1746-NI8

Overview

• Model Number: 1746-NI8
• Brand: Allen-Bradley
• Type: SLC 500 Analog Input Module

Current Consumption

• Backplane Current: 200 mA at 5V DC, 100 mA at 24V DC
• Power Consumption: 3.4W maximum (1.0W @ 5V DC, 2.4W @ 24V DC)

Input Details

• Number of Channels: 8 (backplane isolated)
• I/O Location: Any I/O module slot except slot 0
• A/D Conversion: Successive approximation, switched capacitor
• Input Filtering: Low pass digital filter with programmable filter frequencies
• Filter Frequencies: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz, 50 Hz, 75 Hz

Rejection Performance

• Normal Mode Rejection: Provided by low-pass filter
• Common Mode Rejection:
  • ≥ 75 dB at DC
  • ≥ 100 dB at 50/60 Hz

Calibration & Isolation

• Calibration: Continuous autocalibration
• Isolation:
  • 50V DC continuous between the analog inputs and the backplane
  • 530V AC and 750V DC pulse withstand for 1 second

Voltage Range

• Common Mode Voltage: ±10.5V (21V maximum between any two terminals)

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