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9 wiring – Campbell Scientific 0871LH1 Freezing Rain Sensor User Manual

Page 10

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7

9 Wiring

The wiring of the 0871LH1 will depend on the required communication
outputs of your application. If you require the use of the discrete outputs
of the 0871LH1, then refer to section 9.1. If you require the use of the RS-
422 output, then refer to section 9.2.

Please contact a Certified Electrician to properly install the C2673 power
supply. All electrical connections and housings must be installed by a
Certified Electrician.

9

9.1

0871LH1CBL-L Wiring for Discrete Output

Table 2. Datalogger Connections

Description

Pin

Colour

CR3000/CR1000

CR10X/CR510

Ice F

Blue C1

C1

Status G

Yellow C2

C2

RS422 A

D

White

N/C

N/C

RS422 B

E

Brown

N/C

N/C

Power Reference

B

Black

G

G

Case GND

C

Green

G

G

5V Power

Purple

5V

5V

Shield

Clear G

G


The 5VDC connection must be made to avoid damage to the 0871LH1.

Isolate wires that are not connected as they will cause problems if shorted

to ground.

NOTE:

WARNING:

WARNING:

Table 3. Power Connections to Terminal Expander

Description

Pin

Colour

Connection

24VDC A

Red

V+

24VDC Return

B

Black

V-