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RayTek MI Miniature Infrared Sensor Thermometer User Manual

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Installation

MI 31

5.6InstallingofMultipleSensorsviaRS485

Thedistancebetweenthesensorandacomputercanbeupto1200m

(4000ft.)viaRS485 interface.Thisallowsampledistancefromthe

harshenvironmentwherethesensingheadismountedtoacontrol

roomorpulpitwherethecomputerislocated.

TheRS232/485adaptercomeswithapower

supply:

RAYMINCONV2 for230VAC

RAYMINCONV1 for110VAC



Connectthesignallineasshown:

RS232/485Adapter ElectronicBox

RxB Æ B

RxA Æ A

Do not run power supply in the same conduit as the

RxA/RxBwires!



Figure21:WiringtheRS485Interface

Shunt deactivated!

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