LCLS NEH Hutch Protection System
E. Michael Saleski; QC Manager
Michael G. Harms, Patrick Bong,
James Murphy, Alan Hill;
Engineers
11AUG09
NEH ARR PPS
Hutch Protection Systems (HPS)
Utilizes existing PLC system architecture, with some
differences.
Generally follow SSRL user-interface model
Two Access States: ‘Permitted’ and ‘No Access/Search Set’
Experimenters can set access at will and perform their own
searches
Stoppers controlled from PPS Hutch Users Panel near each Hutch
entrance.
PPS Hutch Users Panel has one door-release key which may be
removed from the panel when stoppers are confirmed ‘in’
SSRL Personnel Hutch door design is utilized
Roll-up Equipment Door is interlocked; locked administratively.
There is one ‘search preset key’ per hutch, given only to personnel
with adequate training
Each Hutch has an Online/Offline Keyswitch that prevents
completion of the search and removal of stoppers
11AUG09
NEH ARR PPS
Flowchart Illustrating X-Ray Beam Steering
Controls, Commissioning Config
Electron
Dump PPS
Enclosure
Photons from
Undulator
FEE PPS
Enclosure
S0
OUT
M1S
Mirror
Hutch 1
Enclosure
Hutch 2
Enclosure
Hutch 3
Enclosure
Beam to
XPP in
Hutch 3
SH1
IN
S1
M3S
Beam to
AMO in
Hutch 1
XPP
OUT
M3/4S
Mirror
M4S
11AUG09
NEH ARR PPS
S2
Beam to
SXR in
Hutch 2
SH2
EO
Pr
Equipment Access Doors
Emergency Off Button
Search Preset
Search Reset/Door Key
Annunciator
BSOIC
PPS Stopper
EO
‘S1’
ST1, ST2
Pr
EO
EO
Hutch 1
AMO
Pr
EO
EO
Hutch 3
Hutch 2
EO
Pr
SXR
EO
Pr
EO
EO
Pr
Pr
XPP
Pr
‘SH1’
ST1, ST2
11AUG09
NEH ARR PPS
EO
‘S2'
ST1, ST2
Pr
EO
EO
EO
Hutch 1 Detailed Floor Plan
EO
Pr1
Pr2
SH1
S2
S1
KEY
EO
Pr3
EO
Pr4
EO
Pr#
Emergency Off Button
Search Preset
(number indicated)
Yellow/Magenta Lights
HUP
RAD
Hutch Users Panel
Radiation Warning light,
strobe, and Sonalert
BSOIC
RAD
HPS Stoppers
EO
HUP
11AUG09
NEH ARR PPS
Hutch Users Panel
KEY
[b]
[a]
[c]
[d]
[e]
[n]
Reference
LED Indicator
Push Button
[i]
Key Switch
[j]
[f]
[g]
[h]
[n]
11AUG09
NEH ARR PPS
[m]
[k]
[l]
Not Used
(future expansion)
Safety Systems QA Plan
New project QA approach
Bench and pre-IAT field test of system software
NEH Software Bench Test (CD-SS-PPS-06-12-04)
NEH Hutch Software Field Test (CD-SS-PPS-06-12-19)
Acceptance tests performed for assemblies and
chassis’s (such at stoppers)
HPS Stopper Acceptance Test (CD-SS-PPS-06-12-03)
Cold and energized checkout of installed hardware
Hutch 1 PPS Hardware Checkout (CD-SS-PPS-06-12-16)
NEH Hutch Software Field Test (CD-SS-PPS-06-12-19)
Formal IAT reviews with stakeholders
Hutch 1 IAT (CD-SS-PPS-06-12-13)
11AUG09
NEH ARR PPS
Established SSS Design Review Process
Start
Memo to Engineering
Group Leader initiating
change request
NO
Notification to
ADSO/RSO of
job, risk
assessment,
and review plan
Proposal
Accepted
Drop
Request
Yes
RSO/RSC Review
Assign Engineer
ECO Initiated
Scope Defined
Formal
Requirements
Produced
Action Item
Management
System
Engineer/Design
Work
Implement Action
Items
Weekly PeerReview ‘as needed,’
including Risk
Assessment
NO
Action Item Closeout Memo Issued
RSWCF
(and WAF if applicable)
Ready for
Formal
Review?
Work is Performed
Yes
Assessment of work
performed during
weekly meetings
Conduct Formal
Review
Yes
Approve
11AUG09
NEH ARR PPS
NO
Evaluation by
Controls
Department
Management
Strengths:
Emphasis on review and
development process
and documentation
Collects development
and review docs for
auditability
PPS Review Status for NEH PPS
Major Review to Date
LCLS SCR: May 31st 2007 [Bong, Stefan, Horton, Hastings]
LCLS PDR: Feb 29th 2008 [Lessard, Tompkins, Schmerge,
Anthony]
LCLS FDR: Oct 22nd 2008 [Anthony, Mueller(LBNL), Lessard]
RSC: Oct 31st 2008
LCLS FDR2: Apr 22nd 2009 [Perry Anthony, Zoe Van Hoover,
Luc Lessard, Paul Miller, Robert Mueller, Mike Woods ]
Safety Systems Section IAT Review: July 2009 [Zoe
Van Hoover, Mike Horton, Mike Stanek, James Murphy, Alan Hill,
Michael Harms]
RSC: Aug 4th 2009
11AUG09
NEH ARR PPS
NEH HPS Readiness
Hutch 1 HPS:
Is fully commissioned, Initial Acceptance Test (IAT)
executed on 06AUG09.
Mechanical sliding door improvements needed (all hutches)
Hutch 2 HPS:
is nearly ready for Software Field Test and IAT
Validation (then IAT execution)
Hutch 3 HPS:
Has some outstanding field hardware installation
Will be ready for Software Field Test, etc., in a couple
of weeks.
Ready for IAT execution by end of this month.
11AUG09
NEH ARR PPS