Honeywell Wireless Heavy Duty Limit Switch (WLS Series)

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The new Honeywell Limitless™ product line combines the best of MICRO SWITCH™ Heavy Duty limit switches with the latest commercial off-the-shelf wireless technology. Wireless- enabled limit switches can be used for position sensing and presence/absence detection for an endless number of applications.

The Limitless™ Series is especially beneficial for remote monitoring applications where wiring or wire maintenance is not physically possible or economically feasible. Combining this greater flexibility with proven harsh duty packaging can result in increased efficiencies and improved safety for machines, equipment, OEMs, and operators.

FEATURES
Wireless Design

• Radio (license-free and global): WPAN 802.15.4, 2.4 GHz, point-to-point
• FCC 15, IC, ACMA & ETSI
• EMI Immunity
• Up to 305 m [1000 ft] communication range when used with a Limitless™ wireless monitor or receiver module (sold separately)
• Reliable, flexible, and secure wireless transmission
• Standard replaceable battery with ultra-low power consumption
• Direct or remote mount antenna options

Mechanical Design
• IP67; NEMA 1, 3, 4, 6, 6P, 12, 13
• Unique all-metal drive train
• Twin shaft seals (rotary)
• Zinc head and body are phosphate treated and epoxy finished making it less susceptive to effects from environmental exposure
• Captive head and body screws
• Full complement of operating heads and levers
• Chemical resistant fluorocarbon seals (optional)

BENEFITS
• Built on field-proven MICRO SWITCH™ HDLS heritage
• Operating head rotary tested in excess of 50 million cycles for enhanced reliability
• Diaphragm seal between head and body cavity provides sealing protection
• Twin shaft seals protect head and internal components from corrosion and debris
• Sintered bronze bearings provide extended mechanical life
• Enables wireless presence/absence detection in applications/ machinery where wiring is challenging or not feasible
• Integration of existing wireless technology with the superior reliability of Honeywell MICRO SWITCH™ limit switch series
• Ability to reconfigure and network multiple switches or point-to-point personalized addresses, thus easily allowing adding, subtracting, or relocating Limitless™ switches
• Reduces installation/maintenance costs with no wires, conduit, strain relief, clips, connectors, or connection boxes
• Output options
– Panel mount monitor: visual, audible (buzzer), NPN output
– DIN-mount receiver: visual, NPN/PNP (relay, CAN, Ethernet, Profibus available in the future)
• Consumes ultra-low power to prolong battery life (replaceable)
• Long-range signal of 305 m/1000 ft line-of-sight in North America
• RF board operating in 2.4 GHz globally license-free frequency band; WPAN 802.15.4
• EN 50041 metal enclosure; IP67;NEMA 1, 3, 4, 6, 6P, 12, 13
• Full complement of operating heads and levers, as well as monitor/receivers and accessories

POTENTIAL APPLICATIONS
• Valve position
• Crane boom/jib/skew position
• Lifts
• Material handling
• Presses
• Construction/Ag machines
• Conveyors
• Remote or temporary equipment
• Movable machinery
• Grain diverters or flaps
• Door position
• Hose attachment verification
• Specialty machines

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