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
-
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.
-
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.
-
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.
-
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
-
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.
-
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.
-
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.
-
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
Marshalling Cabinet Preventive Maintenance: Essential Healthiness Checks for PLC, DCS, and ESD Systems
Marshalling cabinets serve as the vital interface between field instrumentation and control room electronics in modern process facilities. Regular preventive maintenance of these cabinets ensures signal integrity across programmable logic controllers (PLCs), distributed control systems (DCS), and emergency shutdown (ESD) networks. System technicians must execute structured inspection protocols to mitigate environmental risks, identify loose wiring, and maintain continuous operational readiness.
Spatial Computing in Industrial Automation: Elevating PLC and DCS Operations with AR and VR
Industry 4.0 integrates digital intelligence into field operations, transforming factory automation landscapes worldwide. Spatial technologies—specifically Augmented Reality (AR) and Virtual Reality (VR)—redefine how engineers interact with industrial control systems. By bridging computer-generated CAD models with real-time operational technology (OT) data, immersive displays enable intuitive monitoring, rapid diagnostics, and safer maintenance across complex processing facilities.
Master Acceptance Testing: Understanding FAT and SAT in Industrial Control Systems
Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) serve as critical quality assurance gateways in complex industrial control systems. Both procedures verify that programmable logic controllers (PLCs), distributed control systems (DCS), and associated field devices meet strict functional specifications. However, executing these tests effectively requires clear delineation between off-site staging and final field commissioning.