Product Details
Product Overview
The Honeywell 51304493-100 serves as a specialized Modem Card within the Honeywell Process Manager (PM) and High Performance Process Manager (HPM) architecture. This PC board facilitates critical data modulation and demodulation, allowing the Process Manager to communicate across the system network with deterministic timing. We provide this component as 100% Brand New and Original, ensuring your control system maintains a high-integrity communication link without the packet loss or latency issues common in aged or repaired modem hardware.
Technical Specifications
The 51304493-100 utilizes industrial-grade communication circuitry designed for long-distance signal stability across the DCS backplane.
| Feature | Specification |
| Manufacturer | Honeywell |
| Part Number | 51304493-100 |
| Product Type | Process Manager Modem Card |
| Category | PC Board PLC / Add-On Board |
| System Compatibility | Honeywell PM / APM / HPM |
| Weight | 0.71 lbs (0.32 kg) |
| Interface | Standard PM/HPM Card Slot |
| Condition | 100% Factory New |
Engineering Advantages
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Synchronous Data Integrity: The 51304493-100 manages complex signal modulation for the Universal Control Network (UCN) or associated proprietary buses. It ensures that every data packet reaches the control processor within the millisecond-range windows required for real-time PID loop execution.
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Superior EMI/RFI Shielding: Industrial environments generate significant electrical noise from high-capacity switchgear and VFDs. This modem card incorporates specialized onboard filtering to reject electromagnetic interference, preventing the signal "chatter" that triggers false communication alarms.
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Low-Power Thermal Design: Despite its high-speed processing, the card operates with a minimal thermal footprint (evidenced by its 0.71 lbs lightweight build). This prevents localized heat buildup in the Process Manager chassis, extending the service life of adjacent processor and I/O cards.
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Factory-Certified Contact Reliability: The board features high-micron gold plating on all backplane connectors. This hardening prevents contact oxidation in humid or corrosive plant atmospheres, solving the industrial pain point of intermittent "Module Missing" faults.
FAQs
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Is this modem card compatible with all HPM versions?
The 51304493-100 is a standard modem interface for the High Performance Process Manager series. Always check your specific system configuration and firmware version to ensure the -100 revision aligns with your current communication bus requirements.
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Does the board require manual frequency tuning?
No. This modem card arrives factory-calibrated to Honeywell's original specifications. Once you seat the card in a properly configured slot, the system automatically initializes the communication parameters.
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What are the primary installation precautions?
You must follow strict ESD (Electrostatic Discharge) protocols. Wear a grounded wrist strap when handling the 51304493-100. Ensure the chassis power is managed according to Honeywell’s hardware guidelines to avoid arcing during insertion into the backplane.
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How do I confirm this is a Brand New Original part?
Every unit ships in its original Honeywell industrial antistatic packaging with a unique serial number and manufacturing barcode. The pristine, unscratched condition of the gold-plated connectors confirms the unit has zero previous field use.
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.































