3M Drive-Thru G5B1 - 7 Appendix: Induction Loop and Vehicle Detector Board Specifications; Internal Vehicle Detector Board Specifications; Saw - in Loop Specifications; Prefab Loop Specifications

Installation Instructions G5 - Revision C, September 2019 59
3M™ Drive-Thru System Model G5
Installation Instructions G5
Revision C, September 2019
6. Appendix: Induction Loop and Vehicle Detector Board Specifications
A. Internal Vehicle Detector Board Specifications
B. Saw - In Loop Specifications
C. Prefab Loop Specifications
Parameter Specification or Requirement
Size 2.5 in. x 3.0 in. (5.1 cm x 7.6 cm)
Power Supply Type Supply from G5 Basestation G5B1 terminals
Voltage 12 DC nominal
Current 50 mA maximum
Connector 3-wire plug-in connector to G5 Basestation G5B1
Parameter Specification or Requirement
3M Detector Loop Sealant 2 each, 1 quart cartridges.
Loop Wire 14 AWG, 19 strands of bare copper, 015 polyvinyl chloride insulation with
.004 nylon jacket, 600v U.L. listed as 90°C MTW, gasoline and oil resistant,
100 feet long.
Parameter Specification or Requirement
Loop Inductance 100 micro henries
Loop Tubing 1/2" schedule 40 PVC
Loop Wire 5 turns of 18 AWG, 7 strands copper with poly vinyl chloride insulation
Lead-in cable 20 feet of 2 conductor (plus shield) 16 AWG. 19 x 29 stranded copper,
Mylar shield with 20 AWG drain wire. Outer jacket to be of high density
polyethylene, suitable for direct burial