaceable units for the DirectRay FFDM-S system include: • DirectRay Detector •...

  • Page 87: Packing A Directray Detector For Shipment

    Packing a DirectRay Detector for Shipment The DirectRay Detector must be properly packed before it is shipped. To pack the Detector for shipping: 1. Locate the original packing material in which the Detector was shipped prior to installation, and place the Detector in its protective bag. 2.
  • Page 88 3. Place the inner box, the phase change material, and packing inserts in the outer box, as shown below. February 5, 2004 Replacement...
  • Page 89 4. Place the large packing insert between the inner and outer boxes, as shown below. 5. Tape the box closed. February 5, 2004 FFDM-S Service Manual...

  • Page 90: Appendix A: Specifications

    Specifications STILL UNDER DEVELOPMENT DirectRay Detector, PXCM, and Interface Card General Specifications DirectRay Detector: X kg (X lb) Weight: DirectRay PXCM: X kg (X lb) DirectRay Interface Card: X kg (X lb) Dimensions: DirectRay Detector: Width: X cm (X in.) Height: X cm (X in.) Depth:...

  • Page 91: Electrical

    Electrical DirectRay Detector DirectRay PXCM 100-240 V, 60/50 Hz, 1 A, 1 phase Environment Transit/Storage DirectRay Detector 10° to 40°C (50 to 104°F), assuming the DirectRay Detector is Temperature: shipped in an approved insulated shipping container X°C (X°F) per hour, assuming the unit is stored in an approved Maximum gradient: shipping container X to X% (allow condensation dry time before installing)

  • Page 92: Pxcm Connector Locations And Pinouts

    PXCM Connector Locations and Pinouts DirectRay Detector-to-PXCM Connection Detector/PXCM Connector (X601) Signal Pins EL power EL power com +24vdc 24com +24vdc 24com +24vdc 24com Data Shield Data + Data - Serial Shield Xmit + Xmit - Recv + Recv - Bot EL ON (spare) (no connection)

  • Page 93: Pxcm-To-Generator Connection

    PXCM-to-Generator Connection PXCM Connector Signal (X602) Pins Comments GEN_+5V_CTRL DB25P-1 No connection. PREP_DR_DET_ DB25P-2 GEN_RDY_FOR_DR_EXP_ DB25P-3 DR_DET_RDY_FOR_EXP_ DB25P-4 DR_SYST_RDY_ DB25P-5 DR_DET_ERR_ DB25P-6 GEN_POWERED_ON_ DB25P-7 X_RAY_ON_ DB25P-8 (spare) DB25P-9 DB25P-10 DB25P-11 GEN_+5V_232 DB25P-12 X-ray equipment supplies +5 Vdc to power its side of the optocouplers.

  • Page 94: Appendix B: Field Replaceable Units

    Field Replaceable Units Part No. Description FFDM-S DirectRay Full Field Digital Mammography Detector PXCM-S DirectRay Power and X-ray Control Module DRIC-S DirectRay Interface Card (PCI) February 5, 2004...
  • Page 95 This Page Left Intentionally Blank February 5, 2004 FFDM-S Service Manual...

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