
2.5 Antenna
■
Usable antenna
Part No.
Product name
Remarks
AKR2802
Standard Antenna
2 pieces
AKR2803 Antenna
with
cable
2 pieces, cable length: 2m
AKR2802 AKR2803
Accessories: a magnet,
a double-faced tape
■
Cautions for connection to main unit
・
When connecting antenna mounting section, grasp the connector of the antenna, and connect
it surely.
・
To bring out communication performance, connect 2 antennas necessarily.
■
Cautions for installing antennas
・
Connect 2 antennas necessarily, and install it vertically against ground.
・
When installing antennas, separate them from metallic plate. If install antennas in metallic
operator control panel, wireless performance is degraded. When install in metallic operator
control panel, use antennas with cable necessarily, and install them outside of operator control
panel.
・
To fix antennas with cable, use double-faced tape or magnet. But the other side should be
metallic plate for magnet.
・
When using antennas with cable and antenna extension cables, adjust bending radius of
cable to 50mm or more. And do not bend the vicinity of the connector root (about 40mm).
・
Standard antenna and antenna with cable are indoor type. When use in outdoor, give
waterproof measures as putting in a plastic case etc.
・
It is possible to bend about 90 degrees at the top of antenna. Adjust the angle according to
radio wave condition.
・
When use antennas with cable, install them in good radio waves condition with same direction
and separate them as much as possible. (By separating them greater than or equal to 30cm,
communication condition becomes better.)
・
Install antennas of different group 2m or more apart. They influence each other, and
communication error might increase.
・
When using antenna extension cable, radio wave is attenuated. By using 1 antenna extension
cable, communication distance shortens by about 30%. Therefore, operate it after completing
confirming beforehand. By using them in both master unit and slave unit, the distance
becomes half.
2-12
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Содержание KR20
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