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2 sensor connection – Campbell Scientific ET106 ETo Station User Manual

Page 25

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Section 3. ET Instrumentation Installation

3-5

e)

Strip 1 inch of insulation from each end of the 9-inch piece of 12 AWG
ground wire. Insert one end into the brass ground lug located at the top
back of the enclosure. Curl the other end and place under the head of one
of the lightning rod clamp bolts. Tighten the bolt.

3.2 Sensor Connection

1)

Install the sensor set as described in Section 4.

2)

Remove the protective connector cover from the back of the ET Enclosure
by removing the two Phillips head screws. Sensors connect to one of
seven labeled bulkhead connectors as shown in Figure 3.2-1.

Earth
Ground

Stand off

Connector

#4

Sensors

TEMP

CS615

TEMP

RAIN

(PRECIP)

TEMP / RH

SOLAR

RADIATION

COMM

WS/WD

SDI 12

GYP BLOCK

#2

#6

#7

#5

#1

#3

#8

CS I/O

POWER CABLE PORT

STAND OFF

COAXIAL CONNECTION

FIGURE 3.2-1. Position of Sensor Bulkhead Connectors

3)

Replace the protective connector cover after sensors are connected and
power and communications cables are installed. Ensure that all cables and
connector caps are under the cover before tightening the screws.

4)

Configure sensor switch settings as shown in Figure 3.2-2 if necessary.