Viconics VST5000 (Classic ZigBee) User Guide Bedienungsanleitung PDF herunterladen (Seite 3)

VST5000W5000W Wireless Survey Tools User Guide

IEEE 802.15.4 along with ZigBee Networks and

Application Support Layer provide:

• Lowcostinstallationdeployment

• Easeofimplementation

• Reliabledatatransfer

• Shortrangeoperation

• Verylowpowerconsumption

For a successful ZigBee deployment, it is important to

understand that the ZigBee wireless network is

inuenced by the same environmental factors that

aect other wireless systems:

• Interferencefromradioemitters

• Variouselectronicdevices

• Interferencecausedbysolidobjectsthatmay 

slow or stop communication between devices

Even with potential sources of signal interference,

the presence of these factors should not result in

noticeable network performance degradation.

Environmental issues will occur with any wireless

network installation.

Basic Initial Design And Deployment

Considerations

Proper design considerations need to be addressed

prior to any installation of a JACE with a Viconics wireless

communication card and related wireless controllers.

• Viconicsrecommendsusingaperoorhorizontal

architecture vs. a vertical one. Transmitting from

one oor to the other may be possible in certain

applications (such as going through stair ways),

butthedesignandoptimizationofthecontroller

antennaisdesignedforoptimalhorizontaldistance

penetration and not a vertical one. As such, be

preparedtouseATLEASTONEcoordinator(VWG/

Jace-Driver) per oor.

• PleasenotethatradiotransmissionsCANNOTtravel

through steel. If oors are constructed with steel

joists or other steel materials it is highly unlikely

that the wireless controller transmissions will be

successful between oors.

Clear line of sight deployment

• Toavoidnetworkinterferencewith802.11Wi-

Fidevicesinthe2.4GHzspectrum,Viconics

recommends the use of 802.15.4 channels 15, 25 and

26 ONLY. 802.11 Wi-Fi transmissions overlap and may

interfere with other channel selections allowed by

802.15.4 (Channels 11 to 24 ).

• WithClearlineofsightdeployment,(nophysical

obstacles between 2 communicating controllers)

themaximumdistancebetweeneachcontrollerisa

maximumof100feetor30Meters(fig. 1).

Non-clear line of sight deployment

• Themaximumnon-clearlineofsightdistance

between controllers for gypsum wall partitions

whichmayincludemetalstudframingisamaximum

of 50 feet or 15 meters (fig. 2).

t t

Beyond Comfort

Line of sight

distance

between 2

nodes is a

maximum

of 100 feet

(30 M)

Fig. 1

Beyond Comfort

Maximum

50 feet

(15 M)

between 2

controller

nodes

Fig. 2

1 2 3 4 5 6 7 8 ... 11 12

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