On-line Magazine 'Sensors & Transducers' (S&T e-Digest)
(ISSN 1726- 5479)
Vol. 56, Issue 6, June 2005, pp. 335-340
Machine Control and Monitoring with Low-Cost Embedded Digital Signal Conditioners
Dr. Raymond B. SEPE, Jr.
Electro Standards Laboratories
36 Western Industrial Drive
Cranston, RI 02921
Telephone: 1-401-943-1164, fax: 1-401-946-5790
Received: 17 June 2005 / Accepted: 15 June 2005 / Published: 21 June 2005
Abstract: Simple, low-cost automated machine control and monitoring is required for survival in lean manufacturing environments. Low-cost intelligent digital signal conditioners embedded within a sensor or within a machine for direct, local signal conditioning, measurement and control can be ideal automation solutions. CellMites Model 4326A Intelligent Digital Signal Conditioner uses its digital and analog outputs to tune and control local actuators. CellMites contains the signal conditioning, excitation and sense voltages, digitization, and processing power, along with both analog and digital serial outputs suitable for direct connection to a PC. The CellMites are individually addressable so that a complete sensor network can be established by simply bussing together multiple units. The application of CellMites for machine control and monitoring of a multi-axis cutting machine is presented in this paper.
Keywords: Machine Control and Monitoring, Intelligent Digital Signal Conditioners, Analog and Digital Serial Outputs, Localized Machine Tuning, Distributed Sensor Network
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