Vaisala WMS302 Guia do Utilizador descarregar pdf (Página 222)

User's Guide ______________________________________________________________________

220 __________________________________________________________________M210630EN-B

Soil Moisture Sensor

Soil moisture sensor uses one analog channel of the logger. You should

connect the cutted sensor cable to the appropriate channel.

1. Pull the sensor cable close to the logger enclosure. Cut the cable to

a proper length. Thread the cable through the connector parts in the

indicated order 1-2-3-4. See Figure 163 on page 220.

9806-015

Figure 163 Assembling the Connector

2. Strip the sensor cable wires and connect them to connector

terminals according to Table 41 on page 220. Make sure that the

spring of the lead-in connector is in good contact with the shield.

Assemble the connector and connect it to the appropriate connector

of the logger enclosure.

Table 41 Cable Pins of Soil Moisture Sensor ML2x

Pin Number Wire Color Signal

1 Red Supply, +

2 Yellow Signal HI

3 Blue Supply, -

4 Green Signal LO

1 2 ... 217 218 219 220 221 222 223 224 225 226 227 ... 261 262

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Vaisala WMS302 Guia do Utilizador Página 222