Product Details
Product Overview
The Honeywell 51304493-250 functions as the primary Modem Communication Card for the Advanced Process Manager (APM) subsystem. This critical interface board modulates and demodulates data streams between the APM controller and the system network, ensuring deterministic data throughput in Honeywell TDC 3000 and Experion environments. We supply this module as 100% Brand New and Original, providing a factory-certified solution to eliminate communication timeouts and packet drops common in aging process manager hardware.
Technical Specifications
The 51304493-250 features a high-performance design capable of operating in the most demanding industrial thermal environments.
| Feature | Specification |
| Manufacturer | Honeywell |
| Model Number | 51304493-250 |
| Product Type | APM Modem Communication Card |
| Operating Voltage | 24 VDC |
| Current Consumption | 100 mA |
| Operating Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% (non-condensing) |
| Dimensions | 6.4 x 6.4 x 1.3 cm |
| Weight | 300 grams |
| Country of Origin | USA |
Engineering Advantages
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Extreme Thermal Resilience: This card operates across a massive temperature gradient from -40°C to +85°C. This wide range solves the industrial pain point of hardware failure in non-climate-controlled remote instrument enclosures or desert-based processing facilities.
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Ultra-Low Power Efficiency: With a current draw of only 100 mA at 24 VDC, the 51304493-250 generates negligible heat. This prevents the thermal "heat-soak" effect often seen in densely packed DCS racks, protecting adjacent processor cards from premature aging.
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High-Fidelity Signal Processing: The card utilizes advanced filtration logic to suppress RFI (Radio Frequency Interference) and EMI (Electromagnetic Interference). This ensures stable communication even when the APM chassis sits near high-current switchgear or VFD motor controllers.
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Compact Integration: The small 6.4 cm square footprint allows for easy installation in high-density APM backplanes. Its precision-engineered gold edge connectors guarantee a gas-tight fit, preventing intermittent "Link Fail" alarms caused by contact oxidation in humid atmospheres.
FAQs
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Does the 51304493-250 require manual frequency calibration?
No. This modem card arrives factory-calibrated to Honeywell’s precise signal standards. Once you seat the card in the correct slot, the APM firmware automatically initializes the communication parameters without user intervention.
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Can this card replace the -100 or -200 series modem cards?
The -250 revision typically offers enhanced thermal specs and updated component logic. While generally backward compatible within the APM architecture, always verify your system's current firmware and bus loading requirements before hot-swapping.
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What are the primary installation precautions?
Always wear a grounded ESD wrist strap when handling the card. Ensure the 24V DC power source is stable and free from spikes. Align the board carefully with the backplane guides to prevent bending the high-density connector pins during insertion.
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How do I confirm the 100% Brand New status?
Every unit ships in original Honeywell industrial antistatic packaging with a verifiable factory serial number. The zero-hour status ensures that the gold-plated contacts show no insertion marks or oxidation, providing the full original MTBF.
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 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.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.