Method for preparing information tables for a digital valve cont

Details Method for preparing information tables for a digital valve cont Method for preparing information tables for a digital valve cont

1984-02-03

1989-05-23

Smith, Jerry

Boots, shoes, and leggings

364174, 318696, 25112901, 13762412, 1376242, G05B 1132

Patent

active

048335932

ABSTRACT:
An external system for preparing information tables is connected by a connector to a digital valve control system which controls a digital valve by driving a pulse motor according to the information tables. The digital valve control system stores in the memory a first information table for determining the control amount for the digital valve and a second information table for determining the interval between the generation of motor driving pulses. The first information table for determining the control amount is fixedly stored in the memory and the second information table for determining the type of control pattern is stored in the memory which is capable of writing and reading the information which can be freely prepared, corrected and modified by the external system. The second information table is prepared by the keyboard of the external system, transferred to the digital valve control system and written in the memory. The digital valve is actually controlled by using the prepared information table to check the load condition and the correction of the second information table is repeated by the external system until the optimum result is obtained, and the external system is then disconnected when a desired control characteristic is obtained.

REFERENCES:
patent: 4156170 (1979-05-01), Strunc
patent: 4528491 (1985-07-01), Takeuchi et al.

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