Battery-free RFID relay
25 June 2014
Switches, Relays & Keypads
The Titan from Farsens is a battery-free, bistable RFID relay tag compatible with commercial EPC C1G2 readers.
It can be wirelessly activated and deactivated via a unique ID and the relay keeps its latest status even when out of range of the RFID reader.
The tag has a 96-bit EPC number, a 32-bit TID and a password protected kill command. Built in a PCB format, it is available in different sizes and a variety of antenna designs, depending on the specific application. It can be encapsulated in an IP67 or IP68 casing for use in harsh environments.
The communication range of the tag is up to 1,5 metres over operating temperatures between -30°C and +85°C. The fact that the actuator is fully passive makes this relay ideal for inaccessible or restricted areas and those where the use of batteries is not recommended.
Titan tags are used in energy scarce applications where the stored energy is limited and the system/circuit is controlled via a wireless battery-free relay. The circuit can be opened and closed from a commercial RFID reader. The bistable relay allows the system to run so that the limited battery is only switched on during the time the user actually needs it to be running.
Battery-free relays are also a good fit for retrofitting in places where lots of mechanical relays are being manually operated. The fact that each relay is uniquely identified by its ID number makes automation a lot easier and activation/deactivation can easily be implemented in reader software.
For more information visit www.farsens.com
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