Operator Interfaces, Switches & Relays


Wireless limit switches

December 2010 Operator Interfaces, Switches & Relays

Honeywell has introduced a new series of wireless limit switches that combine great flexibility with proven harsh-duty packaging to increase efficiencies and improve safety for machines, equipment, OEMs, and operators. The new Limitless series of switches and monitors offers a new way of working that delivers more flexibility, more up time, more reliability, and more freedom. Honeywell Sensing and Control developed this technology to be a cutting-edge, cost-saving solution.

The new Limitless product line combines the best of MicroSwitch global switches with wireless technology. The switches feature the latest commercial off-the-shelf wireless technology, especially beneficial for remote monitoring applications where wiring, or wiring maintenance, is not physically possible or economically feasible. Limitless wireless switches and monitors use 802.15.4 as it is licence free, globally acceptable, and requires low power consumption. They also employ WLAN RF 24 GHz standard radio bands, conform to international IEEE 802.15.4 standards, and feature a 16-bit address and 128-bit security key.

Up to 16 switches may be networked together and paired with one Limitless WPMM monitor. When used together, components have up to a 304 m line-of-sight communication range. These switches may be used in a variety of remote monitoring applications, including valves, construction/agricultural machines, cranes, grain diverters/flaps, lifts, material handling, door positioning, conveyors, presses, and specialty machines.



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