QWM Pty Ltd -
Electronic identification systems are used to uniquely identify supervisors,operators, users and vehicles to an automated system. Personnel are typically issued with uniquely encoded tags or magnetic-strip cards.
Such cards or tags are read by a transceiver device. The transceiver is used to read the unique identification number and transmit this number to a PC and software package. Electronic identification systems prevent operators and users from fraudulently using the automated system.
Magnetic-strip card readers are able to read the magnetically encoded number on a range of magnetic-strip cards. Any type of magnetic-strip card may be used, providing it is uniquely numbered, for example, credit or debit cards, fuel cards, etc.
Radio frequency transponder tags, as with the case of the vehicle-mounted transponder tag, emit a radio signal encoded with a uniquie identification number. Transponders tags have a limited read range of about 2m, so the mounting of the transceiver is important.
The most popular electronic identification systems are now using i-Button touch tags. i-Buttons are passive, meaning they do not emit a radio signal but rather reflect it. The transpoder and transceiver are therefore one and the same device.
The read range is very low, and they are typically read by touching them against a tag reader, thus they are sometimes known as touch tags. Their advantage is that, when used with a plastic tag holder, they can easily be stored on a key-ring and carried with each personnel. They are also very inexpensive compared to other types of electronic identification systems.
Electronic identification systems are ideal for automated weighing procedures on site. Vehicle drivers need not enter their vehicle registration number in to a driver control station (which is subject to erroneous or fraudulent use). The driver simply allows the system to read their unique identification number and the automated system matches this number with complete details about the driver and his company, including physical address, contact details, billing address, vehicle registration, etc.
Electronic identification systems are especially used for unmanned weighbridge operations, where it is uneconomical to employ a weighbridge operator, or for after hours or 24-hour weighbridge operations.
For further information about Electronic Identification Systems visit QWM Pty Ltd at http://www.qwm.com.au
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