You are here:
SKU: 1794-IE12

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

The Allen-Bradley 1794-IE12 is a high-density 12-channel analog input module for the FLEX I/O system. It supports 4-20mA and ±10V signals with 16-bit resolution, offering precise data acquisition and rapid conversion rates for advanced industrial process control.

Product Description

The Allen-Bradley 1794-IE12 maximizes system efficiency by providing twelve high-density analog input channels within the compact FLEX I/O platform. This module interfaces seamlessly with a wide array of industrial sensors, supporting both current (0–20mA, 4–20mA) and voltage (±10V DC) signals. By utilizing a 16-bit successive approximation analog-to-digital converter, the 1794-IE12 captures process variables with extreme precision, delivering an accuracy of 0.1% at full scale.

Engineers integrate this module into distributed control systems where space-saving is a priority. The unit snaps directly onto a terminal base, allowing for “Removal and Insertion Under Power” (RIUP), which means technicians can replace modules without disturbing field wiring or shutting down the entire system. To prevent installation errors, the module features a mechanical keyswitch in position 3. Its rugged design withstands harsh industrial conditions, maintaining stable performance in temperatures ranging from -20°C to +60°C. Furthermore, the 1794-IE12 offers a “Quick Step” configuration that slashes conversion times for critical loops, ensuring your PLC receives high-fidelity data exactly when needed for real-time decision-making.

Technical Characteristics

  • Manufacturer: Allen-Bradley / Rockwell Automation
  • Model Number: 1794-IE12
  • Product Line: FLEX I/O
  • Number of Inputs: 12 Single-Ended
  • Resolution: 16-bit (Successive Approximation)
  • Input Ranges: 0–20mA, 4–20mA, ±10V DC
  • Accuracy: 0.1% Full Scale at 25°C
  • Operating Voltage: 10.5–31.2V DC
  • Conversion Rate: 8.0 ms (all channels); 0.09s (Quick Step mode)
  • Step Response: 0.641 μA/count (Current); 320 μV/count (Voltage)
  • Terminal Base Compatibility: 1794-TB3, 1794-TB3S, 1794-TB3G
  • Operating Temperature: -20°C to +60°C (-4°F to 140°F)
  • Shock/Vibration: 30g Operational Shock; 5g Vibration at 10-500Hz
  • Dimensions: 3.5 x 13.0 x 14.5 cm
    Weight: 0.9 kg