What to Expect in Some PPS Situations
This document is intended to be used as an informal
reference for operators and is a work in progress.
If you notice an error or omission, please email
sonya@slac.stanford.edu.
Secure
|
|
Cases |
What Will Happen |
What You Will Need To Do |
|
|
|
LI04 Stopper in.* VVS 1A, 1B, 2 off. |
Reset secure loop. Pull stopper, turn on VVSs. |
|
2-29 |
|
All VVSs off, Linac PPS stoppers in.+ |
Play Linac tape, pull stoppers, turn on VVSs. |
|
30-MCC |
In BAS-II Mode |
VVS 15 off. |
Play Linac tape. Turn on VVS 15. |
|
In BSY Mode |
Lose Linac VVS permits. |
Turn on VVSs. |
|
|
PEP |
With PEP PPS stoppers in. |
PEP secure loop fault. |
Reset PEP secure loop. |
|
With PEP PPS stoppers out and in BAS-II Mode. |
PEP secure loop fault. PEP PPS stoppers in. 30-MCC secure loop fault. |
Reset PEP secure loop. Pull PEP PPS stoppers. Play Linac tape. Turn VVS 15 on. |
|
|
With PEP PPS stoppers out and in BSY Mode. |
PEP secure loop fault. PEP PPS stoppers in. 30-MCC secure loop fault. Lose Linac VVS permits. |
Reset PEP secure loop. Pull PEP PPS stoppers. Play Linac tape. Turn on VVSs. |
* If LI04 Stopper
is not IN within 3 (or 5) seconds, 2-29 secure loop will fault.
+ If Stopper 500 is not IN within 3 seconds, the guns will trip off.
Loss of Zone Security While Stoppers Out
|
PPS Zone |
What Will Happen in
Addition to Loss of Zone Security |
|
CID and Sector 0 |
CID/Sector 0 PPS stoppers in. |
|
DRIP |
DRIP PPS stoppers in. |
|
NDR |
NDR PPS stoppers in. |
|
SDR |
SDR PPS stoppers in. |
|
Linac |
2-29 secure loop fault. |
|
BSY |
30-MCC secure loop fault. |
|
FFTB |
30-MCC secure loop fault. FFTB PPS stoppers in. |
|
ESA |
30-MCC secure loop fault. ESA PPS stoppers in. |
|
PEP |
PEP secure loop fault. 30-MCC secure loop fault. |
BTM/DM Fault
|
Location |
What Will Happen |
|
CID and DRIP |
|
|
Linac |
2-29 secure loop fault. |
|
Scavenger extraction |
2-29 secure loop fault. |
|
PEP extraction (LI04 and LI10) |
2-29 secure loop fault. |
|
BSY (except for 51DM, 52DM) and FFTB |
30-MCC secure loop fault. |
|
51DM and 52DM in BSY |
Lose BSY search. 30-MCC secure loop fault. |
|
PEP |
PEP secure loop fault. |
BSOIC Trip
|
PPS Zone |
What Will Happen |
|
CID |
Guns HV and K-02 modulator off. Stopper 500 and Laser Safety Stopper in. |
|
Positron Vault |
Positron Vault PPS stoppers in. |
|
PEP |
PEP PPS stoppers in. |
|
FFTB |
BAS-II stoppers in. |
|
ESA |
BAS-II stoppers and ST22 and ST29 in. |