Product Overview
The Allen-Bradley 1734-IE4C is a POINT I/O Analog Input Module designed for precise current signal acquisition in industrial automation. As part of the Rockwell Automation POINT I/O series, it offers high-density input capability in a compact form factor, reducing panel space while maintaining accuracy.

Technical Specifications Breakdown
Key parameters for the 1734-IE4C are listed below for quick reference:
| Feature | Specification |
|---|---|
| Module Type | Analog Input Module |
| Inputs | Four (4) single-ended, non-isolated |
| Signal Type | Current |
| Input Signal Range | 4…20 mA, 0…20 mA |
| Conversion Type | Delta Sigma |
| Resolution | 16 bits – over 0…21 mA, 0.32 µA/cnt |
| Absolute Accuracy | 0.1% Full Scale @ 25 °C |
| Data Format | Signed Integer |
| Power Dissipation | 0.55 W @ 28.8V DC |
| Thermal Dissipation | 2.0 BTU/hr @ 28.8V DC |
| Key Switch Position | 3 |
| Enclosure Type Rating | Open |
Industry Applications
In process industries, it interfaces with 4-20 mA transmitters for temperature, pressure, or pH sensing. The 16-bit resolution and 0.1% accuracy ensure reliable data for control loops. For cost-sensitive installations, the 1734-IE4C provides a high-density solution, reducing per-point cost compared to lower-channel-count modules. Its compatibility with POINT I/O adapters simplifies integration into existing ControlLogix or CompactLogix systems.

Installation & Setup Guidance
Mount the 1734-IE4C on a compatible terminal base such as the 1734-TB3 or 1734-TB3S wiring base assembly. Ensure backplane power is off before insertion or removal to prevent electrical arcs. Ground the module via the DIN rail to chassis ground using zinc-plated yellow-chromate steel rails. Secure the DIN rail every 200 mm for stability. Use signal wires with 0.25…2.5 mm² (22…14 AWG) solid or stranded copper wire rated at 100 °C or greater, with 1.2 mm insulation.
Maintenance & Reliability
Periodically inspect the module and terminal base for signs of corrosion or loose connections. The open enclosure rating requires installation in a clean, dry environment. Monitor the module status LED for power and fault indications. The channel status LED indicates normal operation or out-of-range conditions. For long-term reliability, avoid exposing the module to excessive vibration or temperature extremes beyond the specified range.
Compatibility & Integration
The 1734-IE4C is compatible with any POINT I/O communication adapter, enabling rack-optimized connections with CompactLogix or ControlLogix controllers. It supports direct connections over the backplane for internet-capable originators. The module uses signed integer data format, with raw values from -32768 to +32767 representing the 0-21 mA range. Channel-level diagnostics and alarming (4 set-points per channel) enhance system monitoring.
Selection Guide & Purchasing Advice
When selecting the 1734-IE4C, verify your system voltage and communication adapter compatibility. AutoDCSTech offers this module with fast shipping and expert support to ensure a smooth procurement process. Contact our team for lifecycle status and availability before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 1734-IE4C |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
