Allen-Bradley 1738-IE4CM12 ArmorPoint 4-Channel 24V dc Analog Input Module

Description

The Allen-Bradley 1738-IE4CM12 is a 4-channel ArmorPoint analog input module for 24V DC systems. It supports single-ended, non-isolated inputs and delivers precise current measurements with high resolution and advanced filtering options.

Specifications

Input Configuration

• Number of inputs: 4

• Input type: Single-ended, non-isolated

• Current signal range: 0…20 mA, 4…20 mA

• Input impedance: 60 Ω

• Input resolution: 16 bits (0…21 mA), 0.32 μA/count

Accuracy & Performance

• Absolute accuracy: 0.1% Full Scale @ 25°C

• Accuracy drift (temp): 30 ppm/°C

• Conversion type: Sigma Delta

Filtering & Rejection

• Digital filter time constant: 0…10,000 ms (default = 0 ms)

• Common mode rejection ratio: 120 dB

• Normal mode rejection ratio: -60 dB

• Notch filter frequencies:

• 15.7 Hz @ 60 Hz (default)

• 13.1 Hz @ 50 Hz

• 26.2 Hz @ 100 Hz

• 31.4 Hz @ 120 Hz

• 52.4 Hz @ 200 Hz

• 62.9 Hz @ 240 Hz

• 78.6 Hz @ 300 Hz

• 104.8 Hz @ 400 Hz

• 125.7 Hz @ 480 Hz