Operating Instructions
581E,5005/6.00
6
Distance between drill holes: 190 mm (arranged in a square, see Fig. S0101)
Hole diameter:
10 mm
Depth of hole:
80 mm
Once the holes have been drilled, the four M8 x 160 shear connectors can be set in
place.
2.2
Installing the induction loops
The following section describes the standard installation of an induction loop. The
basic function of loop A is as a safety and closing loop i.e. the gate remains open for
as long as a vehicle is above the loop. The barrier closes automatically only after the
vehicle has moved away from the loopA separate loop detector i.e. the MID-detector
is required.
Non-standard installations will require prior consultation with Magnetic. The
standard installation is illustrated in Fig. S0103.
Fig. S0103
Example of how an induction
loop is installed
1.lane 2.induction loop
3.Projection of the barrier boom onto the surface of the lane assuming standard
loop installation
The following points must be considered when installing the induction loop:
•
The loop must be positioned so that it is symmetrical about the vertical plane
through the gate arm. It must be recalled that the barrier boom is attached to
one side of the gate housing!
•
The distance from the gate arm to the front and rear portions of the induction
loop must be at least 500 mm. If in non-standard installations (e.g. in multi-
storey car parks) significantly different distances arise, prior consultation with
Magnetic should be sought.
•
The distance between the induction loop and the tip of the gate arm and the
distance between the induction loop and the barrier housing should be
approximately 300 mm.
•
The loop must be installed so that it remains stationary when vehicles are passing
the barrier.
•
If the lane has iron reinforcing bars then the induction loop should be positioned
at least 50 mm away from the reinforcing bars. Metals close to the induction
loop reduce its sensitivity.
300
300
1
2
3
S0103
min. 500
500