Product Details
Product Overview
The Honeywell 51400668-100 functions as a high-performance, high-density analog input/output module for advanced Distributed Control Systems (DCS). This universal hardware card manages 16 isolated channels, processing both standard 4-20mA current loops and superimposed HART Frequency Shift Keying (FSK) digital signals concurrently. We distribute this mission-critical automation card exclusively in 100% brand new, original factory-sealed condition to ensure zero calibration drift and enable instant connection to intelligent field instruments.
Technical Specifications
| Parameter | Specification |
| Manufacturer | Honeywell |
| Model Number | 51400668-100 |
| Channel Capacity | 16 Channels (Isolated Analog Input / Analog Output) |
| Signal Interface | 4-20mA with HART FSK Superimposed |
| Conversion Hardware | 16-bit Analog-to-Digital Converter (ADC) / 15-bit DAC |
| Measurement Accuracy | ±0.05% of span (AI) / ±0.1% of span (AO) |
| Channel Update Rate | 50ms per channel maximum |
| HART Protocol Support | Full HART 7 compliance (captures PV, SV, TV, QV data) |
| Galvanic Isolation | 1500V AC channel-to-channel and channel-to-logic |
| Common Mode Rejection | >120dB at 50/60Hz |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
Engineering Advantages
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Extracts Rich Asset Diagnostics: The module reads full HART 7 protocol structures directly. This allows the host controller to extract Primary, Secondary, Tertiary, and Quaternary Variables (PV/SV/TV/QV) from smart transmitters without adding separate multiplexer hardware.
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Neutralizes High-Voltage Ground Faults: Robust galvanic isolation structures withstand up to 1500V AC continuously between channels. This protection blocks high-voltage transients, interrupts severe ground loops, and keeps common-mode noise (>120dB) from corrupting the internal 16-bit conversion logic.
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Thrives in Unconditioned Field Cabinets: Premium electronic components expand the operational envelope from -40°C up to +70°C. This wide thermal range eliminates the need for expensive cooling fans or cabinet heaters in remote, harsh environments.
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Captures Rapid Process Transients: The high-speed processing engine delivers an update rate of 50ms per channel. This rapid scan cycle ensures precise, real-time tracking of volatile pressure and flow loops on the production floor.
FAQs
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Can this module substitute for old, non-HART analog cards?
Yes. The 51400668-100 handles standard 4-20mA legacy signals seamlessly. Upgrading to this module allows you to introduce smart HART instruments later without swapping out your control hardware again.
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Is this card a pull-out surplus unit or a refurbished component?
No. We sell this item strictly as a 100% brand new, factory-original product. It arrives in its original manufacturer anti-static packaging with all tracking barcodes and factory quality-assurance seals completely intact.
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What installation steps protect the module from static damage?
Always power down the destination chassis before inserting the card. Wear a verified, grounded electrostatic discharge (ESD) wrist strap and slide the module smoothly into the slot guides until the backplane connectors seat firmly.
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
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