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Glossary SCADA / Term

RFID

Radio Frequency Identification (RFID) is a method of transmitting information using radio waves. RFID systems typically consist of a tag and a reader. The tag contains information identifying an item. A reader communicates with the tag and reads the information programmed in the tag’s memory. RFID is similar in theory to bar code identification. However, RFID systems do not need physical contact or line of sight between the tag and reader. RFID data can be read through the human body, clothing and non-metallic materials.

OPC can be used to transfer the data contained in an RFID tag, and either display it in an HMI or archive it in a Historian.

See also: Historian, HMI

Permanent link RFID - Creation date 2020-09-12


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