MICE Hall PPS – User's Guide
Contents
1. MICE HALL BLUE LTS MICE HALL MICE HALL MICE HALL 24V MICE HALL AND BOBS MICE HALL DOORS amp SOUNDERS SOUNDERS 2MINUTE 2MINUTE BLUELIGHTS BOB SIGNS SEARCHED yoTTEsT PERS KEYS BOB S DFF ON TIMER OFF TIMER ON ON ON Lora f LOP 10 NOT fo Se eS eel MICE HALL RFTEST WAVEGUIDE Ez HALL READY PERS KEYS KEY SWITCHES UNUSED HALLOK AE LOP3 m test ox 244 MUON READY MUON READY MUON READY MICE HALL MICE HALL ar HALL HALL MUON ANDMUON ANDMUON ANDMUON MUON BEAM MUON BEAM TARGET READY READY READY KEY OFF KEY ON KEY ON SIGNS ON SIGNS ON UP BEAMSTOP rs SHUT AND MICE HALL MOOWIESTIEES BUBE l I LOP 16 ILLUMINATE LOP 13 PERMIT T T MUON BEAM MUON BEAM i ay ONSIGNS i MUON CE ET READY av HALL READY HALL READY HALL READY 24y HALL READY ORRFTEST ORRAFTEST ORRFTEST MICEHALL MICE HALL OR RF OK AND RF OK ANDAF OK AND RF RF TEST OK KEY OFF KEY ON KEY ON SIGNS ON SIGNS ON LOP 14 ILLUMINATE LOP 11 PERMIT RF ON SIGNS MICE RF w ov 24v HALL READY MICE HALL HALL AND MAGNET MAGNET BOBS AND MICE HALL READY KEY OFF KEVON AUXDOORS CEDOORSOK UNUSED PERMIT S C PERMIT S C MAGNETS ON MAGNETS ON lente eee Q p S C MAGNETS ON ov Ey BACK m Module connected OOO OOCOOSCOOOOOOOOO 5 LEGEND M ROOT 1 22 Figure 4 1 4 MICE Permits Beware also that certain conditions include a logical NOT so that the satisfactory state may actually be one in which the indicated condition is broken rat2. eee eeeeeseeeseeeneecseecsaeceaeceaeesaeesseeeeeeeeeeesaes 11 4 2 3 Cranes Moved to West End of Hall oo eee eeessecsseceseceeceeeeeeeeseeeseeeseeeeaes 11 4 2 4 West End Of Trench issiiieiesirisniiiir ienna E a ai 12 4 2 5 Beamline ACCESS iessiscisecssdsescasslgsicssvcvcesgasccrssssscdecy soa sebaassutwseusspsagdestsvizesssdgals 12 4 2 6 Release BOBS issccisesisccveisianesuussa dees ines EE REE LE 12 4 2 7 Extetnal IDOOLS vinmenninir a ai 13 4 2 8 RF Cage doors and keyswitches 0 ec esessseessecsecsseceseceseeeeeeseeeseeeseeeeneeeaes 16 4 2 9 Personnel Rey 8 tjs ccssccdovciaSisddosscesutesucdavssidepelunssdetlsoeaesalyesiuneiens Geetsid EE 16 4 2 10 PKOO Personnel Master Key cee ceeceeccssseeseeeeeeseeeseeeeecaecaeseaeenseesseeees 16 42i Sign In BOOKS ves ssccseicssezevsateodivees teshugiesaevessasuledsucpsdieial besbuguantebedablesedsusebdas 16 4 3 Search anid SCCure nsnur i a a iia 16 4 3 1 PHINCIPlS iieii noenee e ai E deal RENE 16 4 3 2 DUD ATCAS oen ae E E EE E T 18 4 3 3 MICE Tra os vettsiavs 2s oxcssees scua so ean A i AE A OEO AE o EEA 19 4 4 P rmits for RUMME a 5 2h scx b cesaasiaacsatdcre cst ainesse is oen aaeanoa EEEE aee E EREE ES 21 4 5 What to doth Search drops isi c checcss ecectsonishengasdtedseassecesseasuttdsnatetiensansapdeasdureossstueie 23 4 6 Controlled Entry Procedure 5 scsccssivssensiccaesedi ie aptesssstvebesdcsueesacsesvasscartlasssntesi castes 23 4 6 1 Pre Requisites and Safety
3. The RF Test key provides for the RF Permit to be obtained with authorised people in the Hall i e during a Controlled Entry as long as o RF output is diverted to the dumps rather than the Cooling Channel cavities This key may end up being held by the RF Team Leader when not in use The MOM should issue the minimum set of permit keys required for the task in hand 4 5 What to do if search drops On the mimic screen fig 4 1 3 look to see what has caused the search to be dropped o Controlled Entry doors o External Doors o BOBs Investigate and identify the cause before re searching Hall as above Note that it will again be necessary to re sign the CDM register upon entering the Hall If the search is dropped whilst a Controlled Entry is in progress this should be noted in the logbook see below 4 6 Controlled Entry Procedure The Controlled Entry system allows up to 12 people into the MICE Hall without the need to cancel the search During Controlled Entry a Muon Beam cannot be generated and the RF cavities cannot be energised However the RF system can be operated in Test Mode when the RF power is diverted to the dump s The Superconducting Magnets can remain energised during Controlled Entry but the fields can only be initiated in the No Entry state Each person entering under Controlled Entry conditions must take a Personnel Key from the keypress located between the inner and outer doors of the Controlle
4. left depressed centre and released right Note that the tang can be replaced into the button mechanism either way up but the lock will only operate with it in one orientation If unsure it is easiest to try locking the loose tang on to the door to make sure it is the correct way up before replacing it into the frame fig 4 2 3 Figure 4 2 3 PPS Crash Out removable tang Confirm everything is in place by trying to pull out the tang by hand it should be held firmly by the button mechanism 4 2 7 External Doors Before the Hall can be searched the outside doors must be locked to prevent unauthorised entry Hall Closed signs should also be posted at the doors and taken down after the Hall is re opened MICE PPS User Guide v 1 1 2 October 2013 Page 13 4 2 7 1 Closing the Equipment Door To close the large Equipment Door Potterax Door 1 Check that the small panel up by the water pipes is in place 2 Pull the door closed using both bars so that the doorpost stays vertical 3 Push the large bolt into the floor 4 Now that the lower end of the doorpost is in place check the vertical alignment the contact switches at the top should be just closed not fully in Jolt into place with upper pull bar if needed 5 It should now be possibly to close the small bolts for the top of the door They should be fairly easy do not force them you may need to turn the door edge beam slightly a
5. Warning buzzer sound It is possible to re search the Hall without losing the SC Magnets Permit by sending in the searchers in a Controlled Entry In this case the MOM operates the Start Search key and then immediately locks it away it should never go into the Hall with the SC magnets energised If the sub areas need to be re searched then the SC Magnets must be ramped down first MICE PPS User Guide v 1 1 2 October 2013 Page 27 5 End of Shift At the end of a shift you would normally leave the Hall overnight in the Hall OK or Hall Ready state Hall secured and the No Entry lamps illuminated Release all Permits and return all Permit keys and the Doors And BOBs Reset key to MOM to be locked away Leave Cancel Search key with attached Personnel Door Yale key with ISIS DO for emergency access As equipment is often left in a remotely operable state the MLCR should be locked if left unattended This also prevents unauthorised access 6 Shutdown The PPS is permanently powered and active with the exception of scheduled annual maintenance At the end of a data taking period o Release all Permits and return all Permit keys to MOM to be locked away o Put the Hall into Free Access use Cancel Search key then Yale key to open Controlled Entry doors o Return Start Search key and Doors And BOBs Reset key to MOM to be locked away o Unlock and open sub area and external doors Auxiliary Doo
6. during unsuitable situations and therefore ensure the safety of personnel in the Hall Note that the PPS is not responsible for the security of the Hall nor for the integrity of equipment 1 1 Overview Broadly speaking the PPS can be said to operate at two levels o it monitors the integrity of the Hall boundaries and tracks the movement of people in and out by means of the Personnel Keys and prevents certain operations if people might be exposed fe it monitors the state of the Hall and certain experiment subsystems and will only provide Permits allowing hazardous activities such as running beam into the Hall once the relevant hardware interlocks and administrative Permit Keys pre requisites have been met The PPS has inputs such as search buttons and key switches and outputs such as indicator lamps in many locations around the Hall and even outside The PPS logic is implemented using relay switches located within the sealed PPS Rack in the Rack Room adjacent to the MLCR The inputs outputs and logic state are monitored by interface cards within a pair of VME crates also in that rack and are converted into a graphical representation by a PPS Mimic software application which may be accessed via the computers in the MLCR _ Figure 1 1 RF Cage key and keyswitch in MLCR MICE PPS User Guide v 1 1 2 October 2013 Page 2 The PPS system usually tracks the state of entities either with limit or proximity swit
7. have a trained operator in MLCR continuously while CE in progress e MLCR operator must bring logbook if evacuating building o atleast two people to go in Hall e do NOT go past fire door until 2 person past airlock e carry personnel key at all times do not replace during emergency exit e make sure you know who has the walkie talkie o Ifa second group is to enter subsequently their presence must be made known to the first group The groups must liaise to ensure that the last group to stay in the Hall retains the walkie talkie o If more than one person attempts to enter the CE point airlock the MLCR operator MUST release the button to drop search Personnel Keys Figure 4 6 1 Personnel Keys Keypress inside the Controlled Entry point 4 6 2 Going In The first person to enter should also take the Personnel Keys Master key PK00 from the MLCR for insertion into the Personnel Keys keypress fig 4 6 1 Upon removing PKOO from the MLCR keyswitch the indicator lamps fig 1 4 will change to Controlled Entry The entrant then approaches the Outer Door and signals the MLCR Operator e g by waving at the camera for the Hall Entry monitor The Door Operator releases the Outer Door using the release push button in the MLCR this must remain pressed while the Outer Door is open in order not to cancel the MICE PPS User Guide v 1 1 2 October 2013 Page 24 search A Door Open indicator near to the release pu
8. 2 Mezz Not Searched which is true as it hasn t been During the search process the LH Mezzanine door will be closed and then locked at which point the upper path through LH2 Mezz MICE PPS User Guide v 1 1 2 October 2013 Page 8 Search Door Keyswitch will also become satisfied However completing the search process getting LH2 Mezzanine Searched OK will break the lower path at LH2 Mezz Not Searched but this doesn t matter the whole chain through to LH2 Mezzanine Searched is still satisfied through the upper path Obviously someone entering the LH2 Mezzanine should cause its searched status to be lost and indeed their opening of the door will cause LH2 Mezz Search Door Closed to become false and thus break the whole chain At the bottom left is a short chain leading leading to MICE Hall BOBs which is currently unsatisfied and we can see that this is because there are at least two BOBs triggered one in each half of the Hall To get this condition satisfied it will be necessary to inspect the BOBs and release those that have been pushed and then press the Doors and BOBs Reset button on the Hall Interlocks screen fig 4 1 3 to unlatch them The inputs should then show green unless a triggered BOB has been missed in which case the process must be repeated Again MICE Hall BOBs is itself an input to a further chain of logic Hall Doors and BOBs fig 4 1 3 Push
9. Hall anyone that has entered since the sub areas were searched should be asked to leave via the Controlled Entry doors After this if anyone but the search team is encountered in the Hall then the search must be abandoned the interloper escorted out and the incident reported as a Near Miss Press the two search buttons 1A and 1B at the same time noting o the order of pressing is unimportant o one half of both buttons will light when a single button is pressed both halves will light when both are pressed and this indicates that the buttons may be released after which they will remain lit Repeat for button pairs 2A 2B through to 12A 12B MICE PPS User Guide v 1 1 2 October 2013 Page 19 Team A must make a visual check of the RF Cage through the mesh doors when on points 3 and 5 Historically the Search has taken place without the Cooling Channel magnets present and thus Team B has had to remember to watch any gap across the beamline whilst waiting for points 5 9 This should now be ameliorated by the pre requisite that fencing is in place if needed section 4 2 4 Team B should bring a torch and must check under the raised floors when going between points 9 10 and 11 Sign out of the CDM register Close and lock the Personnel Door the inner door of the Controlled Entry pair and transfer the door key to its keyswitch on the wall If it is present remove the Personnel Keys Master key PK00 from the Per
10. MICE Hall PPS User s Guide J J Nebrensky Brunel University Uxbridge UB8 3PH UK C Macwaters RAL Chilton OX11 0QX UK J Alexander formerly at Daresbury Laboratory UK Ve VO MU CTON sessicas ccsaensss se Misevidesctisn tenner Ee rE E a ea A AEE EE ENE ERE AT nEs 2 1 1 OVET VIEW sis sasciae dreds ca cces seacatel ei EEL REE EE EE Ea E A aaa 2 1 2 PPS States and Indicator Lamps c iciicisiiniiiiiivaiiiiernirisiinriianiiiain 4 1 3 General Safety Information 0 ee eee eeeeseescecscecsseceseceseceseeeseeseeeeseeeeaeeeaeeeaeeeaaeenaees 5 2 Installation Cold Starting oo eee ceseeesecsseceseceseeeseeeseeeseeseneeeaeeeneeeaeeeaaecaaecsaecsaeenaeesseenes 6 Sx Preparation tor SIG isoicc cits jeer seeeassvsbt essevesecvscevdedases a E e N ECE AEA KEA AAEE TETES 6 3 1 Warmi SEAL ecer oieri inenen Ene EAE a EEEE EEEE ERS O EEEE E NEER 6 3 2 unction Testisi ia a i aE a i S 6 4 R nnne MSHUCH ONS ws sfsiyensee ai vecdsncencpelanecetsieiaiaige area RE REE E E AE EE N Enia 7 4 1 PES MIMIC cieto arnan Ee E E E EE 7 4 1 1 Starting the PPS MIMIC ssssescsercercrsssiiniineeis siiis niser 7 4 1 2 Understanding and Using the Mimic seeseseeeeseeeereriesrrrresrrrrrsrreresreerrerresee 7 4 2 Hall perimeter and pre requisites ee eee ceeeseeseecscecnsecnseceaeceaecnseceseeeseeeseeeeeeesaee 11 4 2 1 DISA cocaisciass canta ttceteceia ve eyed has eueasbivsovis ecto EEEE E ERa RESES 11 4 2 2 MICE Hall Shielding Key
11. OT LOP SE RF MEZZANINE UNUSED SEARCHED f f SEARCHED D 1 I om l l l AF MEZZANINE E E See all Be a SEARCH ENABLE av Gees GOSS OSOOOHOOHOHOOOOOO connected 1 22 2a LH2 MEZZ LH2 MEZZ LH2 MEZZ LH2MEZZ LH2MEZZ LH2 MEZZ he LH2 MEZZ SEARCH DOOR SEARCH DOOR START SEARCH SEARCH SEARCH SEARCH BOBS UNUSED CLOSED KEYSWITCH KEYSWITCH STN 1 STN 2 STN 3 D r z z n LH2 MEZZ T LOP 102 LH2 MEZZANINE SEARCHED l NO UNUSED SEARCHED 1 1 ov D I I I I I LH2 MEZZANINE pg ee a en SEARCH ENABLE ov START START 244 TRENCH TRENCH 244 TRENCH TRENCH TRENCH COVER TRENCH TA DOOR DOOR Dn ia SEARCH SEARCH CLOSED AND SEARCH CLOSED KEYSWITCH KEVSW OFF KEY SW ON LOCKED STN 2 FINAL LOP 10 8 ry LOP 109 TRENCH DOOR CLOSED TRENCH AND LOCKED al aoa ae ee ea l SEARCHED ov Ea ae eee ap i eS ee By ov aay HALL BOB S HALL BOB S RF CAGE RF CAGE EAST WEST DOOR 1 DOOR 2 Day CLOSED RF CAGE CLOSED RF CAGE T e AND NOT DOOR1 AND NOT DOOR2 LOP 10 7 CRASHED LOCKED CRASHED LOCKED MICE HALL BOBS T T T T ne LOP 10 10 RF CAGE CLOSED AND LOCKED ov ECs Module 10 O90 0000000000000 0000 E q L connected i 22 p E i LEGEND Ef Root Figure 4 1 2 Other PPS Interlocks Multiple routes through a chain represent a logical OR between the sets of conditions Thus LH2 Mezzanine Search Enable is presently satisfied by the lower path to it through LH
12. as the search getting dropped the PPS will withdraw the permits to prevent the hazard which may cause damage or undue wear and tear to equipment The operator may also withdraw the permit manually by turning the key back again It is the operator s responsibility to have turned off dependent equipment beforehand Permit keys cannot be removed from the keyswitch while a permit is enabled MICE PPS User Guide v 1 1 2 October 2013 Page 21 J m ET L Figure 4 4 2 Permit keyswitches Require Muon Beam Permit to o Have power to the dipoles o For target frame to be lowered Muon Beam Permit requires Hall closed and searched Hall Ready Require superconducting SC Magnet Permit to o Energise Cooling Channel magnets SC Magnet Permit requires Hall closed and searched Hall Ready initially though it can be maintained even if the search is dropped see section 4 6 5 Require RF Permit to o Pulse the RF RF Permit requires Hall closed and searched Hall Ready The Muon Test key provides for the Muon Beam Permit to be obtained without the Hall closed as long as o the beamstop is shut o all BOBs amp crash outs are OK This allows either o power to the dipoles or othe target frame to be lowered Note that at the time of writing MICE does not have permission to run beam into the DSA only whilst there are people in the Hall t using the Muon Beam Permit key MICE PPS User Guide v 1 1 2 October 2013 Page 22
13. be closed up The DSA Searched input mimic must be green fig 4 1 3 you may need to press the yellow Doors amp BOBs Reset button See also Appendix 1 4 2 2 MICE Hall Shielding key The MICE Hall Shielding Key must be enabled inserted into its permit keyswitch and turned and its input mimic green fig 4 1 3 you may need to press the yellow Doors amp BOBs Reset button Note that this key represents the integrity of the MICE Hall s passive protection systems and thus should never be disabled or removed unless major civil engineering work is in progress If the Shielding Key is not already enabled when preparing for a shift you must first find out why it was turned off and confirm that the work has been completed 4 2 3 Cranes Moved to West End of Hall Since it is not permitted for the searchers to climb on to the main Hall cranes to make sure no one is one them the cranes must instead be moved well away from their access platform well before the Search and Secure process begins MICE PPS User Guide v 1 1 2 October 2013 Page 11 4 2 4 West End of Trench There is a ladder at the west end of the trench that gives access underneath the raised floor Check that the mesh gate here has been secured by a chain to prevent entry TO the trench FROM under the floor 4 2 5 Beamline Access The Search Paths section 4 3 1 have been designed based on the premise that the Beamline and Cooling Cha
14. been replaced the rotary switch can be turned to ON o DSA Roof Panels Locked should be green on DSA Interlocks mimic screen fig A2 2 you may need to press the yellow Doors amp BOBs Reset button Menu page ACTIVE on ICKX MICE DSA PPS LOGIC DISPLAY 9 JUL 2012 17 05 16 Naat AE PAIRE DSA ROOF PANELS 1 Eien ane UNUSED LOCKED A DSA BOB s AND DSA OUTER DSA OUTER A ne UNUSED Huse ned BESEL KEY PEET KEY a MICE i MICE DSA be ANo po j AREA DOORS A tors Lore DSA PERS CANCEL DSA BOB s AND MICE DSA a DOOR DSA ata PETAB PERS KEYS CLOSED UNUSED SEARCH START SEARCH MD 51 MD S2 MD 53 D5A MD S4 D pei posal cee ae AREAS C SPASS ee ren I I I I SEARCHED L 1 L I Lor tors Module connected SOOO OOO HOO SOOO SOHO OOO D 1 BACK nae 2 Figure A2 2 DSA Interlocks mimic screen MICE PPS User Guide v 1 1 2 October 2013 Page 32
15. book along with the Door Operator s own initials The entrant should then use the Yale key attached to their Personnel key to open the Personnel inner Door taking the Personnel Key with him her in e g their pocket Once inside close the Personnel Door The entrant does NOT need to sign in using the CDM register Note The Personnel Door s entrance indicator will be green and its magnetic lock will be released only if the Outer Door is closed When the red indicator is illuminated the door is held closed by a magnetic lock The magnetic locks and red green indicators are only active when the Hall has been searched While in the Hall it is OK to enter any of the sub areas simply remove the door key from the relevant keyswitch dropping the local sub area search in the process The sub areas do not need to be re searched during the Controlled Entry they will only need to be re searched should the Hall search need to be repeated e g if it is dropped 4 6 3 Coming Out o The Personnel Door s Yale lock is opened from the inside by a lever Close the door behind you o Return your Personnel Key to its place in the keypress Use the intercom to alert the MLCR operator of your desire to exit o The operator releases the Outer Door maintaining the release push button until the door has been closed o The MLCR operator should record the time of exit in the Controlled Entry logbook o The last person to leave must l
16. bout its axis Refer to fig 4 2 4 Figure 4 2 4 Closing the Equipment Door MICE PPS User Guide v 1 1 2 October 2013 Page 14 Hall Equip Door Closed should be green on the PPS Mimic fig 4 1 3 you may need to press the yellow Doors amp BOBs Reset button 4 2 7 2 Using the Solenoid Keyswitches The outside doors to the Hall the Auxiliary Door and Fire Exit are provided with solenoid activated keyswitches which will not release the door key without permission from the PPS When the MICE Hall is in the Free Access state the indicator on the right hand side of the lower box will illuminate holding down the green push button then allows the key to be turned and removed to open the door Otherwise the button is inactive and the key immobile Figure 4 2 5 PPS Solenoid Keyswitch in No Entry state To lock a door the door is closed and locked using the Fortress lock on the door itself and the key is then inserted and turned in as with an ordinary keyswitch Note that the operator will have to walk back to the MLCR around the outside of the Hall a fair way from the Fire Exit 4 2 7 3 Padlocking the External Doors For certain activities it has been requested that the Hall be secured against unwanted entry even if the search is dropped As this is beyond the scope of the PPS itself padlocks are provided on the key chains at the Auxiliary Door and Fire Exit These can be used to shorten the
17. ches for e g doors or other moving objects or by Fortress keys and associated keyswitches fig 1 1 a key in a keyswitch i e inserted and turned confirms a particular state and it may not be possible to even remove it unless some other condition is satisfied For example in fig 1 1 RF Cage Door 2 is known to be locked else the key could not be in the MLCR keyswitch but RF Cage Door 1 must be assumed to be unlocked as its key may be anywhere Feedback from the PPS is provided directly by indicator lamps such as the Hall signs at entrances fig 1 2 Figure 1 2 MICE Hall signs by the auxiliary door Finally the PPS has Beam Off Buttons or BOBs in case of emergency fig 1 3 A standard BOB will trip off the beam and release all the electromagnetic door locks to allow escape while a crash out button will in addition release the mechanical lock only on that particular door ATC Figure 1 3 PPS Beam Off Button left and door Break out or Crash out button right both are commonly referred to as BOBs MICE PPS User Guide v 1 1 2 October 2013 Page 3 To prepare the MICE Hall for data taking it is first necessary to O prepare the PPS system itself and O secure the Hall perimeter so that the PPS system can track access to the Hall section 4 2 This requires familiarity with the PPS Mimic application section 4 1 Next o the individual sub areas within the Hall are search
18. chrotron No access is possible while ISIS is running When ISIS is off it is possible to request access to the DSA via the ISIS DO When the ISIS Beam is on o The DSA blue lights will be on o Beam On appears on the sign by the DSA entrance fig Al 1 o The Beam On lamp illuminates over the DSA fire exit Fig A1 2 Usually DSA access is granted by dropping the DSA search completely ISIS crew will then need to re search the DSA before either ISIS or MICE can run In principle it is possible to make a Controlled Entry into the DSA but the procedure has never been tested Figure Al 1 DSA Entry Doors MICE PPS User Guide v 1 1 2 October 2013 Page 30 Figure A1 2 DSA Fire Door Appendix 2 DSA Roof BLOC The mesh sections comprising the DSA roof are secured with Fortress locks to prevent ISIS operation without a complete roof over the DSA The corresponding keys are held in a solenoid keyswitch in the DSA fig A2 1 MICE PPS User Guide v 1 1 2 October 2013 Page 31 Figs A2 1 DSA Roof Keyswitch Releasing DSA roof panels o Confirm with ISIS and have them drop DSA search o Turn rotary switch to OFF this will release keys o Take appropriate keys and unlock desired panel it can then be craned away o The keys will remain trapped on roof until panel is replaced Replacing DSA roof panels o Replace and lock panel in position o Insert keys in keyswitch o Once all panels keys have
19. d Entry point The procedure is designed to ensure this but ultimately relies on the integrity of the MICE Operations Team together with the person entering not to abuse the system The importance of the Personnel Key is that it is the entrant s guarantee that ionising radiation cannot be generated while he she is in the Hall 4 6 1 Pre Requisites and Safety First you must agree the scope of the work and personnel with the MOM Prior to the Controlled Entry itself the Door Operator must know who will be going into the Hall and how long the work is expected to take This must be agreed for every group going into the Hall the Door Operator must refuse access to anyone else o Before making Controlled Entry confirm with MOM that it is OK to do so and call BLOC to raise target frame o A laminated checklist of steps needed is provided in the MLCR for reference o The target must be stopped and frame raised o The dipoles D1 and D2 must be ramped to zero current and turned off o The Beamstop must be closed t using the RF Permit key MICE PPS User Guide v 1 1 2 October 2013 Page 23 o The Muon Beam Permit and RF Permit should be switched off this might include extra pre requisites to those above o The Hall environment must be safe check neutron monitor LH Beacon etc o A means of communication between the entrants and the MLCR must be in place e g the walkie talkies provided o Ensure sufficient people on hand o must
20. designed so as to either find or drive out any interlopers As they go the searchers literally search the Hall for anyone that may be working in an unusual or partly concealed location as a guide the search should be as thorough as a game of hide and seek and include inside racks or large boxes Anyone that avoids being found directly by the search team will instead be driven inexorably out through the Controlled Entry door For the MICE Hall the searchers work in pairs In order to keep the searchers in step i e prevent intruders getting from in front of one to behind the other the PPS has paired Search Points fig 4 3 1 at strategic locations Each Search Point has a button within which are embedded two indicator lamps When the button 2B in this case is pressed one half lights up locally fig 4 3 1 left and also one half of the corresponding remote button 2A and conversely when 2A is pressed the other halves light up centre Once both searchers are at their Search Point they press their buttons simultaneously the PPS acknowledges this by keeping the buttons lit after they are released right and the MICE Hall is deemed searched to those points Predictably the search routes go through the Search Points in order 1 2 3 a Search Point will not become active until the one before has been made The two routes are labelled A and B thus one searcher will go through Search Points 1A 2A 3A etc and
21. ed o and then the main part of the Hall is searched and secured section 4 3 The MICE Hall is now sealed and the operators may either activate permits for certain operations section 4 4 or enter the Hall using the Controlled Entry procedure section 4 6 1 2 PPS States and Indicator Lamps Each of the DSA and the Hall can be in one of the following four access states Free access Controlled Entry No Entry Searching O OOO The states of the DSA and the Hall are independent of one another except that the DSA must be in the No Entry state before the Hall can be searched The state of the Hall is indicated by four illuminating signs outside the Controlled Entry point fig 1 4 one and only one of which will be illuminated at all times Free Access means that the Hall is unlocked so that anyone may enter or leave and no PPS controlled hazards are present In the Controlled Access state the external doors are locked and the PPS will count people in as they enter via the Controlled Entry gate and count them out again as they leave see section 4 6 Limited hazards might exist in the Hall When the PPS is in the No Entry state all entrances are sealed and the MICE Hall is known to be clear of people Any combination of hazards may be present The Searching state is an intermediate step during the search of the Hall Although no PPS controlled hazards are present the external doors are locked and a
22. eee esceeseesceeseecssecsaeceaeceaeceseceseeseesseeeeeeeeaeeeaes 23 4 6 2 GO Si ba eg eatin sac da e a E sagsiageen fetes a i 24 4 6 3 COMING QUE se 2h iescvietigeneted sscdastissieses E EE EAEE EE AE EETA 26 4 6 4 Returning to normal operation after Controlled Entry cee eeeeeeeeeeee 27 4 6 5 CE and SG Permit cisseisscncsviiss tts stesnasteevsdsseaevavenedoveubsatourvaascaveliaepecevnnccsbes 27 5 Endof Shift sip c cis nin diianlaiactiies i aE E E E dele 28 6 Shutdown a a ren Maier anenS 28 7 Emergency Shutdown o00 cece cescesccsseceseesseeeeseeeaeeeseeeaeecsaecnaecsaecaecsaeceseeeeesseesseeseneeeaee 28 5 Troubleshooting sesno eee en poe EE Eare EAA aE TETA A EEE aa e Tn 29 9 Documented Proced reS issniensetesei sesiet ses deae eranan ea EEEE EEE ESS 29 Appendix L DSA ACCESS x nnee aai a a a i 30 Appendix 2 DSA Roof BLOG vic nierien seeiis ora iae aa aii aneii 31 Releasing DSA TOOL panel vigacscstes ce ciessaheiegesipecuteedecubseovecuvettsdsldesiayensposbienlsbbeeuss saetsavbtvases 32 Replacing DSA roof panels 0 0 cece eeeceeeceseeeeeeeeeeeeseeeseeeaaecaaecaaecaaecaecaecsseeseesseesseeseneesaes 32 MICE PPS User Guide v 1 1 2 October 2013 Page 1 1 Introduction This document describes the use of the MICE Hall Personnel Protection System PPS The PPS uses hardware logic and interlocks to track the state of ISIS the MICE Hall and some experiment subsystems so as to prevent or limit certain activities
23. effective length of the chain by looping it back on itself and securing with the lock the key will not then reach the door even if it can be released from the keyswitch This secures the Hall without affecting PPS operation or emergency egress Note that padlock positions and chain lengths will likely need adjusting since the solenoid keyswitches have been installed MICE PPS User Guide v 1 1 2 October 2013 Page 15 4 2 8 RF Cage doors and keyswitches The RF Cage is covered here as it is not Searched in the manner described below Instead o Both doors are closed and locked and door keys removed o The keys are operated in their respective keyswitches located in the MLCR figs 1 1 and 4 4 1 The person s performing these actions must ensure that no one remains in the Cage 4 2 9 Personnel Keys Make sure that none of the Personnel Keys is missing from the Personnel Key keypress by the Controlled Entry doors 4 2 10 PKOO Personnel Master Key The Personnel Keys Master key PK00 should be inserted and turned in the Personnel Key keypress by the Controlled Entry doors 4 2 11 Signing In Books Finally check that all workers have left the Hall and signed out If so confirm to the MOM that it is OK to proceed with the Search and Secure section 4 3 4 3 Search and Secure 4 3 1 Principles The basis of the Search procedure is that the searchers go round the Hall following pre determined paths that have been
24. her than satisfied All PPS inputs actually have a pair of sensors based on different technologies in case one sensor fails in a false positive state Hence in fig 4 1 2 it can be seen that the PPS is unconvinced as to whether the Trench door has been closed half of Trench Door Closed is green and half red Either the door is very slightly ajar and needs to be pushed fully closed or one of the sensors is faulty and needs repair before the Hall can be used for data taking Sometimes communication between the PPS and the mimic fails in this event the affected items have diagonal marks across them on the display fig 4 1 5 This is often caused by a create read out failure section 3 2 MICE PPS User Guide v 1 1 2 October 2013 Page 10 MICE HALL MICE HALL PERS DOOR PERS DOOR HALL RESET HALL RESET A CLOSED KEYSWITCH KEY OFF KEY Of HALL DODAS AND BOBS HALL DOORS RESET ENABLE AND BOBS Ts CAGE MICE HALL HALL OUTER DOOR Tx CAGE MICE DSA FERS DOOR DOOR CLOSED AND DOOR DSA PERS KEYS CLOSED UNUSED CLOSED UNUSED WNOTCRASHED LOCKED SEARCHED DSA Figure 4 1 5 Communication Issue 4 2 Hall perimeter and pre requisites Before the PPS can become active it must be prepared for use the various doors to the Hall locked and certain other checks made 4 2 1 DSA The DSA PPS is formally under the control of ISIS If the DSA has not already been searched and secured the MOM should request the ISIS DO that it
25. ing a Hall BOB breaks one of the East West inputs which breaks MICE Hall BOBs which then invalidates Hall Doors and BOBs which in turn drops Hall Ready on fig 4 1 4 thus the alert propagates through the logic almost instantaneously to result in the Beam Permit being dropped as desired a Menu page ACTIVE on ICKX Talk MICE HALL PPS LOGIC DISPLAY 9 JUL 2012 17 08 25 24v Ea MICEHALL HALLFIRE HALL FIRE L HALL HALL RFMEZZ TRENCH DSA LH2 MEZZ MICEHALL SHIELDING DOOR DOOR EQUIP DOOR AUXDOOR AUX DOOR BOBS BOBS BOBS BOBS BOBS KEY CLOSED KEYSWITCH CLOSED UNUSED CLOSED KEYSWITCH UNUSED UNUSED MICE HALL MICE HALL HALL BOBS D PA LOP 11 PERS DOOR PERS DOOR HALL RESET HALL RESET AND AUX A CLOSED KEYSWITCH KEVOFF KEY ON ACL gt D 7 7 HALL DOORS AND BOBS Loa l LOP4 Maroa RESET ENABLE TE ERE AND BOBS TX CAGE MICE HALL HALL OUTER DOOR TX CAGE MICE DSA RF CAGE HALLMUON CANCEL PERS DOOR DOOR CLOSEDAND DOOR DSA PERSKEYS RFMEZZ LH2MEZZ TRENCH CLOSEDAND HALLBOB HALLRF BEAMSIGNS HALL CLOSED UNUSED CLOSED UNUSED NOTCRASHED LOCKED SEARCHED DSA SEARCHED SEARCHED SEARCHED LOCKED SIGNS OFF SIGNS OFF OFF SEARCH D D o DO MICE PERS HALL QUTER HALL OUTER NOTHALL CANCEL DOOR DOOR DOOR PERSONNEL HALL HALL BYPASS CLOSED RELEASE KEYS SEARCHED SEARCH NOT HALL PERSONNEL HALL NOT KEYS SEARCHED LOPS HALL SEARCH enas
26. l desktop of the middle screen To start the PPS mimic select the PPS Mimic Screens option from the Controls Menu There will be a pause before the mimic root menu appears from there select Other Systems and Equipment then MICE Interlocks fig 4 1 1 From this MICE specific menu select in order MICE Permits Hall PPS Ilks and Other PPS Ilks arranging the resulting windows from right to left across the screen as they appear 5 Figs ROOT MENU ACTIVE on ICKX olx B Menu page ACTIVE on ICKX _ 5 x ISIS Controls Menu ROOT page ISIS Other Systems amp Equip menu 0 NOT USER RUN i Menu page ACTIVE on ICKX 0 x ISIS Personnel Interlocks Logic menu Beamline DecaySol PID Tracker ce Syaani E epics mic 1Googie m g ROOT men g Menu page g Menu page a Remote cu eG G mon jut 9 17 00 Figure 4 1 1 Starting the PPS Mimic 4 1 2 Understanding and Using the Mimic The status of the various inputs and conditions within the PPS system is represented as dots that change from red to green as they go into a satisfactory state with a particular outcome achieved once all the steps along the chain leading into it are satisfied A few of these outcomes are desired ends in themselves such as getting a permit but most are actually inputs to other logic chains Get
27. l light when a single button is pressed both halves will light when both are pressed and this indicates that the buttons may be released after which they will remain lit Repeat for buttons 2A and 2B Close and lock the door and transfer the door key to the SCP and turn it in the keyswitch there Press the Search Completion button on the SCP This should then illuminate and the Search In Progress indicator go out To cancel the search remove the door key from the SCP 4 3 2 3 RF Mezzanine This is essentially the same as the LH2 Mezzanine search except that the Fire Door at the bottom of the west end steps must be closed and its key in the keyswitch before the search can be initiated 4 3 3 MICE Hall Ensure that the green Search Enable indicator is lit on the Search Control Panel SCP If not investigate the cause using the PPS mimic diagram on the computer Using the Start Search key operate the Start Search keyswitch on the SCP The Search In Progress lamp should light on the SCP as well as the Searching sign on the main indicators fig 1 4 At this point the PPS will also illuminate the No Entry signs and secure the keys in the solenoid keyswitches at the outside doors The search team then enters the Hall still signing the CDM register Before starting the search itself they must first check all signing in books to confirm that everyone else has now signed out of the
28. le START HALL ee SEARCH SEARCH SEARCH SEARCH SEARCH SEARCH SEARCH SEARCH SEARCH SEARCH SEARCH SEARCH SEANG STATION STATION STATION STATION STATION STATION STATION STATION STATION STATION STATION STATION SEARCH STATION B KEYSWTCH SIGNSON MHsa MHS 2 MHS 3 MHS 4 MHS 5 MHS MHS 7 MHS 8 MHS 9 MHS 10 MHS 11 MHS 12 MHS 13 _ _ e 0 _0 _0 _ _ 0 _ 0 _ _ _ _e _ LOPS HALL SEARCHED BACK Module connected OO OSS SSSOHSHHHSHHSS EI Laen E Figure 4 1 3 Hall PPS Interlocks It mostly doesn t matter in which order the conditions along are actually satisfied along a given chain so long as at some point they all are MICE PPS User Guide v 1 1 2 October 2013 Page 9 simultaneously for example either of the RF Cage doors fig 4 1 2 may be properly closed first but following the logic in order will usually make it easier to understand Note that inputs such as the states of the doors and BOBs are latching which means that once the condition is broken they will stay red even if the underlying error is corrected this is allows operators to see what caused the PPS to trip Once the problem has been identified it is necessary to press the yellow Doors and BOBs Reset button fig 4 1 3 to release the latch and show the actual state Menu page ACTIVE on ICKX MICE PERMIT LOGIC DISPLAY 9 JUL 2012 17 06 35
29. mes if issued with one o Door Operator must bring logbook with them if evacuating building MICE PPS User Guide v 1 1 2 October 2013 Page 5 2 Installation Cold Starting The PPS is permanently powered and active with the exception of scheduled annual maintenance If the crates or UPS inside the PPS Rack indicate a failure seek advice from the PPS Expert Craig Macwaters 3 Preparation for shift 3 1 Warm Start The PPS is permanently powered and active with the exception of scheduled annual maintenance If the crates or UPS inside the PPS Rack indicate a failure seek advice from the PPS Expert Craig Macwaters In advance of any running period o Confirm that it is possible to access the PPS Mimic screens from the machines in the MLCR see section 4 1 o Ensure that the removable tangs from the Crash Out Button lock assemblies are in place in particular the one from the Auxiliary Door is usually removed and placed on the adjacent PPS lamps 3 2 Function Test o Confirm that the PPS crates are being read out the connected LED will illuminate on each card in sequence o Confirm that the data is reaching the PPS Mimic no error symbols and can see change of state for convenient keyswitch MICE PPS User Guide v 1 1 2 October 2013 Page 6 4 Running Instructions 4 1 PPS Mimic 4 1 1 Starting the PPS Mimic The PPS mimic may be accessed from any of the CAM PCs we usually use the PPS virtua
30. nnel form an impassable barrier along the Hall floor from the moving Beamstop down to the Beam Dump If any of the magnets are missing or parked then a space sufficient for a person to pass may be open Fencing must be erected to block all such gaps 4 2 6 Release BOBs Confirm that none of the BOBs has been left activated fig 4 1 3 top left you may need to press the yellow Doors amp BOBs Reset button and release them if necessary Those in the main part of the Hall are grouped into East and West fig 4 1 2 4 2 6 1 Beam Off Buttons Beam Off buttons are released by pushing gently and twisting the handle clockwise it will spring back but sit further from the casing fig 4 2 1 Figure 4 2 1 PPS Beam Off Button left depressed centre and released right 4 2 6 2 Crash out buttons Crash out buttons allow emergency egress from the Hall by rapidly unlocking the door but they also act as BOBs fig 4 2 2 When a Crash out is used the tang that engages with the lock on the door itself is ejected from the button mechanism on the doorframe frame fig 4 2 3 Crash outs are reset by using a thin object to slide the inset tab MICE PPS User Guide v 1 1 2 October 2013 Page 12 away from the button while pushing in the button and simultaneously re inserting the tang Again the button will sit out further from the casing Figure 4 2 2 PPS Crash out button mechanism with reset tab indicated
31. nyone at the Controlled Entry doors should regard the Searching sign as meaning No Entry MICE PPS User Guide v 1 1 2 October 2013 Page 4 Figure 1 4 PPS Indicator Signs at Controlled Entry Doors The bottom four indicate the access state 7 3 General Safety Information The function of the MICE Hall PPS boils down to enforcing a separation between personnel and those hazards that are controlled by the PPS radiation e g the muon beam magnetic fields the Cooling Channel magnets and RF Bear in mind that the Hall has plenty of other hazards not under the purview of the PPS Standard safety principles such as wearing correct PPE and knowing where the emergency muster point is continue to apply as normal The separation depends on the correct operation of the PPS hardware and on the human search of the Hall both of which are fallible Thus at all times when the PPS believes the Hall to be empty and thus that a hazard may be initiated the normal white lighting will be replaced by blue lighting Also when the Hall is first put into such a state the PPS will first activate the sounders for two minutes Thus if the blue lights come on and or the sounders go off while you are in the Hall leave immediately by the nearest exit pressing the first BOB you encounter en route Note also the safety issues associated with the Controlled Entry procedure section 4 6 1 in particular o keep your Personnel Key on you at all ti
32. ock the Personnel Door s Fortress lock and return its key to the keyswitch and remove PKOO from the Personnel Keys keyswitch and bring it back to the MLCR O i e the entrant is always signed into the Hall but only ever by one register at a time MICE PPS User Guide v 1 1 2 October 2013 Page 26 4 6 4 Returning to normal operation after Controlled Entry The Fortress lock on the Personnel Door must be locked and its key returned to the nearby keyswitch The Personnel Keys Master key PKOO should be returned to its keyswitch in the MLCR Note that the Master key cannot be removed until all Personnel Keys are in place Close out the logbook entry and check that all tools walkie talkies etc have been brought out of the Hall Press the yellow Doors amp BOBs Reset button on the mimic then operate the Doors and BOBs Reset keyswitch on the Hall SCP This will trigger the two minute sounders so it is polite to warn ISIS first 4 6 5 CE and SC Permit If the Superconducting Magnets Permit is on when the Hall search is cancelled in a manner whereby the Controlled Entry state can be maintained then it and the SC Magnets Permit are maintained Despite the Controlled Entry access state being maintained the Hall is nevertheless unsearched and therefore the Muon Beam and RF Permits will be cancelled It is intended that under these conditions the SC Magnets Search loss Beacon would flash and the SC Magnets
33. r o Open doors to RF cage 7 Emergency Shutdown The PPS is permanently powered and active with the exception of scheduled annual maintenance If the crates or UPS inside the PPS Rack indicate a failure seek advice from the PPS Expert Craig Macwaters or ISIS crew MICE PPS User Guide v 1 1 2 October 2013 Page 28 8 Troubleshooting Press the Doors and Bobs Reset on the mimic then turn the Reset key Then seek advice from the PPS Expert Craig Macwaters or BLOC To start the PPS Mimic from the command line on any MLCR PC ssh into miceecserv and run the mimic there using the pre existing SSH keys ssh miceecserv ssh XY mice ickx isis rl ac uk con_com isis If stripy lines appear across items on the Mimic fig 4 1 5 indicating a communications issue check crate read out section 3 2 and contact the PPS expert If very strange things happen after the main Hall search is completed when attempting to change state from Hall OK to Hall Ready sounders continue for more than two minutes indicator lamps flicker relays continuously active in PPS Rack then the PPS expert or BLOC should check that the Test Select Switch is set to Blue White lights NOT BOBs and seek advice from the PPS expert 9 Documented Procedures The PPS must undergo an annual Functional Test MICE PPS User Guide v 1 1 2 October 2013 Page 29 Appendix 1 DSA Access The DSA is formally part of the ISIS syn
34. sh button illuminates while the door is open fig 4 6 2 The operator must ensure that only one person enters while the door is released If a second person tail gates the operator must release the push button immediately to cancel the search Door Entry Monitor ile AS Aidian annann SC Mag search loss beacon it Door Release Door Open push button Indicator l SC Magnets Warning i m Figure 4 6 2 Controlled Entry controls MICE PPS User Guide v 1 1 2 October 2013 Page 25 When the Outer Door is released the indicator above it changes from red to green The entrant should close the door behind him her Once the door is closed the Door Open indicator will go out and the Door Operator may release the push button The first person should insert and turn PKOO in the Personnel Keys keyswitch where its operation will mechanically release the 12 Personnel Keys and also remove the Personnel Door key from its keyswitch and use it to unlock the Personnel Door s Fortress lock The Fortress lock should then remain unlocked until all entrants have left the Hall The entrant should take a Personnel Key and then contact the MLCR operator on the intercom press button and wait for response like a door bell The Door Operator should record the entrant s name Personnel Key number the time and date of entry and whether they are bringing in any tools or other ferrous objects in the Controlled Entry log
35. sonnel Keys keypress for return to the MLCR Close the Outer Door Press the Search Completion button on the SCP This should then illuminate the Search In Progress indicator and Searching sign should go out and the Controlled Entry sign should illuminate In the MLCR turn the key PKOO to the ON position the Controlled Entry sign will change to No Entry The PPS is now in the Hall OK state fig 4 1 4 Return the Start Search key to MOM Finally on the mimic screen for MICE Hall PPS logic press the separate yellow button at the bottom called Doors amp BOBs Reset Then on the SCP by the Hall Personnel door operate the Doors and BOBs Reset keyswitch This will switch on the blue lights and start the two minute sounders so it is good manners to warn the ISIS MCR beforehand To cancel the search operate the Cancel Search keyswitch in the SCP using the Start Search key Note that if it is enabled the SC Magnets Permit will be maintained and the Controlled Entry mechanism will continue to be enforced see 4 6 5 MICE PPS User Guide v 1 1 2 October 2013 Page 20 4 4 Permits for Running The PPS permits are enabled by the action of turning the corresponding key in its keyswitch fig 4 4 1 in the PPS permit keypress in the MLCR fig 4 4 2 PPS Permit Keypress Figure 4 4 1 PPS Controls workstation If the pre requisites for a permit are lost such
36. te button 2A pressed centre search point made right MICE PPS User Guide v 1 1 2 October 2013 Page 17 Figure 4 3 2 Search Control Panel SCP for LH2 Mezzanine 4 3 2 Sub areas The sub areas may be searched any amount of time before the main Hall search 4 3 2 1 Trench Team B should bring a torch and check under the raised floor of the Hall at the West end The Start Search keyswitch at the East end of the trench should be operated turn briefly and then remove key at the same time as search button 1B noting o the order of operation is unimportant o two lamps are provided at each search point to indicate when each is operated Close and lock the Trench door and transfer the door key to the keyswitch located on the fencing Press the Final Search button located on the fencing This should illuminate To cancel the search remove the door key from the keyswitch MICE PPS User Guide v 1 1 2 October 2013 Page 18 4 3 2 2 LH2 Mezzanine Ensure that the green Search Enable indicator is lit on the Search Control Panel SCP If not investigate the cause using the PPS mimic diagram on the computer Using the Start Search key operate the Start Search keyswitch on the SCP The Search In Progress indicator should light Press the two search buttons 1A and 1B at the same time this requires two people noting o the order of pressing is unimportant o one half of both buttons wil
37. the other 1B 2B 3B and so on MICE PPS User Guide v 1 1 2 October 2013 Page 16 There must be NO DEVIATION from the search path as this could allow someone to slip past and searchers must not swap between routes A and B The search procedure for each area is initiated from its Search Control Panel SCP see fig 4 3 2 The Search Enable lamp will illuminate automatically to indicate that the area may be searched once all the pre requisites for searching that area have been fulfilled e g the Doors and BOBs of each sub area are OK and all the sub areas of the Hall itself searched The process commences when the Start Search key is turned momentarily in the Start Search keyswitch this changes the area s access state to Searching and illuminates the Search In Progress lamp on the SCP and the search team then enter the area and carry out the search itself Note that the Start Search key also acts as the Cancel Search key and should only be made available by the MOM to approved searchers and returned to the MOM for safekeeping as soon as possible If the searchers find someone find a problem or are at a Search Point for a full minute without the other end lighting then they must abandon the search and restart later Use the Cancel Search key to drop the Searching status for the Hall or push and release a BOB for a sub area Figure 4 3 1 Search Point Sequence this button 2B pressed left remo
38. ting the PPS permit to run MICE thus boils down to ensuring that all the conditions in each chain are satisfied working broadly left to right across each MICE PPS User Guide v 1 1 2 October 2013 Page 7 window and if opened as described above from the left window to that on the right For example the top window last to be opened is Other PPS Ilks fig 4 1 2 The top part of the screen shows two logic chains for searching the mezzanines Neither has yet been searched RF Mezzanine Searched and LH2 Mezzanine Searched are both red The mezzanines cannot be searched if a BOB has been pushed but fortunately this is OK green for both mezzanines and thus we are allowed to start the search procedure for the LH2 Mezzanine LH2 Mezzanine Search Enable is green The RF Mezzanine has a door at each end and thus cannot be searched until the lower door is closed and locked since someone might sneak in This is shown on the mimic as a break in the chain the RF Mezz Fire Door Closed and RF Mezz Fire Door Keyswitch inputs are false red and thus RF Mezzanine Search Enable is unsatisfied Za Menu page ACTIVE on ICKX TER av RF MEZZ RF MEZZ RF MEZZ RF MEZZ RF MEZZ RFMEZZ RF MEZZ RF MEZZ RFMEZZ FIRE DOOR FIREDOOR SEARCHDOOR SEARCH DOOR START SEARCH SEARCH SEARCH SEARCH BOBS UNUSED CLOSED KEYSWITCH CLOSED KEYSWITCH KEYSWITCH STN 1 STN 2 STN 3 RF MEZZ N
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