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User's Manual 0300215-03 Rev. A

Chapter 1

Module Overview

This chapter describes the 1769sc-IF4IH isolated HART analog input module and

explains how the module reads current, voltage, and current with HART input data.

Included is information about:

• The module’s hardware and diagnostic features

• An overview of the system and module operation

Section 1.1

General

Description

The IF4IH is a four channel isolated module that allows each channel to be configured

independently for either current, voltage, or current with HART communication. The

module digitally converts and stores analog data from any combination mentioned above

as well as HART data for channels configured for HART. Each input channel is

individually configured via software for a specific input device, data format and filter

frequency, and provides over-range and under-range detection and indication.

The tables below list the input types and their associated ranges.

Table 1-1

Curre nt I nput Type s

0 to 20mA

4mA to 20mA

Table 1-2

Voltage Input Types

± 10 V

0 to 10 V

0 to 5 V

1 to 5 V

Section 1.2

Data Formats

The data can be configured on board each module as:

• Engineering units

• Scaled-for-PID

• Percent of full-scale

• Raw/proportional data

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Spectrum-controls 1769sc-HART Modules Bedienungsanleitung Seite 9