AWID LR-2000 Specifications download pdf (Page 5)

LR-2000 Manual V1.4 Page 5 of 20

PART A INSTALLATION

3 PREPARING FOR INSTALLATION

3.1 STUDY THE APPLICATION

• Determine what your client wants. Discuss the requirements with AWID’s Technical Support.

• Visit the site; take photographs; draw diagrams; compare with similar installations. Look for unusual features.

• Study the Planning sections in this Manual to be sure that all factors have been considered. (See Part B.)

• Prepare a list of products and materials. Ask AWID’s Technical Support for ideas and review.

3.2 GUIDELINES FOR THE INSTALLATION

1. Plan about one car length between the reader and the gate, where possible. This allows the vehicle to continue moving slowly

as the tag is read and as the gate opens.

2. Select a reader location where the vehicle can move in a straight line for about one vehicle length as the tag is read.

3. Use an adjustable mount or bracket for pan and tilt-down aiming of the reader at the “sweet spot” where most

of the credentials will be located in and on the vehicles.

4. Select a reader height that matches the location of credentials in and on the vehicles. See Section 9 for the popular

combinations of reader mounting and vehicle types.

5. Locate the reader and credentials so that they are parallel to each other when the credentials are in the “sweet spot”.

6. Experiment with tag location in the vehicles. Move a tag to different locations, and try both orientations (“portrait” and

“landscape”). Hook the HT-UHF Hangtag behind the inside rearview mirror. Clip the VT-UHF Visor Tag to the sun visor.

Hold the CS-UHF or GR-UHF card inside the vehicle. Press the WS-UHF Windshield Tag against the windshield using a

block of plastic foam.

7. Restrict the vehicles to a lane that is a single vehicle width. Use lane markings or cones or bollards to assure that vehicles

stay close to the reader.

8. Instruct drivers to move at about 5 miles per hour as the tag is being read. Use signs and speed bumps at the “sweet spot”.

9. Watch for applications that suggest use of the LR-2000HiLoMA set. See Sections 9.5 & 9.6 for discussion of these cases.

3.3 WIRING – GOOD PRACTICES

• Use only shielded cable for all readers, and for power, and for door locks or gate operator control. Unlike proximity readers,

do not ground the LR-2000 reader’s cable shields.

• Use a separate cable for each reader. Do not share the reader’s cable with wires that carry switched power, like door locks,

or power to electrically noisy devices. (But data, TTL control, and dry-contact circuits may share the LR-2000’s cable.)

• Do not connect the wires for two LR-2000 readers in parallel. Neither power nor data lines should be in parallel.

(Parallel connection changes the pulse transmission characteristics, and prevents the host system from identifying

the reader addresses individually.)

• Connect the reader’s negative power wire (black) first, and positive power wire (red) last. Disconnect in the opposite order.

• Remove power from the reader before making any wiring changes.

• The Wiegand Data-0 and Data-1 lines should not share a twisted pair in the cable from the reader to the controller.

If it is necessary to use twisted-pair cable, separate the data lines into two different pairs. For example, combine

Negative Power (black) with Data-0 (green) in one twisted pair; and combine Positive Power (red) with Data-1 (white)

in a second twisted pair. This minimizes cross-talk of Wiegand data pulses from one data line to the other.

• The LR-2000 reader has no LED. The lens in the corner of the reader’s cover is a dummy. Use the LR-2000KIT instead.

• The LR-2000 reader has 3 separate wires that serve as negative or common conductors – black for Power Negative,

blue for Data-Common, and bare wire for cable shield Drain. These 3 wires must not be tied together anywhere

in the system, and they must not be connected to ground anywhere.

• The LR-2000 reader has wiring that is different from any proximity reader, or any other technology. You must follow

the wiring diagrams and the instructions in this Manual to have the reader function correctly.

• Unused wires from the reader’s cable must be taped or capped separately, so that they touch nothing.

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AWID LR-2000 Specifications Page 5

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