BEAM ABORT TRIGGERING AND BEAM DYNAMIC INTERLOCK SYSTEMS OF THE IHEP ACCELERATOR COMPLEX

V.V.Gotsev, V.V.Komarov, I.V.Lobov, A.A.Matyushin, A.V.Popov, Yu.S.Tchernoousko, V.I.Terekhov

Institute for High Energy Physics
Protvino, Russia


The presented systems are aimed on increasing the accelerator radiation safety. They are built as independent hardware distributed systems. The Beam Abort Triggering System reacts immediately when accidents occur creating triggers for kicker magnets to dump the beam. The Beam Dynamic Interlock System prevents the beam transfer to the next stage of the accelerator complex if it is not ready for this operation (i.e., magnetic field is out of range, bad vacuum, etc.). Conventional computer control means are only used for post-mortem diagnosis and selftesting during beam pauses. The paper describes the conception and components of the systems. The focus is made on the UNK Abort System Triggering under development and U-70 to UNK Transfer Line Dynamic Interlock System which has been created and used during the launching of the Beam Transfer Line in 1994.