Onicon FB-3500 Series Manuel d'utilisateur télécharger pdf (Page 20)

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FB-3500 Bi-Directional Insertion Electromagnetic Flow Meter Manual 05/14 - 0718-3 Page 20

3.5 WIRING CONNECTIONS

Make all connections to the attached 10ft cable.

The most common causes of electronic failures are miswired connections during installation.

When adding additional cable, record and carefully document any substitution of wire colors.

Additional cable may be purchased from ONICON that will allow you to maintain the existing

color coding.

All electrical connections to the FB-3500 must be made through the 10ft cable provided with the

meter. This cable is not designed to be removed in the eld, and any attempt to do so will

compromise the weather tight integrity of the enclosure.

The cable provided contains 22 AWG color-coded wires for signal and power and a separate

18 AWG green/yellow earth wire.

Special care is required to ensure that the FB-3500 is connected to earth through the green/yellow

earth wire. This connection is required to prevent random electrical noise from interfering with

the operation of the meter. (See section 3.5.2 for details.)

CAUTION

Do not attempt to remove the existing cable or to remove the factory installed connection tting.

Doing so will compromise the weather tight integrity of the enclosure and may void the warranty.

CAUTION

Only qualied personnel should attempt to make electrical connections to the FB-3500. Failure

to properly connect the FB-3500 power, signal or earth connections may result in damage to the

FB-3500 and/or to associated peripheral equipment.

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Onicon FB-3500 Series Manuel d'utilisateur Page 20