Allen Bradley | 1734-IE2C | Point I/O Series | Analog Input Module

Product Description

The 1734-IE2C analog input module from Allen Bradley’s Point I/O 1734 series is engineered for precise current signal measurement in distributed control systems. With two single-ended channels and delta-sigma conversion, it provides reliable performance for industrial applications requiring accurate analog input processing.

Technical Specifications

• Manufacturer: Allen Bradley

• Series: Point I/O 1734

• Part Number: 1734-IE2C

• Category: PLCs

• Module Type: Analog Input Module

• Channels: 2 single-ended, non-isolated inputs

• Input Signal Range: 0–20 mA, 4–20 mA

• Resolution: 16-bit (0–21 mA range, 0.32 μA/count)

• Absolute Accuracy: ±0.1% of full scale at 25 °C

• Step Response (per channel):

• 80 ms @ 50 Hz notch

• 70 ms @ 60 Hz notch (default)

• 16 ms @ 250 Hz notch

• 8 ms @ 500 Hz notch

• Update Rate (per module):

• 120 ms @ 50 Hz notch

• 100 ms @ 60 Hz notch (default)

• 24 ms @ 250 Hz notch

• 12 ms @ 500 Hz notch

• Conversion Type: Delta-Sigma

• Calibration: Factory calibrated

• Data Format: Signed integer

• Voltage Supply: 10–28.8 VDC

• Current Draw: 75 mA @ 5 VDC

• Power Dissipation: 0.6 W @ 28.8 VDC

• Maximum Overload Protection: 28.8 VDC fault protected

• Keyswitch Position: 3

• Module Location Compatibility: 1734-TB, 1734-TBS, 1734-TOP, 1734-TOPS wiring base assemblies

• Enclosure Type: Open-style (no enclosure rating)

• Weight: 0.06 lbs (0.03 kg)

Key Features

• Two-channel analog input for current signals.

• Delta-sigma conversion ensures high resolution and accuracy.

• Multiple notch filter settings for optimized signal response.

• Factory calibration for consistent measurement reliability.

• Compact design for Point I/O distributed systems.

Application Scenarios

• Process monitoring requiring precise current measurement.

• Distributed I/O in manufacturing and assembly lines.

• Integration with HMI/SCADA systems for real-time data acquisition.

FAQ

Q: What type of signals does the module accept?  A: It supports current signals in the ranges of 0–20 mA and 4–20 mA.

Q: Is the module isolated?  A: No, the channels are single-ended and non-isolated.

Q: How does this module compare to 1734-IE4C?  A: The 1734-IE2C provides two channels, while the 1734-IE4C offers four channels with similar resolution and accuracy.