Elevator Controller Redesign
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Elevator Controller Redesign |
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Elevator Controller Redesign Description:
First Floor — The Challenge The design of Elevator Control Systems presents a unique mix of sophisticated computer control needs blended with industrial strength power switching requirements. Primary control signaling and contactor switching are performed using isolated 120VAC and 240VAC circuits. An elevator control installation is typically a noise-ridden environment. Orchid's primary challenge was to maintain a quiet operating environment for the control microprocessors while holding overall product cost to a minimum. Second Floor — The Architecture Drawing on Technology from AMD and Microchip Technology, Orchid fashioned an AMD AM80188ER primary control board, and a Microchip PIC16C923 based slave processor. This master-slave combination permits the unlimited, cost effective expansion of control circuits in support of Elevator Control Systems of all sizes. Add to this a display and keypad for maintenance applications. Visit Orchid Technologies Engineering and Consulting, Inc., at www.orchid-tech.com. View Design Note #12 to learn more about the elevator redesign.Elevator Controller Redesign was added in Jul 2009
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