Campbell-scientific OBS500 Smart Turbidity Meter with ClearSensor Tech Manuale Utente Scaricare il pdf (Pagina 27)

OBS500 Smart Turbidity Meter with ClearSensor™ Technology

TABLE 7-3. OBS500 Connector Pin-Out

MCIL-8-MP/MCBH-8-FS

Contact Number

Electrical Function

Wire Color

1 Power Ground Black

2 SDI-12/RS232 TX/Analog SS-

BS Control

White

3 Power (9.6 to 15 V) Red

4 Analog Signal Green

5 RS-232 RX/Shutter Open Blue

6 NC

7 Analog Ground Brown

8 NC

No Connection Clear/Braid

This document provides the recommended wiring configuration for connecting

the OBS500 field cable to a Campbell Scientific datalogger. Wiring to

dataloggers or RTUs manufactured by other companies is similar.

Campbell Scientific recommends powering down the system

before wiring the OBS500. The shield wire plays an important

role in noise emissions and susceptibility as well as transient

protection.

7.3.1 SDI-12 Wiring

TABLE 7-4. SDI-12 Wiring

Color

OBS500

Function

CR800,

CR5000,

CR3000,

CR1000

CR200X

Series

CR500,

CR510,

CR23X,

CR10X

Red +12Vdc 12V Battery+ 12V

Black Power Ground G G G

White SDI-12 Signal *Control Port C1/SDI-12 Control Port

Brown

Blue

Green

Clear Shield GND G G

*Only odd control ports can be used for SDI-12 (i.e., C1, C3...)

NOTE

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 63 64

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