SPring-8 beamline control system

Beamline control system is designed to achieve the controls by beamline experimental users. The system is designed adopting the so-called Standard Model concept which has advantage for extension of the system and for easy maintenance. The VMEbus is used as the front-end control system and UNIX workstations are used as the operator consoles. These computer system are connected to the FDDI backbone network as a distributed system. The control software is designed based on the event-driven client/server scheme. The remote procedure call (RPC) is used for communication between application software over the network. As a result, beamline users can control many beamline components such as insertion devices simply. (author)