Modular network control system

Details Modular network control system Modular network control system

1991-12-23

1994-02-22

Ruggiero, Joseph

Boots, shoes, and leggings

340310R, 34082507, 364492, G06F 1546, G06F 1556

Patent

active

052893650

ABSTRACT:
A module electrical control system for controlling office equipment includes a plurality of control modules interconnected with an input module via a system bus assembly. The input module includes an input-generating device, such as a keypad or the like, for generating an input signal, an output port to which the system bus assembly is connected and a circuit that is responsive to the input signal for supplying a command signal to the output port. The circuit includes a switch control unit that is responsive to a particular state of the input signal by producing a switched low voltage output signal and an address and command control until that is responsive to a particular state of the input signal by producing a particular value of a data signal. The system bus assembly includes at least two signal channels; one selectively supplied with the switched low voltage signal and the other selectively supplied with the data signal. Each control module is one of at least two types. A first type includes a control circuit that is responsive to the switched low voltage signal on the first signal channel in order to perform a control function on the load connected therewith. All control modules of the first type will respond concurrently to the switched low voltage signal. A second type of control module includes a control circuit that is responsive to a particular value of the data signal on a second signal channel uniquely assigned to that control module in order to perform a control function on the load connected therewith. Thus, modules of the second type will respond individually to the data signal.

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