Multi-unit equipment maintenance system

Details Multi-unit equipment maintenance system Multi-unit equipment maintenance system

1974-12-16

1976-06-15

Shaw, Gareth D.

Communications: electrical

Digital comparator systems

G06F 1100

Patent

active

039640884

ABSTRACT:
An equipment for execution of maintenance operations in a multi-unit processing system one of which is a central unit comprises, in each unit, shift registers each made of a hardware series connection of multi-bit and single-bit register members which are parts of the unit and which, for part of them, copy the conditions of parts of the unit, and a local automaton for actuation and control of said shift registers, and a common maintenance station having command and data exchange facilities with the said local automatons. Each local automaton includes means responsive to local and remote commands for controlling read-out and write-in operations of said shift registers, interrupts of the operation of the unit and test and diagnosis routine executions by the said unit from the data in the said shift registers.

REFERENCES:
patent: 3603936 (1971-09-01), Attwood et al.
patent: 3623011 (1971-04-01), Baynard, Jr. et al.
patent: 3806887 (1974-04-01), Schulte et al.

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