Controlled Products Systems Group PATRSL - Manual (Page 39)

37
Loops
Safety and Exit Loop Position Diagram
Proper wiring of two loops performing the same function
Example: Inside and Outside Safety Loops
Typical Loop Saw cut - top view
Side view
OUT
GATE IN OPEN POSITION
6 X 12 SAFETY LOOP
6 X 12 SAFETY LOOP
Loop located 4 feet
from gate track
Loop located 4 feet
from gate track
6 X 12 EXIT LOOP
8 feet
Gate track
Operator
Drive 20 feet
1/8”
minimum
¼” minimum
Lead in slot
to operator
Corners should be crosscut as shown for
stress relief. 45 degrees is maximum turn
angle allowed. Saw cut width must be at
least 1/8” for recommended wire. Lead
in slot must be at least ¼” for twisted
leads.
1 ½” Depth
Pavement
¼” Saw cut
3/16” Saw cut
¼” minimum
backfill
Siliconized caulk
preferred
Lead from first loop
Lead from second loop Detector