Breakout Session Controls Commissioning Experience July 10 12

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Breakout Session: Controls Commissioning Experience July 10 -12, 2007 LCLS DOE Review Patrick Krejcik

Breakout Session: Controls Commissioning Experience July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

From First Beam LCLS commissioned a new injector with beam AND commissioned a new

From First Beam LCLS commissioned a new injector with beam AND commissioned a new Control System First observed photoelectrons July 10 -12, 2007 LCLS DOE Review Advanced Data Acquisition Measure time-resolved properties of a single bunch Slice emittance and energy spread – Key parameter for FEL Streaked image from TCAV Patrick Krejcik [email protected] stanford. edu

Overview This presentation summarizes which control system components are currently working for the injector

Overview This presentation summarizes which control system components are currently working for the injector commissioning phase Screen shots from EPICS show functionality of each system Data from the Elog is shown to illustrate acquisition Comments on what works and what doesn’t are included Summary includes lessons learned and what still needs to be done July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Everything is accessible from this screen July 10 -12, 2007 LCLS DOE Review Patrick

Everything is accessible from this screen July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Beam line graphic used for most GUIs e. g. injector vacuum summary July 10

Beam line graphic used for most GUIs e. g. injector vacuum summary July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Engineering graphic used for hardware monitoring e. g. gun temperature monitoring July 10 -12,

Engineering graphic used for hardware monitoring e. g. gun temperature monitoring July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

PPS Summary status displays - see presentation by P. Bong July 10 -12, 2007

PPS Summary status displays - see presentation by P. Bong July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

BCS Summary status display July 10 -12, 2007 LCLS DOE Review Patrick Krejcik pkr@slac.

BCS Summary status display July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Interim MPS working with SLC processor and timing - See S. Norum presentation for

Interim MPS working with SLC processor and timing - See S. Norum presentation for New LCLS MPS screen New optical fiber Loss monitor July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Conventional facilities - some systems interfaced to EPICS controls - gun LCW temp feedback

Conventional facilities - some systems interfaced to EPICS controls - gun LCW temp feedback working ok at 30 Hz - need to add alarm interface for temperatures, flows etc. July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Timing System - see separate, detailed presentation - LCLS Event system and SLC Timing

Timing System - see separate, detailed presentation - LCLS Event system and SLC Timing working in consort July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Laser Systems Image Acquisition and Steering Feedback PULNIX 8 -bit 640 x 480 120

Laser Systems Image Acquisition and Steering Feedback PULNIX 8 -bit 640 x 480 120 fps Camera. Link Used for centroid feedback July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Magnet Controls - See presentation by K. Luchini - many new systems commissioned -

Magnet Controls - See presentation by K. Luchini - many new systems commissioned - learning curve for standardization software etc. - regulation and readback an issue for some supplies July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Low Level RF Control (Kotturi, Akre) July 10 -12, 2007 LCLS DOE Review Patrick

Low Level RF Control (Kotturi, Akre) July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Gun RF Feedback in Operation - closing the loop between PAD and PAC July

Gun RF Feedback in Operation - closing the loop between PAD and PAC July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

RF Phase Scans Data acquired with Matlab July 10 -12, 2007 LCLS DOE Review

RF Phase Scans Data acquired with Matlab July 10 -12, 2007 LCLS DOE Review Data acquired with SCP Correlation Plot (diagnose a satellite peak from laser) Patrick Krejcik [email protected] stanford. edu

Profile monitor - control and diagnostics through EDM screens Uniq. Vision 12 bit, 1.

Profile monitor - control and diagnostics through EDM screens Uniq. Vision 12 bit, 1. 4 MP 15 fps Camera. Link RCX Camera link extender over fiber optic 100 mm thick YAG: Ce Crystal Gun spectrometer YAG Profile Monitor Screen July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

3 -screen OTR Emittance Measurement 135 Me. V, 200 p. C drift Screen 1

3 -screen OTR Emittance Measurement 135 Me. V, 200 p. C drift Screen 1 July 10 -12, 2007 LCLS DOE Review Screen 2 (waist) Screen 3 Patrick Krejcik [email protected] stanford. edu

BC Chicane OTR Screen Energy spread in BC 1 energy chirp at -40° off

BC Chicane OTR Screen Energy spread in BC 1 energy chirp at -40° off crest (4. 1 mm)/(230 mm) = 1. 8% rms. 1 mm thick Al foil July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Wire Scanners Based on existing SLAC mechanical design (E. Bong) Direction of motion Y

Wire Scanners Based on existing SLAC mechanical design (E. Bong) Direction of motion Y U X Updated EPICS controls interface Pulse-by-pulse compensation of bunch charge and trajectory jitter July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Two types of beam size measurement Profile monitor screens gives complete transverse profile of

Two types of beam size measurement Profile monitor screens gives complete transverse profile of beam on a single shot But inserting it in the beam is disruptive to FEL Wire scanner gives projected X, Y, and U profiles over several consecutive shots But is minimally invasive Redundant measurements are good for commissioning July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

RF Transverse Deflecting Cavity 2. 4 m 30 MW sy An S-band DLW structure

RF Transverse Deflecting Cavity 2. 4 m 30 MW sy An S-band DLW structure with a TM 11 transverse deflecting mode at 2856 MHz Bunch length Absolute calibration T-Cav. Off T-Cav. On Centroid Y-position sy T-Cav. Off RF Phase July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

T-Cav. Slice Emittance Measurement Slice up OTR screen image sxslice X-Emittance of 1 slice

T-Cav. Slice Emittance Measurement Slice up OTR screen image sxslice X-Emittance of 1 slice Reassemble slices Quadrupole strength July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

T-Cav Slice Energy Spread Measurement Screen at high dispersion location Slice Energy Spread Y

T-Cav Slice Energy Spread Measurement Screen at high dispersion location Slice Energy Spread Y T I M E d. Eslice sxslice X Energy July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Beam Position Monitors - see separate presentation from S. Smith July 10 -12, 2007

Beam Position Monitors - see separate presentation from S. Smith July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Synchronous Acquisition to measure Resolution Simultaneous measurement of all BPMs Fitted beam position versus

Synchronous Acquisition to measure Resolution Simultaneous measurement of all BPMs Fitted beam position versus measured yields resolution <2 microns at 400 p. C S. Smith et al. July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Beam Synchronous Acquisition uses Event Definitions – example of Matlab orbit display July 10

Beam Synchronous Acquisition uses Event Definitions – example of Matlab orbit display July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Beam Synchronous Acquisition on the SCP side - example of orbit from gun through

Beam Synchronous Acquisition on the SCP side - example of orbit from gun through to end of linac July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Motion control -BC 1 chicane movers in use - next to be commissioned: wire

Motion control -BC 1 chicane movers in use - next to be commissioned: wire scanners, collimators July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Generic Tools that are working SCP Configuration save and restore EPICS Channel Watcher Correlation

Generic Tools that are working SCP Configuration save and restore EPICS Channel Watcher Correlation plots Strip chart tools Archive Viewer Alarm handler Electronic logbook Matlab for higher level applications July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Electronic logbook gives instant overview July 10 -12, 2007 LCLS DOE Review Patrick Krejcik

Electronic logbook gives instant overview July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Control Room shared with PEPII operation Reorganizing the control room layout Purchasing more workstations

Control Room shared with PEPII operation Reorganizing the control room layout Purchasing more workstations Injector commissioning involved 12 or more in the room, so its likely to increase as the linac and undulator systems are commissioned July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu

Summary and lessons learned Remarkable commissioning achievement for the control system Controls commissioning time

Summary and lessons learned Remarkable commissioning achievement for the control system Controls commissioning time was squeezed Planned BC 2–linac installation is tight Improve liaison with mechanical engineering Learning curve to handle large number of IOCs and the huge number of PVs e. g. Restoring after a reboot Large number of Matlab scripts generated by physicists Controls group is a great TEAM! July 10 -12, 2007 LCLS DOE Review Patrick Krejcik [email protected] stanford. edu