Description

The 1738-IE4CM12 by Allen-Bradley is a 4-channel analog input module from the ArmorPoint series. It supports 24V DC inputs and provides high precision with a wide range of filtering and rejection capabilities. This module is ideal for applications requiring reliable and accurate measurement of analog signals such as 4-20 mA and 0-20 mA inputs.

Specifications

• Number of Inputs: 4

• Input Point Density: 4 single-ended, non-isolated

• Input Signal Range:

• 4…20 mA

• 0…20 mA

• Accuracy: 0.1% Full Scale @ 25°C

• Accuracy Drift (Current Input): 30 ppm/°C

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

• Common Mode Rejection Ratio: 120 dB

• Input Conversion Type: Sigma Delta

• Input Impedance: 60 Ω

• Normal Mode Rejection Ratio: -60 dB

• Notch Filter:

• 15.7 Hz @ Notch = 60 Hz (default)

• 13.1 Hz @ Notch = 50 Hz

• 26.2 Hz @ Notch = 100 Hz

• 31.4 Hz @ Notch = 120 Hz

• 52.4 Hz @ Notch = 200 Hz

• 62.9 Hz @ Notch = 240 Hz

• 78.6 Hz @ Notch = 300 Hz

• 104.8 Hz @ Notch = 400 Hz

• 125.7 Hz @ Notch = 480 Hz