Programmable automatic controller

Details Programmable automatic controller Programmable automatic controller

1982-07-09

1984-07-31

Ruggiero, Joseph F.

Boots, shoes, and leggings

65163, 364473, 364900, G06F 1546, C03B 940

Patent

active

044634161

ABSTRACT:
A programmable automatic controller for operating a section of a glassware forming machine having a plurality of components which operate in a timed or sequential relationship with one another. The controller includes a timing means for generating cycle clock pulses in synchronism with the operation of the machine, wherein the cycle clock pulses provide an instantaneous indication of the time elapsed in each cycle of operation of the machine. A random access memory (RAM) stores the relative times during each cycle of machine operation when each of the plurality of machine components are to be enabled and/or inhibited. When the time elapsed in a cycle corresponds to a component actuating time stored in the running storage, an actuating signal is generated by a comparator. This signal is coupled to a machine component addressing arrangement which provides a component enable or inhibit command signal to the addressed component whose actuating time compared to the cycle time elapsed. Accordingly, in a cycle of operation a plurality of component operating command signals are generated which command the respective machine components to initiate and terminate operation at preselected time intervals.
Means are provided for selectively varying the component actuating times stored in the RAM while the machine is stopped or in operation.
The controller is designed to operate directly next to the section it controls since its design employs a minimal number of components all able to function with a minimal amount of cooling.

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Kwiatkowski et al-"Electronic Timing of Automatic Glass-Blowing Machines"-IEEE Trans. on Industry Applications, Mar./Apr. 1976, pp. 165-171.

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