Akytec PVT10 Посібник користувача - Сторінка 8

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Installation

By default the outputs are assigned:



The output assignments and scales can be changed by Modbus commands.

As the humidity and temperature sensor module is located inside the enclosure and at-

tached to the motherboard, the sensors may be subject to transmitter self-heating effects.

If 4-20 mA or 0-10 V analog outputs are used, powering from 12 V DC voltage is recom-

mended for less self-heating of the instrument and achieving higher accuracy. If only

RS485 interface is used, 24 V DC supply voltage is also appropriate. For wiring of RS485

lines use twisted pair cable, like LiYY TP 2 x 2 x 0.5 mm

D+(A) and D-(B) wires and the second pair for common 0V and power +U wires.

After wiring and setting output options attach the enclosure back to the base.

akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 ·

OUT1: to relative humidity with default scale 0 - 95 % RH

OUT2: to temperature with default scale -20...+70 °C

or CAT 5. Use one pair for