mini-MEK™ Photoelectric Controls		Distributed by:
MEK56 SERIES		T&C Industrial Controls
FEATURES
Visible Red Beam  Easy alignment. Beam easily seen on reflector. NEW polarized beam "Wrap Proof" mini-MEK also available. No false signals from shrink wrap, stretch wrap, metal straps or shiny objects.
High Visibility Output/Alignment Indicator  Easy walk-by verification of operation. Makes adjustment of plug-in timing modules quick and sure.
Sensitivity Adjustment Potentiometer   Permits user to set sensitivity to unwanted reflections; allows sensing of many translucent objects.
Operation Mode Switch  Lets user select operation with output active when beam complete (light mode) or operation with output active when beam broken (dark mode).
Saddle Clamp Terminal Strip  Quick and easy wiring for "Big Fingers". Plenty of room for two #14 or one #12 wire.		Threaded Metal Inserts  Cover stays on tight with no fear of stripping threads from overtightening.
Compact Rugged Glass Filled ABS Housing  Made for the industrial environment; impact and corrosion resistant.		Self-contained  Each unit has its own power supply, light source and/or receiver, output and plug-in timing module capability.
Set Screw  For conduit mounting. Once the unit is aligned it stays aligned.		O-Ring Gasket  Mounted on cover and mating lip on housing guarantees a good, watertight seal.
Captive Screws  No loose cover due to dropped or missing screws, saves time and aggravation.		Screw Holes Outside of O-Ring and Housing Interior  Water can not leak through screw holes into the interior.
Phase Locked Loop Solid State Circuitry  Insensitive to ambient light, electrical noise and radio frequency interference.		Power-up Output Inhibit  Prevents any unintended output for approximately one second after the unit is powered up.
MEK-56-RF-20 Reflex Controls The "RF20" senses its light beam reflected back from a retroreflective target. Easy alignment is assured by the unit's visible red beam reflecting off the target. The beam is considered complete when the path between the "RF20's" lens and the reflector is not blocked. The wrap-proof "WP20" senses its beam reflected from a standard corner cube reflector but will not sense its beam reflected back from strech-wrap, shrink wrap, ect. eliminating the false outputs wraps often cause. Range 12' with 3" reflector. MEK-56-LA46 / MEK-56-PA46 Thru-Beam Controls This separate Light Source and Receiver can be used at ranges of 60 ft. in a clean air environment. At shorter ranges it has plenty of power to punch through dusty, vapor filled or smokey air. The visible red beam makes alignment easy. The beam is considered complete when the path between the light source's and receiver's lens is not blocked. The "PA46" receiver performs all output and/or timing functions in a Thru-Beam system. MEK-56-FF36 Proximity Controls The "FF36" senses its light beam reflected back from the actual object the "FF36" is used to sense. In this case, the object is the "reflector". This makes the unit ideal for applications where using a standard reflector would be impractical; for example, looking up between rollers to sense presence of a load at a P & D station. For applications purposes, the beam is complete when the "FF36" senses light reflected from an object. Range, depending on target, up to 40".
SPECIFICATIONS
ELECTRICAL: Power:   117 VAC ± 10%   50/60 Hz Power Consumption:   2 VA Maximum	OPERATING: Light Source:   Modulated LED (visibile red-RF20, LA46, IR-FF36) 100,000 hrs. nominal life. Circuit:   Phase locked loop Power Inhibit:   Output deactivated for approximately 1 sec. Mode of Operation:   Switch selectable 1. Light (L) output active when beam complete. 2. Dark (D) output active when beam broken. Relay active when coil energized. Solid state outputs active when conducting. Sensitivity Control:   Single turn potentiometer (270°)
PACKAGING: Housing:   Glass reinforced ABS   NEMA 1,3,4,12 and 13
ENVIRONMENTAL: Ambient Temp:   -40°C to +60°C Humidity:   0-99.9% noncondensing Ambient Light:   10,000 ft. candles Shock:   10G Vibration:   10G/55Hz
DIMENSIONS MOUNTING BRACKETS
ORDERING INFORMATION
MEK-56-(  MODEL  )-(  OUTPUT  ) MODEL   OUTPUT RF20-Retroreflective AOF-Open Collector WP20-Wrap-proof retroreflective ARF-Relay LA46-Light Source - Thru-Beam ASF-Triac PA46-Receiver ATF-Triac FF36-Proximity ANF-Suffix for LA46 light source Example: MEK-56-RF20-ARF is a retroreflective unit with relay output Optional Equipment TIMING MODULES   MOUNTING BRACKETS MEK-56-TB15-AB-Single Delay MEK-56-RT149 MEK-56-TB15-AC-Dual Delay MEK-56-RT150 MEK-56-TB03-AD-Non-Retriggerable One Shot MEK-56-TB05-AR-Retriggerable One Shot REFLECTOR   K-3567  3" dia. corner cube type