1. Personnel Safety Systems
Bryce Karnaghan

2. Background My history Beamline PSS 25 Years in control systems
Most experience on water, power and rail
Leaning about synchrotrons
Beamline PSS
Via booster and storage ring PSS

3. Requirements of a PSS Protect personnel Other requirements
Safety Integrity Level 3
No single point of failure
Fail-safe
Other requirements
Separate system from controls and instrumentation system (EPICS)
Be able to transfer data to EPICS
Control personnel access when radiation hazards exist
Allow mtce access when radiation hazards removed

4. Meeting the requirements
Equipment
Uses safety rated PLC/relay system from Pilz

5. Meeting the requirements (cont)
Equipment (cont)
An intercom and video surveillance system at access points
Controlled access gates
Captive permit key
Blue lights in vaults when no access is not allowed
Illuminated signs, at appropriate locations within the facility
Emergency Stop buttons throughout the vaults
Ability to crash out of an access gate
Safety switches on doors as interlocks

6. Meeting the requirements (cont)
Three operation modes
Open Access Mode:
Allows unlimited and open entry to authorised personnel.
Both the radiation and electrical hazards are interlocked to be off.

7. Meeting the requirements (cont)
Three operation modes (cont)
Authorised Access Mode:
Allows limited and controlled entry to authorised personnel through controlled doors only.
The radiation hazards are interlocked to be off.
Electrical hazards may be on to allow specialised testing.
This access mode allows for the search / secure procedure of each zone and for limited / controlled procedural access.
In both cases access is allowed only to authorised personnel following a strict protocol.

8. Meeting the requirements (cont)
Three operation modes (cont)
No Access Mode:
Allows operation of the beam in the Linac Booster Area (zones 1, 2 and 3) and/or into the Storage Ring (zones 4, 5 and 6).
Radiation and electrical hazards exist and no personnel are allowed in the zone.
Must complete search before entering this mode

9. Implementation External contract
Installed by Sage Automation in partnership with Pilz and Nielsen.
Meeting all requirements

10. Implementation (cont)
Equipment
Pilz safety rated PLC/relay system

11. Implementation (cont)
Equipment (cont)
Triple redundant CPUs
Safety bus
Inputs and outputs are dual channel
Certified software

12. Implementation (cont)
Equipment (cont)
Control desk located in the control room
Video feed from labyrinth doors
Intercoms to labyrinth doors
Master Reset
PMI (HMI) located in control desk

13. Implementation (cont)
Equipment (cont)

14. Implementation (cont)
PMI

15. Implementation (cont)
PMI (cont)

16. Progress Linac, Booster, Storage Ring
Type testing of major systems (FAT)
Final functional requirements definition
Physical installation commence May

17. Beamline PSS
Storage ring PSS provides a failsafe contact indicating shutters can be opened
Beamline PSS's will be standalone systems
Will provide personnel safety in the Beamline hutch
Will utilise the search method for securing
Will be responsible for opening the shutters
Use Pilz safety rated equipment
Will be coded in house