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Advanced Photon Source |
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TABLE OF CONTENTS
- A-1 Architecture of the APS Facility
- A-2 Floor Coordinator Tasks
- A-3 On-Shift Tasks
- A-4 Floor Coordinator Shift Log
- A-5 Functional Description of APS Front Ends
- A-6 Beamline Hardware & Optical Components
- A-7 Personnel Safety System
- A-8 Radiation Hazards & Mitigation
- A-9 PSS Search & Secure
- A-10 Beamline Cabinet Information
- A-11 Configuration Control Work Permit
- A-12 Configuration Control Policy & Procedure
- A-13 Beamline Activity Approval Forms
- A-14 Using EPICS
- A-15 Global Online
- A-16 Turning the Key
- A-17 Standing Orders
- A-18 LOVE Controllers
- A-19 Liquid Nitrogen Distribution System
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Turning the Key page 3 The Personnel Safety System (PSS) monitors the state of variables relevant to personnel safety (i.e. station door status, shutter status, etc.) When PSS detects that a variable is not in the correct state, a fault occurs, and the Front End shutter permit is removed. Floor Coordinators and MCR Operators are allowed to reset particular faults under certain conditions. PSS Minor Fault Some of the most common faults that occur are PSS Chain A minor faults. They include door faults and water flow faults. FC's and MCR operators may reset these faults up to three times per shift prior to notifying a SI on-call engineer. Please take time to review the following procedure: PSS Minor Fault Reset Procedure Note: When resetting minor water faults, based on the PSS "Generation" or version, the beamline may have a latched LOVE controller. Generation 1 has the associated LOVE controllers to reset. Generation 1 with the mini-upgrade and Generation 3 have analog modules, that need no further reset besides the minor fault key toggle. This is further explained in the PSS Minor Fault Reset Procedure and in Lesson Module A-18: LOVE Controllers. PSS Serious Fault Other less common faults that occur are serious faults. A serious fault is caused by shutter or stop position switch misoperation or remote I/O (input/output) communication failures. These faults will remove ALL shutter (Front End and Integral) shutter permits. Under this failure mode, circumstances may exist that could lead to tripping stored beam so caution should be exercised. To reset this fault, the following Standing Order shall be exercised: PSS Serious Fault Reset Note: Floor Coordinators may only reset shutter or stop position switch misoperation serious faults one time prior to calling a SI on-call engineer. MCR operators are not trained to reset serious faults at this time. PSS Major Fault A PSS major fault is one that will dump the entire storage ring. Floor Coordinators are not permitted to reset major faults. If a major fault should occur, Floor Coordinators must make contacts with SI on-call personnel to help with the diagnosis and troubleshooting of the problem. |
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