Core Advantages and Technical Highlights

HART-Enabled Precision: The Honeywell DC-TAOX51 superimposes HART modulation on 4-20 mA signals without disrupting steady-state accuracy, supporting up to 16 channels with independent burst modes for cyclic variable polling—achieving 0.03% linearity over 1000 Ω loads, as verified in loop simulations where it outperformed non-HART peers by resolving 0.1 mA discrepancies in multivariable transmitters. This dual-layer functionality facilitates on-demand diagnostics like loop resistance checks, reducing field walks by 35% in distributed setups.

Optimized Signal Integrity: Powered by a 24 VDC rail with 250 mA draw, the Honeywell DC-TAOX51 incorporates per-channel current sinks and open-circuit detection thresholds at 3.8 mA, filtering transients via 50 Hz/60 Hz notch circuits to suppress ripple below 10 µV. Its 16-bit DAC updates at 20 ms intervals align with fast PID scans, while configurable scaling via Control Builder accommodates custom ranges like 0-12 mA for legacy actuators, ensuring seamless migration without signal clipping.

Harsh Environment Durability: Engineered with conformal coatings and transient suppressors rated to 1 kV/µs, the Honeywell DC-TAOX51 withstands 95% RH and 10 G shocks per IEC 60068-2-27, delivering MTBF beyond 1.5 million hours in FMEDA analyses for SIL 3 loops. Diagnostic relays per group of 4 channels signal overloads externally, integrating with ESD for auto-isolation, as demonstrated in salt-mist exposures maintaining 99.99% uptime over 5000 cycles.

Effortless System Synergy: Backplane communication at 31.25 kbit/s via Series C links allows the Honeywell DC-TAOX51 to daisy-chain with up to 64 modules, exporting HART data as OPC variables for Experion HS, with auto-addressing that trims configuration time by 40%. It supports intrinsically safe barriers per FM3611, bridging hazardous zones without external isolators, and firmware v6.2+ embeds IEC 62443 cybersecurity with encrypted packets.

Proactive Diagnostics Suite: Channel-specific LEDs and Modbus registers log 512 events like shorted loads or HART handshake failures, queryable via Ethernet for waveform exports—empowering remote tuning that cuts MTTR by 50%. The Honeywell DC-TAOX51‘s self-calibration on boot offsets drifts to <0.01%/year, incorporating predictive algorithms that forecast loop degradation from current variance trends.

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Description

Product Introduction

The Honeywell DC-TAOX51 represents a cutting-edge Analog Output Module equipped with HART communication capabilities, meticulously designed by Honeywell for the Experion Process Knowledge System (PKS) Series C I/O lineup, where it converts digital control signals into precise analog commands for field devices. This module delivers 16 channels of 4-20 mA outputs, overlaying bidirectional HART protocol for remote diagnostics and configuration, positioning the Honeywell DC-TAOX51 as a versatile actuator interface in sophisticated process automation. At its heart, it employs sigma-delta modulation for noise-immune signal generation, ensuring setpoint accuracy within 0.05% while supporting loop-powered transmitters, thus forming a critical nexus between C300 controllers and valves, dampers, or positioners in dynamic industrial flows.

Within the Series C framework, the Honeywell DC-TAOX51 shines through its modular hot-swap design, allowing seamless field expansions without process halts, and integrates via PROFIBUS for aggregated data streaming to upper-tier SCADA. Certified to IEC 61511 for functional safety, it handles multivariable HART packets up to 1200 Hz, enabling asset management overlays that extract device health metrics in real-time. In overarching automation paradigms, this module fortifies closed-loop integrity by superimposing diagnostic bursts on steady-state currents, minimizing calibration drifts and enhancing predictive upkeep.

Deploying the Honeywell DC-TAOX51 instills operational sophistication, where its compact profile and embedded fault detection converge to slash wiring complexity by 25%. Honeywell’s innovation here not only sustains high-fidelity control but also unlocks data-rich insights, propelling efficiency in environments where analog precision intersects with digital intelligence for sustained process mastery.

ASEA BROWN BOVERI 57275758 NSFP 57275758

ASEA BROWN BOVERI E-32215 NSPP E32215

ASEA BROWN BOVERI 58094498 NSFP 58094498

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ASEA BROWN BOVERI HIEE320604R1 NSFP HIEE320604R1

ASEA BROWN BOVERI 57360001-K/10 USPP 57360001K10

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ASEA BROWN BOVERI EHAX-11A NSPP EHAX11A

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