Gf-signet 9900 H COMM Module Manuel d'utilisateur télécharger pdf (Page 2)

9900 H COMM Module Instruction Sheet

If the 9900 Base Unit will be mounted in a panel, plug-in modules may

be installed either before or after the base unit is mounted. If the 9900

Base Unit will be mounted using the accessory wall mount bracket,

install plug-in modules ﬁ rst. If the Direct Conductivity/Resistivity

Module will be included in your unit, install the H COMM module ﬁ rst

and then install Conductivity/Resistivity Module over the H COMM

Module.

To install the H COMM module, carefully align the module pins into its

plug (see illustration) and push the module straight in until the tabs on

the bottom edge snap into place.

To uninstall, squeeze tabs, grasp the module and pull straight out.

3-9900.395

H COMM Module

DC Power

Loop Voltage

–

PLC

Device

Optional ammeter

(recommended for

4 to 20 mA trim only)

Power

Supply

9900 Device

Connections

Loop +

Loop –

(Primary HART Master)

Hand-held device

(Secondary HART Master)

Red

Black

–

Power

Supply

Loop +

Loop –

250 

Load Resistor

Hand-held device

(HART Master)

9900 Device

Connections

Red

Black

Connecting HART with a Loop-powered sensor

Connecting HART to a Hand-Held Master Device

Installation

(Typical installation)

Be careful not to bend the pins when installing or removing the

module to or from the base unit.

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Gf-signet 9900 H COMM Module Manuel d'utilisateur Page 2

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