WD30-AT001 Omron, WD30-AT001 Datasheet - Page 50

• Manufacturer Part Number: WD30-AT001
• Description: REMOTE WIRELESS ANTENNA'S DNET
• Manufacturer: Omron

Specifications of WD30-AT001

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: WD30AT001

38
2-7
Deciding the Antenna Installation Position
Deciding the Antenna Installation Position
This unit uses radio waves of frequency 2.4GHz, which is very high. High-fre-
quency waves exhibit strong rectilinear propagation and are reflected easily.
For this reason, careful consideration of the antenna installation position is
required to achieve sufficient wireless performance.
1. If possible, install antennas so that there is a direct line of sight between
2. Install in as high a location as possible.
Slave station
Slave station
TEST
RUN
SET
X10
them.
High-frequency waves, which exhibit strong rectilinear propagation, are
used and so it is difficult for the waves to reach areas that are not in a direct
line of sight, as shown in the following diagram. This is a particularly impor-
tant point for communications at long distances (e.g., exceeding 50m or
60m.)
If the antennas are installed in locations with relatively high ceilings and a
lot of open space, even if there is no direct line of sight between the anten-
nas, if one of the antennas is installed in a high location, communications
may still be possible via radio waves that are reflected off the ceiling.
As mentioned in the preceding paragraph, if the antennas are installed in
high locations, because the space surrounding the antennas will be more
open, there will be less influence from obstacles, and the radio waves will
N NODE
SW1
ON
1 2
MS NS
3 4
X1
SW2
Transmission
antenna
WS
TEST
RUN
SET
X10
X10
ON
1 2
W NODE
W CH
SW3
3 4
5
6
SW2
7 8
X1
X1
Obstacle
Area not in a direct line of
sight from the antenna
5. Set the mode select switch to
6. If all MS and NS LEDs light green
Antenna that is
difficult for the waves
to reach
"RUN".
and the node address is shown in
the LED display, the system is in
RUN operation status.
Section 2-7
Antenna that
waves will reach