Computer control for glassware forming machine

Details Computer control for glassware forming machine Computer control for glassware forming machine

G - Physics

05

B

342/21

G05B 19/02 (2006.01) C03B 9/41 (2006.01) G05B 19/042 (2006.01) G05B 19/10 (2006.01)

Patent

CA 1089057

COMPUTER CONTROL FOR GLASSWARE FORMING MACHINE ABSTRACT OF DISCLOSURE An I. S. glassware forming machine is controlled by a minicomputer in which a stored sequence of events is accessibly stored in memory such that the identity and condition of a plurality of solenoid valves is programmed to occur at pre- determined times in each cycle of the machine. The feeder provides a once per feeder cycle input to the minicomputer and a function generator produces trigger pulses each millisecond so that a factor Q can be calculated to relate these trigger pulses to fractional portions of the cycle, and hence to the event timings stored in memory. The sequence of events stored in memory comprise a threaded list of elements, each of which has four parts. The first part comprises the fractional part of the cycle at which the particular event is to occur and the last part the address of the next succeeding element. The second part contains information to be interpreted for display on an operator's console, and to permit orderly access to the information contained in the four word element. The third part contains the identity of a particular output, and its desired condition (on/off).

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