HONEYWELL DC-TAOX51 51307717-175 Analog Output Circuit Board – TDC 3000 Distributed Control System
When a critical analog output channel fails on a Honeywell TDC 3000 distributed control system, the consequences ripple instantly across the entire process loop — actuators lose their command signals, control valves freeze in last position, and operators are forced into manual override on a system never designed for it. In refinery columns, chemical reactors, and power generation units, even minutes of uncontrolled operation can trigger safety shutdowns, product loss, or equipment damage worth far more than any spare part. The HONEYWELL DC-TAOX51 51307717-175 Analog Output Circuit Board is the precision replacement that restores full closed-loop control without compromise.
The DC-TAOX51 (part number 51307717-175) is a factory-designated analog output module within Honeywell’s legendary TDC 3000 platform — one of the most widely deployed DCS architectures in global heavy industry since the 1980s. This board occupies a mission-critical role in the High-Performance Process Manager (HPPM) and Process Manager (PM) subsystems, providing the conditioned 4–20 mA output signals that drive field instrumentation. With thousands of TDC 3000 systems still in active service across petrochemical, pulp & paper, and power industries worldwide, the DC-TAOX51 51307717-175 remains an essential MRO component for plant reliability engineers and DCS maintenance teams.
Technical Specifications
- Manufacturer: Honeywell Process Solutions
- Part Number: DC-TAOX51 / 51307717-175
- Module Type: Analog Output Circuit Board
- Platform: Honeywell TDC 3000 DCS (HPPM / PM)
- Output Signal: 4–20 mA analog (standard industrial)
- Form Factor: Plug-in circuit board module
- Weight: Approx. 220 g
- Condition: New surplus / Refurbished tested (specify on inquiry)
Note: All specifications are based on Honeywell published documentation. Konmask.com does not fabricate or alter any technical parameters.
Key Features & Benefits
- Drop-in Replacement: Direct form-fit-function substitute for the original DC-TAOX51 51307717-175 — no firmware changes or reconfiguration required in most installations.
- Precision Analog Output: Delivers stable, noise-free 4–20 mA signals essential for accurate valve positioning and actuator control in closed-loop processes.
- TDC 3000 Platform Compatibility: Engineered specifically for Honeywell’s HPPM and PM subsystems, ensuring seamless backplane communication and I/O addressing.
- Extended Plant Life Support: Enables continued operation of legacy TDC 3000 systems without costly full-system migrations.
- Rapid Restoration: Plug-in module design allows hot-swap replacement during scheduled maintenance windows, minimizing process downtime.
- Tested Before Shipment: Each unit undergoes functional verification prior to dispatch from our warehouse.
Industry & Equipment Applications
- Oil & Gas / Petrochemical: Refinery distillation columns, crude unit control, compressor anti-surge systems
- Chemical Manufacturing: Reactor temperature and pressure loop control, batch process management
- Power Generation: Boiler combustion control, turbine governor systems, feedwater regulation
- Pulp & Paper: Digester control, bleach plant automation, recovery boiler management
- Pharmaceuticals: Validated process control systems requiring traceable DCS components
- Water & Wastewater: Pump station control, chemical dosing systems
System Integration & Compatible Parts
The DC-TAOX51 51307717-175 operates within the Honeywell TDC 3000 ecosystem. Commonly paired or replaced alongside:
- DC-TAIX51 / 51307717-xxx — Analog Input modules (companion I/O boards)
- DC-PDIX51 / DC-PDOX51 — Digital I/O modules for the same PM/HPPM chassis
- TDC 3000 HPPM Processor Cards and Power Supply modules
- Honeywell UCN (Universal Control Network) interface components
Contact our technical team with your full system configuration for compatibility confirmation before ordering.
Our Quality Assurance Process
- Visual Inspection: Board-level examination for physical damage, corrosion, or component anomalies
- Functional Test: Power-on verification and output signal testing where applicable
- ESD-Safe Handling: All boards handled and packaged in anti-static materials throughout the process
- Traceability: Part number and revision level verified against Honeywell documentation prior to shipment
- Secure Packaging: Double-boxed with foam cushioning for international freight protection
How to Order
- Submit your inquiry via the Contact / RFQ form on this page or email [email protected]
- Provide your required quantity, delivery timeline, and destination country
- Our team will respond with availability confirmation, lead time, and a formal quotation within 24 hours
- Upon PO acceptance, we arrange export documentation and international shipping (DHL / FedEx / sea freight)
Why Choose Konmask.com?
- 🔧 Industrial Automation Specialists: Focused exclusively on DCS, PLC, and industrial control components — not a general electronics reseller
- 🌍 Global Export Experience: Serving buyers in 40+ countries with compliant export documentation and reliable logistics
- ✅ Verified Stock: Every part is physically inspected and verified before listing — no phantom inventory
- ⚡ Fast Response: RFQ responses within 24 business hours; urgent inquiries prioritized
- 🤝 B2B Partnership: Long-term supplier relationships with volume pricing, blanket orders, and dedicated account support
Frequently Asked Questions
Q: Is the DC-TAOX51 51307717-175 a new or refurbished part?
A: We stock both new surplus (unused, original packaging) and professionally refurbished units. Please specify your preference in your inquiry and we will confirm current availability for each condition.
Q: Can this board be used in both HPPM and PM subsystems?
A: The DC-TAOX51 is designed for the TDC 3000 platform. Compatibility with specific subsystem variants (HPPM vs. PM) depends on your chassis revision. Please share your system configuration details and we will confirm compatibility.
Q: Do you provide a warranty?
A: Yes. We offer a standard 90-day warranty against defects in materials and workmanship. Extended warranty options are available for volume orders — contact us for details.
Q: What is the lead time for international shipment?
A: In-stock items typically ship within 3–5 business days after PO confirmation. Express delivery via DHL/FedEx is available for urgent requirements.
Q: Can you supply other Honeywell TDC 3000 spare parts?
A: Yes. Konmask.com maintains an extensive inventory of Honeywell TDC 3000, Experion PKS, and Safety Manager components. Submit your full BOM or parts list for a consolidated quotation.
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