Product Details
Product Description
The TC-IOLI01 (51403427-125) is a specialized digital input interface designed for Honeywell’s legacy I/O Link architectures. This module functions as a critical bridge within the process control environment, allowing high-voltage AC field signals to be interpreted by the low-voltage DC logic of the controller backplane. Engineered for the Experion PKS and High-Performance Process Manager (HPM) systems, it provides precise monitoring of discrete field states while ensuring electrical isolation to protect core system hardware from industrial transients.
Technical Specifications
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Model Identification: TC-IOLI01
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Associated Part Number: 51403427-125
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Primary Function: Digital Input / I/O Link Interface
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Nominal Input Voltage: 120 VAC
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Frequency Compatibility: 50/60 Hz
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Input Current Rating: 13 mA (typical)
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Backplane Logic Power: 24 VDC
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Form Factor: Chassis-mounted PLC Module
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Net Weight: 0.45 kg (approx. 1.00 lbs)
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Lifecycle Status: Discontinued by Manufacturer (Legacy Spares Support)
Operational Reliability and Utility
The TC-IOLI01 (51403427-125) is typically deployed in aging process control networks where 120 VAC discrete devices—such as limit switches, motor auxiliary contacts, and pushbutton stations—must be integrated into the control strategy. Despite its "Discontinued" status, it remains a vital component for engineers maintaining critical infrastructure, offering a far more cost-effective alternative to full system migrations. Its robust 1.00 lb construction is indicative of the heavy-duty shielding and isolation transformers required for stable 120V signal processing in noisy electrical environments.
Frequently Asked Questions
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Can this module be used with 240 VAC inputs?
No, the TC-IOLI01 is specifically rated for 120 VAC nominal input. Applying higher voltages will lead to internal component failure and potential backplane damage.
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Is the 51403427-125 part number interchangeable with the TC-IOLI01?
Yes, 51403427-125 is the official Honeywell manufacturing part number for the TC-IOLI01 module assembly, and they are functionally identical for all I/O Link applications.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.