Diagnostic hardware for serial datalink

Details Diagnostic hardware for serial datalink Diagnostic hardware for serial datalink

1990-05-08

1992-06-23

Beausoliel, Robert W.

Excavating

340650, 371 201, G06F 1100

Patent

active

051249901

ABSTRACT:
Full diagnostic capability is provided in a serial datalink network having a plurality of control modules. Each control module includes a differential receiver for providing noise immunity and a transmitter having a positive line driver and a negative line driver. Positive and negative transmission wires connect differential receivers to the positive and negative line drivers. Circuits sense the occurrence of a short circuit condition between the positive transmission wires and ground and between the negative transmission wires and supply voltage. Overcurrents in the positive and negative transmission wires are also detected.

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patent: 4815069 (1989-03-01), Nakayashiki et al.
patent: 4907227 (1990-03-01), Unno

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