Programmable sequence controller

Details Programmable sequence controller Programmable sequence controller

1986-08-12

1989-05-23

MacDonald, Allen

Boots, shoes, and leggings

G05B 1900, G06F 1500

Patent

active

048335894

ABSTRACT:
A programmable sequence controller has indicator lamps for displaying the status of the respective input and output signals. The indicator lamps are respectively coupled with signal input and output terminals through a connector, and are included as in a panel which cover the front surface of the signal input and output terminals.

REFERENCES:
patent: 4162536 (1979-07-01), Morley
patent: 4276610 (1981-06-01), Fleck
patent: 4293915 (1981-10-01), Carpenter et al.
patent: 4371922 (1983-02-01), Fujita et al.
patent: 4404625 (1983-09-01), Saito et al.
patent: 4413319 (1983-11-01), Schultz et al.
patent: 4488258 (1984-12-01), Struger et al.
patent: 4663704 (1987-05-01), Jones et al.

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