Field device with display
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United States of America Patent
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Mar 7, 2006
Issued Date -
N/A
app pub date -
Jul 5, 2002
filing date -
Jul 6, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A display (AV) for on-site visualization of conditions of an automated process (PZ) is disclosed. It comprises a display controller (AS) which at least temporarily provides a state indication signal (ZA) representing a constellation of states of at least two process data signals (PD1, PD2). At least one of the two process data signals (PD1, PD2) is derived from a signal (RX) generated externally to the field device (F1). The field device (F1) has a display element (AE) which responds to a change in the state indication signal (ZA) with a significant change in its appearance, thus signaling the constellation of the states of the two process data signals (PD1, PD2) in a visually perceptible manner. Therefore, the field device (F1) is particularly suited for on-site monitoring of entire plants or sections thereof by operating personnel.
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