1. ComCam Hardware and Interfaces James Howard ComCam CAM LSST 2017 Project & Community Workshop 2017 Aug 15

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Agenda
ComCam Team
Brief ComCam Description
Review division of responsibilities between Camera and T&S
Review Schedule
Camera Project
T&S Project
Interfaces
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3. ComCam Description
The LSST Commissioning Camera (ComCam) is a single raft 9-CCD instrument that will be used during the Project’s 6-month Early Integration and Test period

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ComCam Team
Camera
Kevin Reil
LSST Camera Commissioning lead
Travis Lange
Lead engineer on the Camera I&T team
Scott Newbry
Mechanical engineer on the Camera I&T team
Justine Haupt
Mechanical engineer from BNL
Tony Johnson
Manager of the Camera Control System subsystem
Mike Huffer
Manager of the Camera DAQ
Margaux Lopez
T&S
James Howard
ComCam CAM, Mechanical engineer
Gary Poczulp
Optical Shop Supervisor
Ming Liang
Optical Engineer
Paul Lotz
Software Engineer
Te-Wei Tsai
Oliver Wiecha
Electrical Engineer
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5. ComCam Responsibilities
Telescope & Site
Camera
Commissioning
ComCam Integrating Structure
Utility Box
Refrigeration Pathfinder Volume
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Corrector Optics, Shutter and Filter Changer
Cryostat Stage Assy

6. ComCam Responsibilities
Telescope & Site
Camera
Commissioning
ComCam Integrating Structure
Front End Assy
L1-L2 Assy
Filter Changer
Shutter
Alignment Fiducials
Cryostat
Raft Tower
Cryotel Coolers
Ion Pump
Turbo Pump
Roughing Pump
Vacuum Quality Monitor
L3 & Cryostat Front End Flange
Utility Box
Filter Control HCU
Raft Power
OTM Power
Utility Box Thermal Control
Ion Pump Pwr
Turbo Pump Controller
Refrigeration HCU
HCU (FT)
AC → DC Control
Network Switch (Fiber→ Eth)
Dynalene Coolant Distribution
MCM
Shutter Control & HCU
Filter Control &
Refrigeration Pathfinder
Test Dewar
Heat Exchanger (x2)
Thermal Load (x2)
L3 & Cryostat Front End Flange
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Filter Control

7. ComCam Responsibilities - Software
Telescope & Site
Camera
AOS w/ ComCam
WFS
Guiding
Camera Control System
CCS-Shutter
CCS-Filter Changer
CCS-Raft
CCS-Telemetry
CCS-MCM-OCS
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ComCam Schedule
Coordinate separately maintained schedules between Camera and T&S
Key Dates
Ship Shutter to SLAC: 6/14/2017 √
Ship Filter Changer and Controller to SLAC: 2/1/2018
Ship L3 cell to SLAC: 7/1/2018
Preship review from SLAC to Tucson: 2/4/2019 (earlier if possible)
CCS and DAQ installed in Tucson (?)
All software ready: 2/4/2019 (?)
Ship Cryostat to Tucson: 2/5/2019
Preship review: ComCam to Chile: 4/29/2019
Ship ComCam to Chile: 5/4/2019
ComCam ready for onsite tests: 7/29/2019
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ComCam Schedule
Camera Project ComCam Schedule
T&S Project ComCam Schedule
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10. Interfaces

11. Interface and Collaboration Diagram
ICDs between components are listed:
LSE-67: ICD between TCS and CCS
LSE-68: Camera Data Acquisition Interface
LSE-69: ICD between CCS and DM
LSE-71: ICD between OCS and CCS
LSE-72: ICD between OCS and DM
LSE-73: ICD between TCS and OCS
LSE-75: ICD between TCS and DM
LSE-73
LSE-71
LSE-75
LSE-72
LSE-67
LSE-75
LSE-68
LSE-69

12. Backup Slides

13. Questions
Reviews: What reviews do we need?
Should we have a dedicated annual ComCam All Hands Meeting?
Who is in charge of writing the comprehensive test plan in Tucson?
Who will be in Tucson to perform the ComCam tests?

14. Ownership <-> CCIS and cable wrap

15. Utilities

16. What interface details are needed for the DOE Comcam PDR?

17. Integration and Test in Tucson

18. Integration and Test in Tucson

19. Mounted to the Integrating Structure

20. Section View

21. Mounted to the Integrating Structure

22. ComCam Shutter
-Received from Bonn Shutter June 2017
-Semi-custom moving slit type with 236 mm aperture
-Minimum exposure < 1ms
-Programmable blade trajectory

23. Detector Raft & FOV
Field of View
Single raft

24. ComCam Optical Design