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Wireless Data Communication System - WD PRO Series Instruction Manual
6. Installation
6.1.3 About the MAC Address
・
Static address assigned to WDT-PRO for identification. This address is called a MAC address (IEEE address).
・
The MAC address is printed on a nameplate on the back of the WDT-PRO.
Nameplate
0123456789ABCDEF
PATLITE
Corporation
MADE IN JAPAN
01234
技術基準認証済
無線装置内蔵
2.4 DS 1
MAC Address
0123456789ABCDEF
6.1.4 How many WDT you can connect to WDR
The number of WDT units you can connect to a WDR is limited by the frequency of information sent to the WDR.
The total transmissions from all WDT connected to the WDR is limited to 120 or less per minute (transmission
interval of 0.5 seconds or longer). To satisfy this condition, use the following table as a guide and determine the
number of connected units.
WDT connection limit
Estimated number of Contact Input Information, RS-232C Input Information,
and Clear Input Information transmissions / 1 WDT
30 unit
4 times per minute
20 unit
6 times per minute
10 unit
12 times per minute
5 unit
24 times per minute
1 unit
120 times per minute
6.2 About the Installation Environment
6.2.1 Installation Environment Main Points
There are five essential points to consider at installation.
No.
Description
References
1
There is no influence in radio waves at the installation site. Also,
the radio waves at the installation site do not change over time.
☞ 6.2.2 About the Influence of Surrounding
2
The distance between devices (WDR, WDT) does not exceed
recommendations. The recommended distance between all WDT
and WDR is within line of sight.
☞ 6.2.3 Distance Between Devices(P.22)
3
Each device (WDR and WDT) is in line of sight. To ensure good
line of sight, the location should not be cluttered and should be
free of any obstacles.
☞ 6.2.4 Ensuring Line of Sight(P.22)
4
WDR placement is appropriate.
・
Install in a location as high as possible.
・
Install away from obstacles that could disrupt radio waves.
☞ 6.2.5 WDR Installation Position and
5
Each device is always powered, and the mesh network is always
available. If power is not available for one of the WDT, the
communication path could get interrupted and information may not
be transmitted.
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