Machine Interlock System = BEAM Interlock + POWERING Interlock Machine Interlocks Machine Interlocks Give Beam Permit for injection Give Power Permit to converters Outline: Outline: Abort Beams in case of failure Abort Powering in case of failure � Proposed architecture & locations � Stop power converter � Carry the request a.s.a.p. � Open energy extraction � Outstanding issues & requirements to the Beam Dump System switch Very Time critical (~10 µ s) and must be fail-safe Time critical (~10 ms) � Participation to Hardware Commissioning and must be fail-safe all safety/time critical signals � Summary via fail-safe hardware links all safety/time critical signals Provoke generation of a Post- via fail-safe hardware links � Mortem Event Record data for Post-Mortem Record data for P-M analysis � � analysis 1 2 1 2 LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks Layout of the Beam Interlock System � 16 B eam I nterlock C ontrollers � 2 fast links BIC BIC Beam 5R 5L Dump � if one loop open ⇒ Beam Dump BIC 5 system BIC 4L 6R � unique signal request per 4 BIC BIC 6 4R 6L system* and per BIC Beam Interlock System Beam Interlock System (* with possible redundancy) BIC BIC 3L 7R 3 7 BIC BIC 3R 7L Beam Permit loops (stable frequency signal of 10 MHz) BIC 2 BIC 2L 8R 8 BIC 2R 1 BIC 8L BIC BIC 1L 1R 3 3 4 4 LHC CP- LHC CP -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks
Location of Beam Interlock Controllers Beam Interlock Controller Control Network Consists in Hardware “Matrix” � time stamping USC UJ � All installed in underground areas Interrupts the Beam Permit loops 55 56 � to next UA UA 5 47 Embedded in VME/LynxOS 63 BIC � ( for monitoring purpose) 4 UA UA 6 � Ethernet connection Monitor 43 67 � Timing connection Time stamping input for P.M. � In � Powered by UPS Beam BLM (at left) UJ UJ 33 BLM (at right) 76 Permit 3 7 Vacuum Matrix UJ UJ 33 Access 76 loops Injection RF Collimators UA UA Out 2 23 83 Beam Excursion 8 Experiments UA 1 In UA 27 Warm Magnets 87 from US US Powering Interlock BIC 15 15 previous Local output BIC 5 6 5 6 LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks Outstanding issues (1/2) Outstanding issues (2/2) Logging � 180 Connections for Dump requests Alarms Specialist Operator � Safety analysis must be performed � Various electronics programs console P.M. Client ⇒ Interlock Client Box proposed Interface ”Boxes” Beam � Interface Client / BIC must be finalized � Solution using 3-tier Architecture Dump Request proposed for equipment access ⇒ Validation after SPS Extraction Tests? Interlock 3-tier Architecture Interface card (JAVA, J2EE + CMW) ) � Interfaces with Logging, Alarms, & P.M. not yet defined Beam Interlock Controller Beam Interlock Controller Control Network Timing Beam Dump Beam Permit Loops Request BIC #1 BIC #2 . . . BIC #16 #16 BIC #1 BIC #2 . . . BIC 7 7 8 8 LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks
Injection Tests Injection Tests LHC � Participation with 3 BICs � 1 “Beam Permit Loop” � If loop open ⇒ Injection veto � Possible clients: Powering Interlock System Powering Interlock System Injection system Powering Interlock 7 BIC Warm Magnets 7L Vacuum Access SPS BIC BLM ? 8R 8 BIC 8L 1 9 10 9 10 LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks Not to scale POWERING Subsectors in 7-8 From Sector to Subsectors… . . 5 6 4 . . 4 7 A.78 M.L8 X.L8 Sector 7-8 IP7 IP8 Matching Inner Arc continuous cryostat Sections Triplet . . 3 8 zone including the LHC-B . . magnets at room 26 43 15 14 2 1 temperature P.L.C. SIEMENS SIEMENS SIEMENS SIEMENS IT Network Matching Inner Warm Arc continuous cryostat Sections Triplet magnets Number of to Beam electrical Interlock circuits managed by the PIC IP7 IP8 11 11 12 12 LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks LHC CP- LHC CP -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks
POWERING Subsectors POWERING Subsectors in 8-1 1 X.R1 X.R1 L.R1 L.R1 A A 12 12 M.L2 M.L2 X.L2 X.L2 2 1 2 2 X.R2 X.R2 M.R2 M.R2 A A 23 23 3 2 3 X.R8 M.R8 A.81 L.L1 X.L1 IP1 3 A 34 M.L4 4 3 A 34 M.L4 4 IP8 Inner Inner Matching Matching Arc continuous cryostat Triplet Section Sections Triplet 4 L.R4 A 45 L.L5 X.L5 5 4 L.R4 A 45 L.L5 X.L5 5 5 X.R5 L.R5 A 56 M.L6 6 5 X.R5 L.R5 A 56 M.L6 6 LHC-b Atlas 13 14 26 43 15 14 # 6 L.R6 A 67 7 electrical 6 L.R6 A 67 7 P.L.C. circuits SIEMENS SIEMENS SIEMENS SIEMENS SIEMENS SIEMENS managed 7 A 78 M.L8 X.L8 8 7 A 78 M.L8 X.L8 8 Control Network to Beam to Beam Interlock 8 X.R8 L.R8 A 81 L.L1 X.L1 1 8 X.R8 L.R8 A 81 L.L1 X.L1 1 Interlock � Functional specification EDMS No361532: ”The Powering Subsectors” 13 14 13 14 LHC CP- LHC CP -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks LHC CP- LHC CP -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks Powering Interlock Controllers Location Interlock signals for one electrical circuit I I I I SIEMENS SIEMENS SIEMENS SIEMENS SIEMENS SIEMENS P P P P 1 1 UJ16 UJ16 RR17 RR17 UA23 UA23 UA23 UA23 UA23 UA23 2 2 redundancy Quench Quench 2 UA27 UA27 UA27 UJ33 3 2 UA27 UA27 UA27 UJ33 3 Quench Quench Power Quench Powering Protection Abort 3 3 UJ33 UJ33 UA43 UA43 UA43 UA43 4 4 Quench Converter Protection Interlock System signal Protection Permit System 4 4 UA47 UA47 UA47 UA47 RR53 RR53 USC55 USC55 5 5 Controller System Failure SIEMENS 5 UJ56 RR57 RR57 UA63 UA63 6 5 UJ56 UA63 UA63 6 Discharge Request Discharge Req. 6 6 UA67 UA67 UA67 UA67 RR73 7 7 7 7 RR77 UA83 UA83 UA83 UA83 UA83 UA83 8 8 to Beam redundancy Interlock 8 8 UA87 UA87 UA87 UA87 UA87 UA87 RR13 RR13 UJ14 UJ14 1 1 Engineering specification EDMS No368927: The Interfaces between Powering Technical Services required: Ethernet & UPS Interlock System, Power Converters and Quench Protection System 15 15 16 16 LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks LHC CP- LHC CP -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks
Outstanding issues & Requirements Powering Interlock Classes � Radiation tolerant Hw solution QPS Cryo ~ 900 different converters to handle Logging � LHC must be finalized for RR LHC Reference LHC Reference Alarms Operator ( 60 Amp. Orbit correctors not considered) Reference Data base Data base console � “A.U.G” Interface P.M. Database PLC CONFIGURATION: � UPS Interface PIC Name Managed through Interlock Classes � Safety analysis � Circuit Name following the LHC Reference Database Hw Interface Type � Interface with Supervision PAR_BD has to be chosen Static configuration PAR_PS � Interfaces with Logging, ? Depending of the class the attached � Alarms, & Post-Mortem not yet process differs after a quench or a failure: defined • Abort (or not) Powering in the concerning Subsector SIEMENS IT Network IT Network (Time Stamping via NTP) • Request (or not) a Beam Dump � Interfaces with Cryo & QPS UPS UPS . . . UPS SIEMENS SIEMENS SIEMENS � “Accurate” Time Stamping via PIC #1 PIC #1 . . . . . . PIC #2 PIC #2 PIC #36 PIC #36 NTP (~1ms) 17 18 17 18 LHC CP LHC CP- -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks LHC CP- LHC CP -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks Schéma de principe des interlocks des "aimants chauds" au point 7 du LHC 3 Converters in SR7: P.Dahlen Surface SR7 SR7 RD34.LR7 AT/MEL Patch Panel RQ4.LR7 RQ5.LR7 NE48 cable Ethernet 12 Converters in UJ76 : Warm Magnets Interlock System Warm Magnets Interlock System RCBWH4.L7B1 - RCBWH5.L7B2 - RCBWV4.L7B2 UJ76 Siemens PLC RCBWV5.L7B1 - RCBWH4.R7B2 - RCBWH5.R7B1 S7-300 + I/O RCBWV4.R7B1 - RCBWV5.R7B2 - RQT4.L7 RQT5.L7 - RQT4.R7 - RQT5.R7 Patch Panel Left side Right side Tunnel NE48 cables 8 Separation dipole - MBW 8 Correction dipole - MCBW 20 Twin aperture quadrupole - MQW A 4 Twin aperture quadrupole - MQW B IP7 19 19 20 20 LHC CP- LHC CP -4 Session 5.3 on Hw 4 Session 5.3 on Hw Com Com g g : : Machine interlocks Machine interlocks
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