Programmable controller with control program comments

Details Programmable controller with control program comments Programmable controller with control program comments

1982-09-20

1984-12-11

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 906

Patent

active

044882580

ABSTRACT:
The control program for a programmable controller is entered and edited through a program terminal which displays the control program symbolically as a ladder diagram. Comment instructions are entered into the control program and associated comment data is entered and stored. The comment data is subsequently displayed by the program terminal along with the ladder diagram rung containing the comment instruction.

REFERENCES:
patent: 4006464 (1977-02-01), Landell
patent: 4012725 (1977-03-01), Spangler et al.
patent: 4118789 (1978-10-01), Casto et al.
patent: 4200915 (1980-04-01), Struger et al.
patent: 4446525 (1984-05-01), Hoch et al.

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