Contents:

• 1. Revisions
• 2. Introduction
• 3. Acronyms
• 4. The pnCCD Hardware
  • 4.1. Overview
  • 4.2. The 1 Megapixel pnCCD Detector at European XFEL
  • 4.3. In-Vacuum Electronics
    • 4.3.1. CAMEX ASICs
  • 4.4. Front-End Electronics
    • 4.4.1. FastADC Digitizers
    • 4.4.2. Sequencer
    • 4.4.3. Clock and Control
  • 4.5. MPOD Power Supply
  • 4.6. Uninterrupted Power Supply
  • 4.7. pnCCD PLC System
  • 4.8. pnCCD Vacuum System
  • 4.9. pnCCD Cooling System
    • 4.9.1. Lake Shore Temperature Controller
  • 4.10. pnCCD Interlock System
  • 4.11. pnCCD Motion System
• 5. The Hardware Setup and Cable Connections
  • 5.1. In-Vacuum Electronics Cable Connections
  • 5.2. Cable Connections for the Front-End Electronics Outside Vacuum
    • 5.2.1. Data Transfer and Communication with the DAQ
    • 5.2.2. Clock and Control
    • 5.2.3. The \(\mu\!\) TCA crate
    • 5.2.4. FastADC Digitizers
    • 5.2.5. Sequencer
  • 5.3. Cable Connections for the MPOD System
  • 5.4. The Vacuum System’s Hardware
  • 5.5. Hardware Setup for the pnCCD Cooling System
    • 5.5.1. The pnCCD Chillers
    • 5.5.2. The Lake Shore Unit
  • 5.6. pnCCD Interlock System Setup
  • 5.7. pnCCD Motion System Setup
• 6. pnCCD Control Software
  • 6.1. Karabo
    • 6.1.1. Karabo GUI
  • 6.2. pnCCD Karabo Scenes
  • 6.3. Karabo Devices Related to pnCCD
    • 6.3.1. Vacuum System
    • 6.3.2. Cooling System
    • 6.3.3. Motion System
    • 6.3.4. pnCCD Front-End Electronics & Clock and Control
    • 6.3.5. Saving the pnCCD Gain Setting
    • 6.3.6. MPOD System
    • 6.3.7. Online Preview
    • 6.3.8. Data Acquisition
• 7. pnCCD Data Acquisition
  • 7.1. Run Control
  • 7.2. Offline Data
    • 7.2.1. Accessing the Raw Data
• 8. pnCCD Operation; What to Do While on Shift
  • 8.1. pnCCD Is at Room Temperature When You Start Your Shift
    • 8.1.1. What to Do Towards the End of Your Shift
  • 8.2. pnCCD Is Already Running When You Start Your Shift
  • 8.3. Operating the pnCCD Front-End Electronics
    • 8.3.1. Sequencer Control
    • 8.3.2. Starting the Acquisition of FastADC Digitizers
  • 8.4. Changing Trigger Times:
  • 8.5. Saving the pnCCD Gain Setting
  • 8.6. pnCCD Power
    • 8.6.1. Powering ON the pnCCD
    • 8.6.2. Powering OFF the pnCCD
    • 8.6.3. Changing the pnCCD Operation Mode
  • 8.7. Operating pnCCD Chillers and Heaters
    • 8.7.1. Turning ON the Cold Head Heaters
    • 8.7.2. What happens if Chillers Stay ON while pnCCD if OFF?
  • 8.8. Processing Dark Runs
  • 8.9. Calibrating/Recalibrating Acquired Data
  • 8.10. Online Preview
    • 8.10.1. Raw Preview
    • 8.10.2. Corrected Preview
    • 8.10.3. Preview Histograms
  • 8.11. Pixel Saturation Levels
  • 8.12. Long Shutdown Periods
    • 8.12.1. Safe Mode for Vacuum System
• 9. Troubleshooting
  • 9.1. Maxwell Cluster Is Unaccessible
  • 9.2. The pnCCD Gain Setting Is Wrong at the End of the Dark Report
  • 9.3. Problems with the Calibration Webservice
    • 9.3.1. Runs are Stuck
    • 9.3.2. The pdf Output of the Processed Dark Run is Unaccessible
    • 9.3.3. Runs Are Not Appearing on the Calibration Webservice
    • 9.3.4. I Get an Error After Requesting Dark
    • 9.3.5. Dark Reports Do Not Appear
    • 9.3.6. Erros in the Dark Report
  • 9.4. Problems with Calibrating/Recalibrating Runs via Meta Data Catalog
    • 9.4.1. No Calibrate/Recalibrate Button
    • 9.4.2. Inactive Calibrate/Recalibrate Button
    • 9.4.3. Other Problems
  • 9.5. Problems with the Online Preview
    • 9.5.1. The Offset Time Stamp Is Not What It Should Be
    • 9.5.2. The Offset from and Noise from Fields on the pnCCD_Acquisition Scene are Empty
    • 9.5.3. The Common Mode Corrected Image Is Stuck
    • 9.5.4. The Offset Correction Karabo Device Is in Unknown State
    • 9.5.5. Raw Image Is Stuck
    • 9.5.6. Corrected Images are Stuck
  • 9.6. Problems with the FastADCs
    • 9.6.1. The FastADCs Seem to be Stuck
    • 9.6.2. The Formatter Karabo Devices Crash
    • 9.6.3. The Train IDs Are 0
    • 9.6.4. The Trigger Does Not Make Sense
    • 9.6.5. The ADCs Are Noisy
    • 9.6.6. Some Channels of the FastADCs Do Not Receive Any Raw Data
    • 9.6.7. There Is a Blue Light Lit on the FastADCs
  • 9.7. Errors While Powering Up/Down the pnCCD
  • 9.8. Problems with the pnCCD Interlock System
    • 9.8.1. pnCCD Chamber cannot be Vented
    • 9.8.2. The pnCCD Chillers Cannot Be Turned ON
    • 9.8.3. MPOD Power Supply Cannot Be Turned ON
  • 9.9. A Bright Intense Stripe Is Observed in the Middle of pnCCD
  • 9.10. When Is Annealing Necessary?
  • 9.11. Problems with the pnCCD Motion System
  • 9.12. Problems with the pnCCD Vacuum System
    • 9.12.1. Turbo Pumps and/or Valves Are in Error State
    • 9.12.2. The Cold Cathode Gauge is Showing \(10^{-10}\) mbar
    • 9.12.3. The Interlock Is Tripped When Cold Heads’ Heaters Are Turned ON
  • 9.13. The Bottom pnCCD Module Is Not Cold Enough
  • 9.14. Problems with the DAQ Syatem
    • 9.14.1. Data Are Not Saved Properly
    • 9.14.2. Data Aggregators Are in Error State
    • 9.14.3. Applying Configuration in the Run Controller Fails
    • 9.14.4. The Proposal Number in the Run Controller Is Not Recognized
  • 9.15. The pnCCD Is Not Sensitive to the FEL
  • 9.16. The Sequencer Shows Only One Running Counter Instead of Two
  • 9.17. Problems with Karabo Bridge
• 10. Safety Measures
  • 10.1. DO
  • 10.2. DON’T
  • 10.3. Important Reminders