Vaisala WMT700 Manuel d'utilisateur télécharger pdf (Page 38)

TECHNICAL REFERENCE___________________________________________________________

36 __________________________________________________________________ M211097EN-C

0212-039

Figure 10 Wind Speed Frequency Analog Output with WS425

Cable and Adapter Cable for Analog Frequency

Output

Voltage

When voltage is selected as the wind speed analog output, the output

from WMT700 varies linearly from 0 VDC at 0 miles per hour to 1 VDC

at 125 miles per hour or 100 mV/m/s. In SI units, the voltage varies

linearly from 0 VDC at 0 meters per second to 1 VDC at 55.88 meters

per second.

Figure 11 on page 37 shows the voltage output when an adapter cable for

voltage output and a WS425 cable are used. With WMT700, the wind

speed signal appears at pin 14 (pink). The pink wire must be connected to

V read channel, and the violet wire must be connected to the ground.

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Vaisala WMT700 Manuel d'utilisateur Page 38