Rosemount 848T Uživatelský manuál stáhnout pdf (Strana 9)

Quick Start Guide

January 2015

4. Ground FOUNDATION fieldbus signal wiring shield at the power supply end.

Analog device inputs

1. Ground analog signal wire at the power supply of the analog devices.

2. Ensure the analog signal wire and the F

OUNDATION fieldbus signal wire shields

are electrically isolated from the transmitter enclosure.

3. Do not connect the analog signal wire shield to the F

OUNDATION fieldbus signal

wire shield.

4. Ground F

OUNDATION fieldbus signal wire shield at the power supply end.

Transmitter enclosure (optional)

Ground in accordance with local electrical requirements.

A. Sensor Wires

B. 848T

C. Power Supply

D. Shield Ground Point

A. Analog Device Power Supply

B. 4-20 mA loop

C. Analog Device

D. 848T

E. FOUNDATION fieldbus

F. Power Supply

G. Shield ground points

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Rosemount 848T Uživatelský manuál Strana 9