1734-IE2C | Allen-Bradley POINT I/O 2-Channel Analog Current Input Module
1734-IE2C | Allen-Bradley POINT I/O 2-Channel Analog Current Input Module
1734-IE2C | Allen-Bradley POINT I/O 2-Channel Analog Current Input Module
    1734-IE2C | Allen-Bradley POINT I/O 2-Channel Analog Current Input Module
1734-IE2C | Allen-Bradley POINT I/O 2-Channel Analog Current Input Module

1734-IE2C | Allen-Bradley POINT I/O 2-Channel Analog Current Input Module

Part #: 1734-IE2C Manufactured by: Allen-Bradley
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Product Overview
Allen-Bradley 1734-IE2C POINT I/O 2-Channel Analog Current Input Module 24V DC
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Product Description P/N: 1734-IE2C

Description / Specifications

Description 

The 1734-IE2C is an analog input module that is part of Allen-Bradley’s POINT IO product family. This module features Two (2) single-ended, non-isolated Current input channels. Each channel is configurable for 0-20 mA and 4-20 mA output signals with 16 bits resolution - over 0...21 mA 0.32 μA/cnt. It is compatible with any POINT IO communication adapter, typically used for implementing distributed I/O architecture. This module requires 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS wiring base assemblies.

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1734-IE2C
Module Location 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS wiring base assembly
Keyswitch position 3
Enclosure type rating None (open-style)
Dimensions 56 x 12 x 75.5 mm (2.2 x 0.47 x 2.97 in.)
Power Dissipation 0.6 W @ 28.8V DC
Current Draw 75 mA @5V dc
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
Absolute Accuracy 0.1% Full Scale @ 25 Deg. Celsius
Output signal 0-20 mA; 4-20 mA
No. of outputs Two (2) Single-ended, non-isolated channels
Series POINT I/O
Module Type Analog Input Module
Resolution 16 bits – over 0...21 mA 0.32 μA/cnt
Inputs 2-Point
Conversion Type Delta Sigma
Calibration Factory Calibrated
Max Overload Fault Protected 28.8 Volts DC
Enclosure Type Open
Data Format Signed Integer
Voltage 10 to 28.8 Volts DC
Current 10 mA

  

 

Information About 1734-IE2C

The 1734-IE2C module is a member of the Allen-Bradley 1734 series of distributed I/O modules. This module operates at an input current of 4 to 20 mA or one of 0 to 20 mA. For wiring input signals, recommended wire size is 22 to 14 AWG solid or stranded shielded copper wire rated at 167 degrees Fahrenheit or higher.

This module weighs approximately 0.036 kilograms or 0.08 pounds. In addition, it has an open-style enclosure type rating and it has dimensions of 56 x 12 x 75.5 millimeters or 2.21 x 0.47 x 2.97 inches. The 1734-IE2C’s compact design makes installation easy and it can be mounted horizontally or vertically.

The 1734-IE2C POINT I/O current input analog module has 2 single-ended, non-isolated channels. It gives 16 bits across a 0 to 21 mA resolution. When mounting to a terminal base, position the key switch at 3. The 1734-IE2C is a 2-channel module that converts an analog input current to a digital value and reads a current input between 0 to 20 mA or 4 to 20 mA depending on the mode that is selected. The supported networks include ControlNet, DeviceNet, and EtherNet/IP. Moreover, the 1734-IE2C uses an external DC power supply rated at 10 to 28.8 Volts DC and 24 Volts DC nominal, and it uses a current with a 10 mA rating. The 1734-IE2C is rated to withstand 2550 Volts DC for 60 seconds and it has 50 Volts of continuous isolation voltage. It gives off a maximum power dissipation of 0.6 W at 28.8 Volts DC and a maximum thermal dissipation of 2.0 BTU/hour at 28.8 Volts DC.

The 1734-IE2C is basically an analog input card that requires a terminal base to function. Compatible terminal bases for use with this analog input module include 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS. This module support vertical and horizontal mounting and support mounting to a standard 35 mm DIN rail. When mounting the module to the appropriate terminal base, the module’s keyswitch must be positioned at position 3.

The 1732-IE2C has an internal Analog to Digital (ADC) converter which has a conversion resolution of 16 bits – over 0...21 mA 0.32 μA/cnt using Delta-Sigma conversion. Converted data is stored in Signed Integer format with absolute accuracy of 0.1% Full Scale @ 25 °C (77 °F) with accuracy drift of 30 ppm/°C.

The 1734-IE2C is compatible for use with any Allen-Bradley controller platform. Most especially, it is well suited with the Logix product family specifically, CompactLogix and ControlLogix controller platforms. This module supports a variety of communication adapters which enable the module to communicate to the master controller over a particular industrial protocol.





Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1734-IE2C
Question: What is the 1734-IE2C module?
Date Update:19/06/2025
Answer:

The 1734-IE2C is a two-channel analog input module from the Allen-Bradley POINT I/O series. It is designed to measure analog current signals in the ranges of 0–20 mA or 4–20 mA, making it suitable for a wide variety of industrial sensing applications. The module uses Delta-Sigma analog-to-digital conversion with a resolution of 16 bits over 0–21 mA, offering high accuracy and stability. It is compact and mounts to a compatible POINT I/O terminal base such as 1734-TB or 1734-TOPS. The module plays a key role in distributed I/O systems with EtherNet/IP, ControlNet, or DeviceNet communications.

Question: What does the red light mean on a 1734-IE2V?
Date Update:19/06/2025
Answer:

The question refers to the 1734-IE2V, which is a voltage analog input module, not the 1734-IE2C, which is designed for current signals. However, both modules are part of the POINT I/O family and use similar LED indicators. A red LED typically signals a fault condition such as an input overrange, open wire, or power issue. While the 1734-IE2C does not have unique LED behaviors compared to IE2V, any red light on a POINT I/O module should be checked through Studio 5000 diagnostics or by verifying wiring and configuration. It's essential to consult the module’s specific user manual for exact LED fault definitions.

Question: What is the power consumption of the 1734-IE2C?
Date Update:19/06/2025
Answer:

The module consumes 75 mA at 5V DC, with a maximum power dissipation of 0.6 Watts at 28.8V DC. It also produces a thermal output of 2.0 BTU/hour, which should be considered when designing enclosures with limited airflow. This efficient power usage enables it to function well in compact systems. The low power draw makes it ideal for dense POINT I/O installations with many modules on a single backplane.

Question: What is the update and response time of the inputs?
Date Update:19/06/2025
Answer:

Input update time per module depends on the digital notch filter setting: 100 ms at 60 Hz (default), down to 12 ms at 500 Hz. Similarly, step response per channel ranges from 70 ms to as fast as 8 ms, also filter-dependent. These rates enable fast and flexible performance tuning based on application demands. Faster settings provide better response, while slower filters reduce noise. Configuration is managed through the I/O tree in Studio 5000 software.

Question: Is the 1734-IE2C still being manufactured?
Date Update:19/06/2025
Answer:

Yes, as of current Rockwell Automation documentation, the 1734-IE2C remains actively manufactured and supported. It is part of the modern POINT I/O platform used for scalable distributed I/O systems. While availability can vary by region or distributor, the module is widely used in CompactLogix and ControlLogix architectures. For the most up-to-date status, the Rockwell Product Lifecycle Status tool should be consulted. Long-term support is typically available for critical spares and replacements.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The 1734-IE2C is an analog input module that is part of Allen-Bradley’s POINT IO product family. This module features Two (2) single-ended, non-isolated Current input channels. Each channel is configurable for 0-20 mA and 4-20 mA output signals with 16 bits resolution - over 0...21 mA 0.32 μA/cnt. It is compatible with any POINT IO communication adapter, typically used for implementing distributed I/O architecture. This module requires 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS wiring base assemblies.

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1734-IE2C
Module Location 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS wiring base assembly
Keyswitch position 3
Enclosure type rating None (open-style)
Dimensions 56 x 12 x 75.5 mm (2.2 x 0.47 x 2.97 in.)
Power Dissipation 0.6 W @ 28.8V DC
Current Draw 75 mA @5V dc
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
Absolute Accuracy 0.1% Full Scale @ 25 Deg. Celsius
Output signal 0-20 mA; 4-20 mA
No. of outputs Two (2) Single-ended, non-isolated channels
Series POINT I/O
Module Type Analog Input Module
Resolution 16 bits – over 0...21 mA 0.32 μA/cnt
Inputs 2-Point
Conversion Type Delta Sigma
Calibration Factory Calibrated
Max Overload Fault Protected 28.8 Volts DC
Enclosure Type Open
Data Format Signed Integer
Voltage 10 to 28.8 Volts DC
Current 10 mA

  

 

Information About 1734-IE2C

The 1734-IE2C module is a member of the Allen-Bradley 1734 series of distributed I/O modules. This module operates at an input current of 4 to 20 mA or one of 0 to 20 mA. For wiring input signals, recommended wire size is 22 to 14 AWG solid or stranded shielded copper wire rated at 167 degrees Fahrenheit or higher.

This module weighs approximately 0.036 kilograms or 0.08 pounds. In addition, it has an open-style enclosure type rating and it has dimensions of 56 x 12 x 75.5 millimeters or 2.21 x 0.47 x 2.97 inches. The 1734-IE2C’s compact design makes installation easy and it can be mounted horizontally or vertically.

The 1734-IE2C POINT I/O current input analog module has 2 single-ended, non-isolated channels. It gives 16 bits across a 0 to 21 mA resolution. When mounting to a terminal base, position the key switch at 3. The 1734-IE2C is a 2-channel module that converts an analog input current to a digital value and reads a current input between 0 to 20 mA or 4 to 20 mA depending on the mode that is selected. The supported networks include ControlNet, DeviceNet, and EtherNet/IP. Moreover, the 1734-IE2C uses an external DC power supply rated at 10 to 28.8 Volts DC and 24 Volts DC nominal, and it uses a current with a 10 mA rating. The 1734-IE2C is rated to withstand 2550 Volts DC for 60 seconds and it has 50 Volts of continuous isolation voltage. It gives off a maximum power dissipation of 0.6 W at 28.8 Volts DC and a maximum thermal dissipation of 2.0 BTU/hour at 28.8 Volts DC.

The 1734-IE2C is basically an analog input card that requires a terminal base to function. Compatible terminal bases for use with this analog input module include 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS. This module support vertical and horizontal mounting and support mounting to a standard 35 mm DIN rail. When mounting the module to the appropriate terminal base, the module’s keyswitch must be positioned at position 3.

The 1732-IE2C has an internal Analog to Digital (ADC) converter which has a conversion resolution of 16 bits – over 0...21 mA 0.32 μA/cnt using Delta-Sigma conversion. Converted data is stored in Signed Integer format with absolute accuracy of 0.1% Full Scale @ 25 °C (77 °F) with accuracy drift of 30 ppm/°C.

The 1734-IE2C is compatible for use with any Allen-Bradley controller platform. Most especially, it is well suited with the Logix product family specifically, CompactLogix and ControlLogix controller platforms. This module supports a variety of communication adapters which enable the module to communicate to the master controller over a particular industrial protocol.





Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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