LCLS Personnel Protection System Patrick Bong SLAC Personnel

LCLS Personnel Protection System Patrick Bong SLAC Personnel Protection Systems Group May 11, 2005 Lehman Review – Controls Breakout 1 Patrick Bong pbong@slac. stanford. edu

The LCLS PPS is segmented into four sections LCLS Injector Undulator Near Hall Far Hall Each PPS section is being designed using PLC technology. May 11, 2005 Lehman Review – Controls Breakout 2 Patrick Bong pbong@slac. stanford. edu

In addition the LCLS beam passes through two other areas Linac BSY Only the Linac is slated for redesign. May 11, 2005 Lehman Review – Controls Breakout 3 Patrick Bong pbong@slac. stanford. edu

Existing Linac Segmentation May 11, 2005 Lehman Review – Controls Breakout 4 Patrick Bong pbong@slac. stanford. edu

Future Linac Segmentation May 11, 2005 Lehman Review – Controls Breakout 5 Patrick Bong pbong@slac. stanford. edu

Far Future Plan May 11, 2005 Lehman Review – Controls Breakout 6 Patrick Bong pbong@slac. stanford. edu

Architecture The PPS is divided into to two subsystems Safety critical status and control Everything else May 11, 2005 Lehman Review – Controls Breakout 7 Patrick Bong pbong@slac. stanford. edu

Safety critical status and control All PPS hardware that is interlocked to the machine for the safety of personnel is wired to redundant safety PLCs. Inputs are devices such as Keybanks, Door Interlock switches, Emergency Entry Devices and Emergency Off buttons. Outputs are devices such as the gun, back beam stoppers and electrical hazards. May 11, 2005 Lehman Review – Controls Breakout 8 Patrick Bong pbong@slac. stanford. edu

Everything else Devices that are used to control the PPS or provide status to personnel in a PPS area but are not either redundant or interlocked for safety are wired to a general use PLC. Inputs include status and control from the controls network, door release switch, door magnetic locked status. Outputs include, magnetic lock control, keybank release, access state indication, audio and visual warning control. May 11, 2005 Lehman Review – Controls Breakout 9 Patrick Bong pbong@slac. stanford. edu

PPS Architecture May 11, 2005 Lehman Review – Controls Breakout 10 Patrick Bong pbong@slac. stanford. edu

Personnel Patrick Bong Project Management/Programmer Jeff Brown Cable Plant Design/Installation Coordinator Joel Fitch Safety Critical PLC Programmer May 11, 2005 Lehman Review – Controls Breakout 11 Patrick Bong pbong@slac. stanford. edu

2005 Schedule June Presentation of PPS proposal to RSC Completion of LCLS Injector Laser Safety System design July Review of Laser Safety System by oversight committee September Purchase long lead Laser Safety System items December Completion of LCLS Injector PSS Design May 11, 2005 Lehman Review – Controls Breakout 12 Patrick Bong pbong@slac. stanford. edu

2006 Schedule January Review of PPS by oversight committee February Installation of Laser Safety System Purchase long lead PPS items March Certification of Laser Safety System June Installation of injector PPS September Certification of injector PPS May 11, 2005 Lehman Review – Controls Breakout 13 Patrick Bong pbong@slac. stanford. edu