Serial controller

Details Serial controller Serial controller

1995-05-08

1996-12-24

Olms, Douglas W.

Multiplex communications

Diagnostic testing

Path check

370249, 370252, H04J 314

Patent

active

055879950

ABSTRACT:
A serial controller in which nodes to which are connected one or plurality of sensors and one or a plurality of actuators are connected in series in the form of a closed loop including a main controller which sends data frame signals including a first special code, a second special code and output data for the actuators. The main controller measures and controls the time interval for sending the data frame signals and selecting a broken-line detection time setting in order to improve the transmission efficiency and to carry out the control in real time.

REFERENCES:
patent: 4446551 (1984-05-01), Seo
patent: 4527270 (1985-06-01), Sweeton
patent: 4593154 (1986-06-01), Takeda et al.
patent: 5115199 (1992-05-01), Yamagishi

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