arXiv subjects

T. Blumer

Publications and source records attributed to T. Blumer.

2 recordsLinked to original sources

arXiv2001

Replacement of Magnet Power Supplies, Control and Field-Bus for the Psi Cyclotron Accelerators

Magnet power supplies in the PSI accelerator complex with their control and field-bus are old. Some components are more then 30 years old. To guarantee further maintenance and to meet the more demanding specifications for operation with the 2mA beam, they have to be replaced. The switched power supplies, developed for SLS, will be used. This implies a major redesign of part of the accelerator control system, which is now based on CAMAC, ROAD-C and other in house developed hardware including the machine protection system. The modified control for the new set-up will be based on VME and alternatively CAMAC, with dedicated processors for the functionality of the machine protection system.

physics.acc-ph↗

arXiv2001

Integration of a New Knobbox in the PSI Control Systems ACS and EPICS

Integration of a new Knob-Box in the PSI Control Systems ACS and Epics. Operation of the PSI cyclotrons has always relied heavily on manual control. Tuning of our high intensity beams for minimum losses is an art still depending on personal skill. An ergonomically good design of the knob box is therefore essential for good operation. The age of the previous design, and the request, to implement the ACS knob box in the SLS control system based on EPICS, was an opportunity for a redesign. The new knob box is an autonomous node in the system. It is based on industrial pc104 hardware with LINUX as the operating system. CDEV and ACS-communication provide the interface to the respective control systems.

physics.acc-ph↗