HONEYWELL MC-TAOX12 51304335-175 – Analog Output Module | Experion PKS / TDC 3000
Engineering Background
The Honeywell MC-TAOX12 (P/N 51304335-175) is a high-density analog output module engineered for Honeywell’s Experion PKS and legacy TDC 3000 distributed control system platforms. Designed to meet the rigorous demands of continuous process industries, this module delivers precision 4–20 mA current loop outputs with tight accuracy tolerances, making it a critical interface between the control system and field-mounted actuators, control valves, and variable-speed drives.
Product Positioning
As a genuine Honeywell OEM component, the MC-TAOX12 is the preferred choice for maintenance engineers and procurement teams seeking a direct replacement or spare for existing Experion PKS / TDC 3000 installations. Konmask.com sources this module from verified surplus and authorized channels, providing procurement engineers with a reliable, cost-effective alternative to new OEM pricing while maintaining full functional equivalence.
Complete Technical Specifications
- Part Number: MC-TAOX12 / 51304335-175
- Manufacturer: Honeywell Process Solutions
- Module Type: Analog Output (AO)
- Platform Compatibility: Experion PKS, TDC 3000, PlantScape
- Output Signal: 4–20 mA current loop (sourcing)
- Number of Channels: 12 channels
- Output Resolution: 12-bit DAC
- Accuracy: ±0.1% of full scale
- Loop Compliance Voltage: Up to 24 VDC
- Load Resistance: 0–750 Ω per channel
- Isolation: Channel-to-channel and channel-to-bus isolation
- Power Supply: Supplied via backplane (no external power required)
- Operating Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Weight: 460 g
- Certifications: CE, UL, FM (Class I, Div. 2)
- Form Factor: Standard Honeywell I/O card, hot-swap capable
Proven Application Environments
- Oil & Gas: Wellhead control, pipeline pressure regulation, compressor anti-surge control
- Petrochemical & Refining: Distillation column control, reactor temperature management, feed rate modulation
- Power Generation: Turbine governor control, boiler feedwater regulation, load dispatch systems
- Pulp & Paper: Digester pressure control, stock flow management, dryer section control
- Pharmaceuticals: Bioreactor parameter control, clean-in-place (CIP) valve actuation, batch process management
- Water & Wastewater: Pump speed control via VFD, chemical dosing, flow control valve positioning
Engineering Advantages
- High Channel Density: 12 independent AO channels per card minimize rack space and reduce per-channel cost in large installations
- Hot-Swap Capability: Supports online replacement without process shutdown, critical for high-availability continuous operations
- Tight Accuracy: ±0.1% full-scale accuracy ensures precise actuator positioning and process variable control
- Robust Isolation: Channel-to-channel isolation prevents ground loops and cross-channel interference in complex field wiring environments
- Backplane-Powered: Eliminates external power wiring, simplifying installation and reducing potential failure points
- Proven Longevity: Honeywell’s TDC 3000 / Experion platform has a multi-decade installed base, ensuring long-term spare availability and engineering familiarity
System Architecture & Signal Flow
The MC-TAOX12 resides in a standard Honeywell I/O chassis connected to the Experion PKS Controller or TDC 3000 High-Performance Process Manager (HPM) via the Universal Control Network (UCN) or FTE (Fault-Tolerant Ethernet) backbone. The control processor writes setpoint values over the backplane bus to the module’s onboard DAC, which converts the digital command to a precision 4–20 mA analog signal. Each channel drives a field device (control valve positioner, VFD analog input, or I/P transducer) through a dedicated terminal block connection. The module continuously monitors output integrity and reports channel fault status back to the controller for alarm annunciation in the Experion HMI.
Sourcing & Quality Verification
- Source: Verified surplus from decommissioned Honeywell DCS installations and authorized distributor channels
- Inspection: Each unit undergoes visual inspection, firmware version verification, and functional bench testing prior to listing
- Condition: Tested & serviceable; original Honeywell firmware; no counterfeit risk
- Traceability: Serial number and revision level documented; available upon request
- Packaging: Anti-static bag, foam-lined carton; ESD-safe handling throughout
- Warranty: 90-day functional warranty; DOA replacement within 7 business days
Procurement Process
- Step 1 – Inquiry: Submit your RFQ via email to [email protected] or call +0086 19859288691
- Step 2 – Stock Confirmation: We confirm availability, serial number, and revision level within 1 business day
- Step 3 – Quotation: Formal quotation issued with unit price, lead time, and shipping options (DHL / FedEx / sea freight)
- Step 4 – Payment: T/T (wire transfer), PayPal, or trade assurance accepted
- Step 5 – Shipment: Dispatched within 2–3 business days of payment confirmation; tracking number provided
- Step 6 – After-Sales: Technical support available post-delivery; warranty claims processed promptly
Technical FAQ
Q: Is the MC-TAOX12 compatible with both Experion PKS and TDC 3000?
A: Yes. The module is hardware-compatible with both platforms. Confirm your chassis revision and controller firmware version to ensure backplane compatibility before installation.
Q: Can this module be used in a redundant I/O configuration?
A: The MC-TAOX12 supports Honeywell’s standard I/O redundancy schemes when paired with the appropriate redundancy module and chassis. Consult your system architecture documentation for specific pairing requirements.
Q: What is the difference between MC-TAOX12 and MC-TAOX11?
A: The MC-TAOX12 (51304335-175) is a later revision with enhanced diagnostics and improved EMC performance compared to the MC-TAOX11. Both are functionally interchangeable in most applications, but verify with your Honeywell system documentation.
Q: Do you provide a test report or certificate of conformance?
A: Yes. A functional test report and certificate of conformance are available upon request for orders requiring quality documentation.
Q: What is the lead time for international shipments?
A: Express courier (DHL/FedEx): 3–7 business days to most destinations. Sea freight options available for bulk orders.
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