VIKING TECHNICAL SUPPORT 1.800.908.0884
2 7
Re-Open Photo Beam (vehicular Safety)
NOTE:
This type of photo-beam installation will stop then RE-OPENS the gate all the way
to the open limit when the an beam is obstructed. Intended for vehicular safety ONLY.
For the purpose of pedestrian entrapment, see pages 10-11.
ACCESSORY CONNECTIONS
!
TECHNICAL TIP:
For more information
regarding accessory connections
to the control board and individual
input terminal functions, refer to
“Appendix (A)”, pages 40-41.
Note regarding Photo Beam types:
Fail-Safe type -
connect the
“N.C.”
terminal of the photo beam to any
terminal labeled “GND” on the control
board.
Typically, these are the reflective type
photo beams.
Fail -Secure type -
connect the
“N.O.”
terminal of the photo beam to any
terminal labeled “GND” on the control
board.
Typically, these are the transmitter/
receiver type photo beams.
Check for proper operation:
The “Re-Open” LED will illuminate
solid while the beam is obstructed
and remain off when the beam is
unobstructed.
N.O.
COM
( - )
( + )