impro XTT908-1-0-GB Series, Руководство по установке

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XTT316-0-0-GB-08 December 2007 Page 2
Cable Specifications
The cable specifications should be similar to the following:
Conductor Resistance: < 2 ohms.
Capacitance, Core to Earth: < 160 pF/m.
Capacitance, Core to Core: < 100 pF/m.
Distance between Antenna Readers from the SAME Terminal, Controller
or Receiver
To avoid mutual interference, install the Antenna Readers no closer than 150 mm (6 in)
apart.
Distance between Antenna Readers from DIFFERENT Terminals,
Controllers or Receivers
To avoid mutual interference, install the Antenna Readers no closer than 500 mm
(20 in) apart.
Mounting in a User Supplied Enclosure
CAUTION: Make certain that you mount the Antenna Reader on a vibration-free
surface.
The ImproX DPA is designed for mounting in a user supplied enclosure. Select the
mounting position of the ImproX DPA, considering accessibility, routing of wires and
visibility of the externally visible Status LED.
The Antenna Reader has 4 mounting holes, drilled to 4 mm in diameter. The mounting
holes accommodate M3 bolts and nuts.
Drill a 5 mm diameter hole for the cable.
Blank Space