External Entrapment Protection - HySecurity StrongArm 14F Programming And Operations Manual

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xternal ntraPMent
Consult a photoelectric sensor manual for wiring details. Make all electrical connections to Smart Touch
Controller.
Photo Eye Installation Tips
Underwriters Laboratories requires that any non-contact sensor used as an external entrapment protection
device, must be tested to, and recognized by, the UL 325 Standard.
• There are two common types of photoelectric sensors, thru-beam and retro-reflective, and each has its
advantages.
• A thru-beam sensor is generally more powerful and able to function reliably with dirty optics and in
poor weather.
• A retro-reflective sensor does not require the installation and extra wiring of a separate emitter
and receiver as is required in a thru-beam system, but retro-reflective eyes are generally more
problematic in poor weather. Avoid using retro-reflective devices across outdoor distances greater
than 24 ft (7.3m) because of performance and reliability issues.
• For pedestrian detection, mount thru-beam type photo eyes approximately 15" to 30" (4.6 to 9m)
above the ground and as close to the gate as possible. A minimum of one photo eyes is required,
but two is recommended, one photo eye to guard the open direction and the other for the close
direction of travel, unless gate edges for entrapment protection are installed.
• Three wires to the receiver and two wires to the emitter are all that is required.
• Depending on how the photo eyes are to be wired, +24VDC or +12VDC, power is provided via
spades located just to the right of the COM terminal strip near the left side of the board.
• The receiver and emitter common wires are connected to the SENSOR COM terminal at the
bottom, left of the Smart Touch Controller.
• The photo eye NO or NC output wires connect to the Smart DC Controller at the Appropriate
Sensor Input (1, 2, or 3). The appropriate sensor input must be programmed for Eye Open or Eye
Close based on whether it spans the road or the "catch" area of an opening gate.
• If tripped while in motion, the standard function is to stop the gate and automatically restart again if
the photo eye is clear within five seconds. An optional setting in the Installer Menu will cause a two
second reversal of travel, or, if closing, can be programmed to reverse to full open.
NOTE: Sensor & +24V is the recommended way to connect monitored photo eyes to Smart Touch Controller.
NOTE: If photo eyes are to be used for vehicle detection and logically function the same as a vehicle detector, connect the common
ires to the COM terminals on the left side of the board and wire the NO output contact to the appropriate vehicle detector input:
EXIT LOOP, IN OBS LOOP, and OUT OBS LOOP.
If the photo eye has an internal switch for setting Light Operate vs. Dark Operate, select Light Operate. If the
photo eye has a relay output and has both NO and NC terminals, some experimentation may be required to
determine the proper connection. This is because, in the Light Operate mode, the output relay is normally
energized and releases when the beam is blocked. Some manufacturers label an output as NO, when it is
actually an NC contact. If the photo eye has a solid-state output you must choose a sinking type connection.
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roteCtion
StrongArm Programming and Operations
MX3657-01 Rev. D ©2020