Honeywell MU-TAOX12 Analog Output Redundancy Board – Experion PKS Series
When an analog output module fails without redundancy protection in a critical process control environment, the consequences can be immediate and severe: uncontrolled valve positions, runaway process variables, emergency shutdowns, and costly production losses measured in thousands of dollars per hour. In petrochemical plants, power generation facilities, and pharmaceutical manufacturing lines, a single point of failure in the output chain is simply not acceptable. The Honeywell MU-TAOX12 51304335-100 Analog Output Redundancy Board exists precisely to eliminate that vulnerability — providing seamless, bumpless switchover that keeps your process running even when the primary output module encounters a fault.
The MU-TAOX12 (part number 51304335-100) is a purpose-engineered redundancy termination board within Honeywell’s Experion PKS (Process Knowledge System) platform — one of the most widely deployed DCS architectures in global heavy industry. Designed to work in tandem with the MC-TAOX12 Analog Output I/O module, this board forms the backbone of a fault-tolerant 4–20 mA output subsystem. Its position in the Experion PKS ecosystem places it at the intersection of field-proven reliability and modern process automation architecture, trusted by engineers across refining, LNG, power, and specialty chemicals worldwide.
Technical Specifications
- Part Number: MU-TAOX12 / 51304335-100
- Manufacturer: Honeywell Process Solutions
- Series: Experion PKS (Process Knowledge System)
- Function: Analog Output Redundancy Termination Board
- Compatible I/O Module: MC-TAOX12 Analog Output Module
- Signal Type: 4–20 mA analog output (industry standard)
- Redundancy Type: Hot-standby, bumpless switchover
- Mounting: DIN-rail / cabinet panel mount (Experion I/O enclosure)
- Operating Temperature: Per Honeywell Experion PKS environmental specifications
- Certifications: CE, UL/cUL (per Honeywell product documentation)
- Weight: Approx. 520 g
Note: All specifications are sourced from Honeywell official documentation. Konmask.com does not fabricate or modify manufacturer specifications.
Key Features & Benefits
- Bumpless Redundancy Switchover: Automatic, seamless transfer from primary to backup output module with zero process disturbance — critical for tight-loop control applications.
- 12-Channel Analog Output Support: Supports up to 12 independent 4–20 mA output channels per termination assembly, maximizing I/O density in cabinet space.
- Native Experion PKS Integration: Plug-and-play compatibility within the Honeywell Experion PKS architecture — no additional configuration adapters required.
- High MTBF Design: Engineered to Honeywell’s stringent reliability standards for continuous 24/7 industrial process environments.
- Simplified Maintenance: Modular design allows replacement of the primary I/O module without interrupting field wiring or process output — reducing MTTR significantly.
- Field-Proven Reliability: Deployed in thousands of Experion PKS installations globally across refining, power, and chemical industries.
Industry & Equipment Applications
- Oil & Gas / Refining: Crude distillation unit (CDU) control, compressor anti-surge control, fired heater management
- LNG & Gas Processing: Liquefaction train control, separator level and flow control loops
- Power Generation: Boiler combustion control, turbine governor output, feedwater control
- Petrochemicals & Specialty Chemicals: Reactor temperature and pressure control, distillation column management
- Pharmaceutical Manufacturing: GMP-compliant process control with redundant output integrity
- Pulp & Paper / Mining: Continuous process lines requiring high-availability output control
System Integration & Compatible Parts
The MU-TAOX12 is designed to operate within the Honeywell Experion PKS I/O subsystem. Key compatible and associated components include:
- MC-TAOX12 — Primary Analog Output I/O Module (direct pair)
- MU-TAIX12 — Analog Input Redundancy Termination Board (complementary input-side redundancy)
- MC-TAIX12 — Analog Input I/O Module
- CC-TAOX11 — Analog Output I/O Module (non-redundant variant, for comparison)
- Experion PKS C300 / C200 Controllers
- Honeywell IOLIM (I/O Link Interface Module)
When sourcing replacement or expansion parts, always verify the full part number suffix (e.g., -100, -150) to ensure hardware revision compatibility with your installed base.
Our Quality Assurance Process
At Konmask.com, every Honeywell module we supply goes through a rigorous multi-stage verification process before shipment:
- Authenticity Verification: Visual inspection of manufacturer labels, date codes, and holographic markings to confirm genuine Honeywell origin.
- Physical Condition Inspection: Detailed examination of PCB, connectors, and housing for damage, corrosion, or counterfeit indicators.
- Functional Testing (where applicable): Bench-level power-on and signal verification using calibrated test equipment.
- Anti-Static Packaging: All modules are shipped in ESD-safe bags with foam cushioning and moisture barrier packaging.
- Documentation: Certificate of conformance and test report available upon request.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page or email support@konmask.com
- Provide your required quantity, delivery timeline, and destination country
- Our technical team will confirm availability, lead time, and provide a formal quotation within 24 business hours
- Upon PO confirmation, we arrange secure packaging and international freight (DHL / FedEx / sea freight as required)
- Tracking information and shipping documents (commercial invoice, packing list, COC) provided upon dispatch
We support T/T bank transfer, L/C, and other standard B2B payment terms. MOQ: 1 piece.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: We focus exclusively on PLC, DCS, and industrial control components — not a generalist distributor.
- ✅ Global Sourcing Network: Access to genuine Honeywell parts including discontinued and hard-to-find modules.
- ✅ Technical Expertise: Our team includes engineers with hands-on Experion PKS experience — we speak your language.
- ✅ Fast Response: RFQ responses within 24 hours; urgent orders prioritized.
- ✅ Secure International Shipping: Experienced in export documentation, customs compliance, and safe packaging for sensitive electronics.
- ✅ After-Sales Support: Technical consultation available post-delivery to assist with installation and commissioning queries.
Frequently Asked Questions
Q: What is the difference between MU-TAOX12 and MC-TAOX12?
A: The MC-TAOX12 is the active Analog Output I/O module that processes and transmits the 4–20 mA signals. The MU-TAOX12 is the redundancy termination board that provides the physical switching infrastructure to enable hot-standby redundancy between two MC-TAOX12 modules. Both are required for a fully redundant analog output subsystem.
Q: Is the MU-TAOX12 51304335-100 compatible with all Experion PKS versions?
A: The MU-TAOX12 is designed for the Experion PKS platform. Hardware revision compatibility depends on your installed system version. Please provide your system details when submitting an RFQ so our team can confirm compatibility.
Q: Do you supply new, refurbished, or used units?
A: We supply both new (factory-sealed) and professionally refurbished units depending on availability. All units are clearly labeled with their condition, and refurbished units undergo full inspection and testing before shipment.
Q: What is the typical lead time?
A: Lead time varies by stock availability. In-stock items typically ship within 3–5 business days. For sourced items, lead time is typically 2–4 weeks. Contact us for current availability.
Q: Can you provide export documentation for customs clearance?
A: Yes. We provide commercial invoice, packing list, certificate of conformance, and can assist with country-of-origin documentation as required.
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