Simulation unit sharing the same CPU as a programming control un

Details Simulation unit sharing the same CPU as a programming control un Simulation unit sharing the same CPU as a programming control un

1982-06-22

1985-01-15

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 900

Patent

active

044941919

ABSTRACT:
A programming system fitted with CRT comprising a programming control unit fitted with CRT and simulation unit for a programmable controller in which the programming control unit fitted with CRT consists of a central processing unit (CPU), a control programming ROM and a controlling RAM being connected to the CPU and a keyboard connected with the CPU through a CRT controller and keyboard controller, and further involves an interfacial part for connecting the programming control unit with the simulation unit, while the simulation unit for programmable controller consists of a control programming ROM for the programmable controller, a control RAM, and respective memories corresponding to a process input image memory and a process output image memory, and further possesses interfacial functions being connectable to the programming control unit fitted with CRT.

REFERENCES:
patent: 4070705 (1978-01-01), Lockwood et al.
patent: 4306286 (1981-12-01), Cocke et al.

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