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
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