Programmable controller and method of monitoring a sequence prog

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364DIG2, 3649269, 364949, 3649553, 3951831, 39518322, 39518314, G06F 900, G05B 1905

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active

054635446

ABSTRACT:
A programmable controller comprises a program apparatus and a CPU unit. The program apparatus displays, on a screen, a program of an arbitrary sequence step in a sequence program programmed in the CPU unit, to monitor a device condition of the sequence program displayed during execution of the CPU unit. The CPU unit transmits an arbitrary device having an index qualification and a condition of the arbitrary device to the program apparatus during execution of the programmed sequence program. Similarly, the CPU unit can transmit the arbitrary device and the condition thereof in accordance with a condition of an index specified by an operator.

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"Der Elektroniker", No. 10, 1988, pp. 77-81.
"Elektronik", special issue II, Operation of Debugging Programs, 1978, pp. 64-66.
German Office Action, File No. P 42 10 844.6-53, dated Jul. 8, 1993.

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