Allen-Bradley FLEX 1794-IE12 12-Channel Analog Input Module

Overview

The Allen-Bradley 1794-IE12 is a 12-point analog input module from the FLEX I/O series designed for scalable distributed control applications. It provides high-resolution signal acquisition for both voltage and current inputs, offering accuracy and reliability for analog process measurements in industrial automation environments.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Line: FLEX I/O

• Model / Part Number: 1794-IE12

• Product Type: Analog Input Module

• Number of Inputs: 12 single-ended, non-isolated channels

• Resolution:

• Voltage: 320 µV per count

• Current: 0.641 µA per count

• Conversion Method: Successive approximation

• Input Current Range: 4–20 mA

• Calibration: Factory-calibrated (no user adjustment required)

• Status Indicators: One dual-color (green/red) LED for power and module status

• Isolation: Non-isolated single-ended channels

• Dimensions (L x W x H): 5.33 cm × 9.4 cm × 9.4 cm

• Shipping Weight: 2 kg

Key Features

• 12-channel analog input for scalable FLEX I/O applications

• Supports both current and voltage signal processing

• Successive approximation ensures fast and accurate conversions

• Factory-calibrated for plug-and-play reliability

• Compact and modular design simplifies installation and system expansion

Application Scenarios

• Process control and monitoring in manufacturing plants

• Integration with PLC systems for analog signal acquisition

• Measurement of temperature, pressure, and flow in distributed I/O systems

• Ideal for applications requiring high-density analog input capability

FAQs

Q: How many channels does the 1794-IE12 support?
A: It offers 12 single-ended, non-isolated analog input channels.

Q: What signal ranges does it accept?
A: The module accepts both voltage and current signals, including standard 4–20 mA current inputs.

Q: Is calibration required?
A: No user calibration is necessary; the unit is factory-calibrated for long-term accuracy.