Serial interfaces go wireless with Bluetooth
A
Phoenix Contact product story
Edited by the Engineeringtalk editorial team
Apr 12, 2005
The new PSI-WL Bluetooth convertor from Phoenix Contact can be used for wireless transmission of data from RS232, RS422 and RS485 serial interfaces.
Bluetooth technology is now making fast and economical remote data transmission available in industrial applications.
The new PSI-WL Bluetooth convertor from Phoenix Contact can be used for wireless transmission of data from RS232, RS422 and RS485 serial interfaces.
They function as replacement serial cables in point-to-point or multipoint connections.
The devices can also be used as industrial access points with existing Bluetooth-compatible equipment for checking the operating status of a notebook or PDA, or for monitoring programming, diagnostic, and parameterisation tasks.
Passwords protect against unauthorised access and connected devices are protected by a specific configuration of Bluetooth devices.
The device installation is supported by an integrated Bluetooth line diagnostics that displays the signal strength of the remote connection.
The software tool included with the system also allows system designers to make adjustments to the transmission power, allowing for fine-tuning of the remote cell.
Two models are available: one for mounting to EN rails in control cabinets and one for plugging directly into serial ports outside of control cabinets.
The high level of transmission security and speed defined in the Bluetooth standard is based on the frequency hopping spread spectrum (FHSS) in the 2.4GHz ISM band.
With an allowable transmission power of 100mW, ranges up to 150m can be achieved, depending on the system design.
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