• Allen-Bradley 1794-IE12
  • Allen-Bradley 1794-IE12
  • Allen-Bradley 1794-IE12
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Allen-Bradley 1794-IE12 FLEX I/O 12-Channel Analog Input Module

Allen-Bradley 1794-IE12 FLEX I/O 12-Channel Analog Input Module

The Allen-Bradley 1794-IE12 is a high-density analog input module designed for the FLEX I/O distributed I/O system. It provides 12 single-ended input channels capable of processing voltage or current signals,...

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Availability: Low stock: 1 left

SKU: 1794-IE12
Vendor: Allen-Bradley
Category: Analog Input Module
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The Allen-Bradley 1794-IE12 is a high-density analog input module designed for the FLEX I/O distributed I/O system. It provides 12 single-ended input channels capable of processing voltage or current signals, making it an ideal solution for monitoring process variables such as pressure, flow, and temperature in industrial control environments.

Features

  • High-density 12-channel configuration for space-efficient cabinet design.
  • Supports both current (0-20 mA, 4-20 mA) and voltage (+/- 10V) input ranges.
  • 16-bit resolution for high-precision signal conversion.
  • Supports Removal and Insertion Under Power (RIUP), allowing for maintenance without shutting down the entire system.
  • Configurable digital filtering to minimize signal noise.
  • Robust isolation between field-side signals and the system backplane.

Applications

  • Packaging and bottling line flow and temperature monitoring.
  • Assembly automation systems requiring torque or vibration data acquisition.
  • Fluid handling and chemical dosing systems for pH and flow control.
  • Remote wellhead pressure and flow monitoring in oil and gas applications.
  • Large-scale industrial HVAC climate control systems.

Technical Specifications

Model 1794-IE12
Number of Inputs 12 single-ended
Input Resolution 16 bits
Voltage Terminal Resolution 320 uV/cnt
Current Terminal Resolution 0.641 uA/cnt
Input Conversion Rate 8.0 ms (all channels)
Max Voltage Overload 30V continuous
Input Ranges +/- 10V, 0-20 mA, 4-20 mA
Enclosure Rating IP20

Installation Guidelines

  • Keyswitch Setting: Before installing the module, set the mechanical keyswitch on the 1794-TB3G or 1794-TB3GS terminal base to position 3 to ensure compatibility with the 1794-IE12.
  • Mounting: Align the module's alignment bar with the groove on the terminal base and press down firmly until the latching mechanism engages.
  • FLEXBus Connection: Ensure the FLEXBus connector is fully seated to the left to establish a reliable connection with the adjacent adapter or terminal base.
  • Handling: Always handle the module with care to avoid bending the pins on the bottom connector. Ensure the system is free of debris before insertion.

FAQ

What is the primary function of the 1794-IE12?

The 1794-IE12 is an analog input module that converts real-world analog signals into digital data for use by a PLC or PAC within the FLEX I/O platform.

Does this module support hot-swapping?

Yes, the 1794-IE12 supports Removal and Insertion Under Power (RIUP), which allows for module replacement while the system remains powered.

Are the channels independently configurable?

No, the channels on the 1794-IE12 are configured in pairs (e.g., 0 and 1, 2 and 3) rather than individually.