User's Guide
75.1046 V3 July 2005 [Rev. 7/21/2005] Page 2 of 6
WARNING:
For conformity reasons, in any installation,
the loop surface multiplied by the number of
turns should not exceed 215 (for square
feet); 20 (for square meters)
10MATRIXS110: Matrix, Single Unit, 110 Volt AC supply
10MATRIXS220: Matrix, Single Unit, 220 Volt AC supply
10MATRIXS1224: Matrix, Single Unit, 12-24 Volt AC/DC supply
10MATRIXD110: Matrix, Double Unit, 110 Volt AC supply
10MATRIXD220: Matrix, Double Unit, 220 Volt AC supply
10MATRIXD1224: Matrix, Double Unit, 12-24 Volt AC/DC supply
The Digital Transmitters and Receivers comply with Part 15 of the FCC rules. Operation is subject to the following two conditions:
1) This device may not cause harmful interference and;
2) This device must accept any interference received including interference that may cause undesired operations.
Changes or modifications not expressly approved by B.E.A., Inc. for compliance could void the user’s authority to operate the
equipment.
A . CABLE SPECIFICATIONS FOR LOOP AND FEEDER
•
16 AWG (1.5mm²) cross section area ;
• Multi-strand cable ;
• Insulation material : PVC or Silicone ;
• For the feeder cable, the wire must be twisted at least 15 times per yard for each cable.
• Feeder for long runs used for foil screened cable is recommended (earth at equipment end only)
• The feeder cable must be firmly fixed to avoid any false detection (max length: 330 feet (100 m)).
• Waterproof cable junction box is required.
B. LOOP GEOMETRY
• When two adjacent loops are connected to a dual channel
sensor, it is possible for these loops to share a common
slot, if so required. As the channels are multiplexed, no
interference will occur.
• Avoid large loops or long feeder [max 330 feet (100 m)], or
else the sensitivity will be affected.
C. DETERMINATION OF THE NUMBER OF LOOP TURNS
• Measure the length (L) and width (Ea) of one loop. Multiply these numbers together to determine the
loop surface area. See above drawing.
• For example, if L=10 ft, Ea= 3 ft, then the area = 30 ft
2
; 4 loop turns are recommended.
or if L=2m, Ea=1m, then the area = 2 m
2
; 4 loop turns are recommended.
Recommended values for the turns:
D. SLOT DEPTH
Area Number of turns
<32 ft² <3 m² 4
32 – 54 ft² 3 – 5 m² 3
65 – 108 ft² 6 – 10 m² 2
LOOP
INSTALLATION
TIPS
1 ¼
-
2” (30
–
50mm)
depending on the cable
turns number
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Loop sealant
Ground
level
L
Ea
Eb
!
FCC
COMPLIANCE
(FCC ID: G9B-MATRIX)
(IC: 4680A-MATRIX)