Product Details
Product Overview
The 1734sc-IE4CH serves as a specialized high-density analog input module for the Allen-Bradley POINT I/O platform. It provides four channels of 4-20mA analog input while simultaneously enabling HART (Highway Addressable Remote Transducer) protocol communication. This module allows engineers to extract secondary process variables and device diagnostics directly from smart field instruments without additional hardware. We supply this module as 100% Brand New and factory-original, ensuring full hardware integrity for your mission-critical process loops.
Technical Specifications
This module features high-resolution conversion and robust electrical isolation to maintain signal purity in industrial environments.
| Feature | Specification |
| Number of Inputs | 4 Analog + HART Channels |
| Resolution | 16-bit |
| Signal Range | 4–20 mA |
| HART Variables | PV, SV, TV, FV (Primary, Secondary, Tertiary, Quaternary) |
| Accuracy | < 0.1% of range (0 °C to 25 °C) |
| Input Impedance | 250 Ohms (Typical) |
| Sampling Time | 33 ms (@480 Hz) to 488 ms (@50/60 Hz) |
| Overcurrent Protection | 28 mA Continuous |
| Isolation | 50 VDC Field-to-Backplane / 10 VDC Channel-to-Channel |
Engineering Advantages
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HART Data Integration: The 1734sc-IE4CH captures advanced diagnostic data and multi-variable information from smart transmitters. This capability enables predictive maintenance by monitoring device health and secondary process parameters (TV/FV) over the existing 4-20mA wiring.
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High-Precision Signal Processing: The 16-bit resolution ensures granular data acquisition for sensitive applications. It detects minute fluctuations in process variables, allowing the controller to execute more precise adjustments in closed-loop systems.
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Enhanced Channel Isolation: The 10 VDC channel-to-channel isolation minimizes ground loop interference and prevents signal "crosstalk" between adjacent inputs. This ensures that a fault on one instrument does not corrupt the data from the remaining three channels.
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Compact Single-Slot Design: The module fits into a standard POINT I/O base. It provides four HART-enabled channels in a single slot width, maximizing I/O density in small junction boxes and reducing overall cabinet hardware costs.
FAQs
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Does the 1734sc-IE4CH require a specific terminal base?
The module installs into any standard 1734-TB or 1734-TBS terminal base. Ensure the base remains correctly keyed to the analog input module to prevent incorrect module insertion.
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Can I use this module for standard 4-20mA signals without HART?
Yes. The module functions as a high-precision 16-bit analog input module for standard 4-20mA transmitters. You can enable or disable the HART communication features via the software configuration.
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How does the 1734sc-IE4CH handle field-side power?
The module draws backplane power for its internal logic, but you must provide field-side power to your 4-20mA transmitters. Verify that your power supply maintains the required voltage for the 250 Ohm typical impedance of each channel.
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What software environment supports the HART variables?
You configure the 1734sc-IE4CH using Studio 5000 Logix Designer. The HART variables (PV, SV, TV, FV) map directly into the controller's tag database for easy access in your control logic or HMI.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.