DoorKing 9409 Dual Channel Information Manual Download Page 17

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Information Manual

Underground Loops and Loop Detectors

DoorKing Plug-In Loop Detectors and Loop Accessories

DoorKing, Inc.

120 S. Glasgow Avenue

Inglewood, California 90301

U.S.A.

Phone: 310-645-0023

Fax: 310-641-1586

www.doorking.com

Loop Info-P-3-10

Summary of Contents for 9409 Dual Channel

Page 1: ...DoorKing Inc All rights reserved Underground Loops and Loop Detectors Underground Loops and Loop Detectors DoorKing Plug In Loop Detectors and Loop Accessories 9409 Dual Channel 9410 Single Channel 9...

Page 2: ......

Page 3: ...cellation Effect Field Enhancement Effect Loop Phasing Electrically Reverse the Phase of a Loop Loop Detection Field Interference and Loop Placement Saw Cut Loop Guidelines DoorKing Preformed Loop Gui...

Page 4: ...with a loop measuring 6 on the short leg Loops can be saw cut into concrete or asphalt They can be placed under brick pavers and asphalt or be imbedded in a poured concrete road surface Design Facts U...

Page 5: ...ne to its environment Stationary or static metal objects such as conduits pipes metal grates etc will not affect the loop field High voltage electrical power lines either underground or overhead can a...

Page 6: ...e height than a passenger car The height of detection above and below the loop is determined by the shortest leg of the loop The height of detection is equal to 1 2 to 2 3 the length of the SHORT LEG...

Page 7: ...ops in the opposite direction Clockwise or Counter Clockwise electrically creates the effect of the electrical current passing through the closest edges of the loops in the same direction Since the el...

Page 8: ...they must be the same size same number of turns and the same distance from the gate They must be connected in series and the direction in which each loop is wound is important for proper door or gate...

Page 9: ...ser to the gate than the short leg of the loop otherwise the movement of the gate will interfere with the loop s detection field and the loop detector will give a false call and reverse the gate s dir...

Page 10: ...od spaced approximately one 1 foot apart along the entire length of the saw cut and exit slot Make certain to press the backer rod tightly into the slot Use a wooden stick or other blunt instrument to...

Page 11: ...on Straight saw cut 45 corner saw cut Twist wire from this point to loop detector Exit Slot NO Sharp Angles Watertight J Box Sweep Loop Lead In Wire or Cable to Operator in PVC Conduit Tape on end to...

Page 12: ...and Gravel Base 1 Minimum Depth Hold Down Stakes Hold Down Stakes Styrofoam Blocks T connector accepts 1 2 PVC conduit Poured Concrete Asphalt 2 to 3 Depth Loop Lead In Wires T connector accepts 1 2 P...

Page 13: ...up to it Typically a loop lead in cable will need to be installed Pages 2 and 6 Loop should to be far enough away from the reverse loop to avoid any cross talk or on a different loop detector frequenc...

Page 14: ...detector frequency if detection fields overlap Page 7 Reverse Loop Optional Automatic Exit Loop Reverse Loop Shadow Loop Loop Lead In Wire Primary Operator Secondary Operator Loop Lead In Wires Loop L...

Page 15: ...er capable of testing up to 500 megohms 500 million ohms such as a DoorKing meter P N 9401 045 A typical ohms meter will not read units as small as micro henries Disconnect the loop wires from the loo...

Page 16: ...ate operators Manufactured by DoorKing Inc Megohm meter Checks integrity of ground loops Reads up to 500 megohms Asphalt sealant flat black 10 oz tube Concrete sealant gray 10 oz tube Two channel plug...

Page 17: ...Loop Detectors Underground Loops and Loop Detectors DoorKing Plug In Loop Detectors and Loop Accessories DoorKing Inc 120 S Glasgow Avenue Inglewood California 90301 U S A Phone 310 645 0023 Fax 310 6...