Wireless access point

Monday, 07 January, 2008 | Supplied by: ProSoft Technology Inc

ProSoft Technology has added its 802.11abg Industrial Hotspot to its RadioLinx range. The RLX-IHW functions as a wireless access point, repeater or client and is designed for global installations.

It offers high-speed wireless ethernet communications including EtherNet/IP, Modbus TCP/IP, and DNP over ethernet for linking automation systems, ethernet I/O, video cameras and plant network access for mobile workers.

The device uses orthogonal frequency division multiplexing for multi-path interference rejection, RF multicast packet filtering and dual-frequency bands which make it suitable for high-speed industrial networks.

For high-security applications, the Hotspot offers WPA2 (802.11i) advanced encryption standard (AES-CCM) encryption and MAC ID filtering.

The RLX-IHW is equipped with RF-based internet group management protocol snooping, a tool that allows multicast filtering at the wireless level, so that the transmitting radio, or producer, only transmits needed information to the receiving radio, or consumer, preventing crowding over the air from re-broadcasting data.

The device at the consumer then sends a reply back to the RLX-IHW at the producer confirming receipt of data, and retransmits as necessary to minimise loss of data.

The 802.11abg Industrial Hotspot uses OFDM modulation for good noise immunity at maximum speeds. This technique distributes data over multiple carriers which are assigned individual frequencies, so that each carrier only sees its own, translating into less distortion or interference.

Other features include: dual-frequency band (2.4/5 GHz); OPC server included to embed diagnostics in HMI clients; programmable RF power output to meet regional regulations; support for high-speed applications like video and EtherNet/IP I/O; UL1604 Class 1, Div 2 approved for hazardous environments; self-healing, multiple master network architecture; small form factor, extruded aluminium case and DIN rail mountable; supports distances of up to 8 km at 54 Mbps.

Online: www.prosoft-technology.com
Phone: 0011 603 7724 2080
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