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General description, General description -2 – Rockwell Automation 1769-OF2 Compact I/O Analog Modules User Manual

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Publication 1769-UM002B-EN-P - July 2005

1-2 Overview

General Description

The 1769-IF4 and -IF8 analog input modules convert and digitally store analog
data for retrieval by controllers, such as the CompactLogix™ or MicroLogix™
1500. The module supports connections from any combination of up to four
voltage or current analog sensors for the 1769-IF4 and up to eight for the
1769-IF8. The high-impedance input channels can be wired as either
single-ended or differential inputs.

The 1769-OF2 output module provides two single-ended analog output
channels, each individually configurable for voltage or current. The
1769-OF8C and -OF8V output modules each provide eight single-ended
analog output channels.

Both modules provide the following input/output types/ranges:

The data can be configured on board each module as:

• Engineering Units
• Scaled-for-PID
• Percent
• Raw/Proportional Data

Table 1.1 Normal and Full Ranges

Normal Operating Input Range

Full Module Range

±10V dc

± 10.5V dc

1 to 5V dc

0.5 - 5.25V dc

0 to 5V dc

-0.5 - +5.25V dc

0 to 10V dc

-0.5 - +10.5V dc

0 to 20 mA

0 - 21 mA

4 to 20 mA

3.2 - 21 mA