Programmable controllers replace relays in MFTF-B personnel-safety interlocks
This paper describes a new approach for implementing personnel safety interlocks logic using industrial-type programmable controllers. The logic for all personnel safety interlocks except those totally internal to a subsystem is implemented in two non-redundant controllers. A high degree of fail-safe reliability is achieved by augmenting the protective features intrinsic to each controller with those provided by a small amount of external support hardware. The controllers are interfaced to the host computer system via fiber optic data links to enable display of interlock and overall system status on the control room graphic displays. When fully implemented, the controllers will perform the equivalent of over 2000 discreet relay functions.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 7204767
- Report Number(s):
- UCRL-86066; CONF-811040-45; ON: DE82002054; TRN: 82-001560
- Resource Relation:
- Conference: 9. symposium on engineering problems of fusion research, Chicago, IL, USA, 26 Oct 1981
- Country of Publication:
- United States
- Language:
- English
Similar Records
Personnel Safety System for the beamlines at the Advanced Photon Source
Programmable Electronic Safety Systems