1734-IE2C

Overview

1734-IE2C is a 2-channel current input analog module from Allen-Bradley POINT I/O, designed for high-resolution current signal acquisition in distributed control systems.

Input Configuration

• Number of Inputs: 2 single-ended, non-isolated current inputs

• Input Current Range: 0 to 20 mA

• Input Impedance: 60 Ω

• Input Resistance: 60 Ω

Signal Resolution & Accuracy

• Resolution: 16 bits over 0…21 mA (0.32 μA/count)

• Absolute Accuracy: 0.1% Full Scale @ 25°C (77°F)

• Accuracy Drift with Temperature: 30 ppm/°C

Update & Response Timing

• Input Update Rate (per module):

  • 120 ms @ Notch = 50 Hz

  • 100 ms @ Notch = 60 Hz (default)

  • 24 ms @ Notch = 250 Hz

  • 12 ms @ Notch = 500 Hz

• Input Step Response (per channel):

  • 80 ms @ Notch = 50 Hz

  • 70 ms @ Notch = 60 Hz (default)

  • 16 ms @ Notch = 250 Hz

  • 8 ms @ Notch = 500 Hz

• Digital Filter Time Constant: 0 to 10,000 ms (default = 0 ms)

Conversion & Noise Rejection

• Conversion Type: Delta Sigma

• Common Mode Rejection Ratio: 120 dB

• Normal Mode Rejection Ratio: –60 dB

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