G - Physics – 05 – B
Patent
G - Physics
05
B
354/236
G05B 19/02 (2006.01) G05B 19/05 (2006.01)
Patent
CA 1319446
ABSTRACT The present invention is directed to a programmable logical controller (PLC) system incorporating a universal input controller card, a universal output controller card, and a symmetrical current mirror fuse blown detector circuit. The universal input controller card is capable of tracking input voltages from 12 to 240 volts, AC or DC. The universal output controller card is capable of outputting output voltages ranging from 12 to 120 volts, AC or DC with no significant leakage current and no load resistors. The current mirror fuse blown detector circuit detects blown fuses in each output channel of the output controller card
585700
Clark Charles A. Jr.
Gates Dirk I.
Fetherstonhaugh & Co.
Schneider Automation Inc.
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