Honeywell DC-TUI031 – Non-Redundant IOTA | Experion PKS DCS Platform
Engineering Background
The Honeywell DC-TUI031 is a Non-Redundant Input/Output Termination Assembly (IOTA) designed for use within Honeywell’s Experion PKS (Process Knowledge System) and legacy TotalPlant Solution (TPS) distributed control architectures. As the physical interface layer between field wiring and the I/O processor modules, the IOTA provides a structured, reliable termination point that is critical to signal integrity in demanding industrial environments.
Product Positioning
Targeted at process automation engineers and MRO procurement teams, the DC-TUI031 is the preferred non-redundant termination solution for facilities where single-channel I/O configurations are specified. It is widely deployed in refining, petrochemical, power generation, and advanced manufacturing plants running Honeywell Experion PKS C200/C300 controller platforms.
Complete Technical Specifications
- Part Number: DC-TUI031
- Manufacturer: Honeywell Process Solutions
- Series / Platform: Experion PKS / TotalPlant Solution (TPS)
- Module Type: Non-Redundant IOTA (Input/Output Termination Assembly)
- Configuration: Non-redundant (single I/O module slot)
- Mounting: DIN rail / cabinet panel mount
- Field Wiring Interface: Screw-terminal field wiring connections
- Compatible I/O Modules: Honeywell Experion PKS Series I/O cards (C200/C300 platform)
- Operating Temperature: 0°C to +60°C (32°F to 140°F)
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Power Supply: Supplied via backplane / I/O module
- Approvals / Certifications: CE, UL (per Honeywell product documentation)
- Country of Origin: United States
- Weight: ~13.6 kg (shipping weight including packaging)
Proven Application Environments
- Oil & Gas upstream/downstream process control (refineries, FPSO, compressor stations)
- Petrochemical and chemical plant DCS upgrades and expansions
- Power generation (thermal, combined-cycle, nuclear auxiliary systems)
- Pulp & paper and advanced manufacturing automation
- Water treatment and municipal utility SCADA/DCS integration
- MRO spare parts programs for existing Experion PKS installations
Engineering Advantages
- Direct OEM Compatibility: Designed and manufactured by Honeywell to exact Experion PKS specifications — no third-party adaptation required.
- Simplified Field Wiring: Dedicated screw-terminal blocks reduce installation time and wiring errors in multi-channel I/O cabinets.
- Non-Redundant Architecture: Cost-effective solution for non-critical I/O loops where single-channel configuration meets SIL/process requirements.
- Long Service Life: Robust PCB construction and conformal coating options ensure reliable operation in harsh industrial environments.
- Plug-and-Play Module Swap: IOTA remains in place during I/O module replacement, eliminating field rewiring during maintenance.
System Architecture & Signal Flow
In an Experion PKS cabinet, the DC-TUI031 IOTA mounts to the I/O carrier and provides the physical termination layer for field instrument cables. Field signals (4–20 mA, discrete, thermocouple, RTD, etc.) are wired directly to the IOTA terminal blocks. The corresponding I/O module plugs into the IOTA, converting field signals to digital data transmitted via the FTE (Fault Tolerant Ethernet) or C-Bus backplane to the C200/C300 controller. This architecture allows hot-swap module replacement without disturbing field wiring.
Sourcing & Quality Verification
- All DC-TUI031 units sourced through verified industrial automation supply channels.
- Pre-shipment inspection includes visual examination, label/firmware verification, and functional continuity checks.
- Original manufacturer packaging preserved where available; anti-static ESD packaging applied for all shipments.
- Traceability documentation (COO, test records) available upon request for critical plant applications.
- Konmask.com maintains a zero-tolerance policy on counterfeit components — all parts are subject to authentication protocols before listing.
Procurement Process
- Submit your RFQ via the product page or email support@konmask.com with your required quantity and delivery timeline.
- Receive a formal quotation with lead time, shipping options (DHL/FedEx/sea freight), and payment terms within 24 business hours.
- Confirm purchase order — we accept T/T bank transfer, PayPal, and major credit cards.
- Order is packed, inspected, and dispatched with full tracking and commercial invoice/packing list documentation.
- Post-delivery technical support available for installation and commissioning queries.
Technical FAQ
Q: Is the DC-TUI031 compatible with both C200 and C300 Experion PKS controllers?
A: Yes. The DC-TUI031 IOTA is compatible with the Experion PKS I/O subsystem used across C200 and C300 controller platforms. Always verify the specific I/O module pairing against your system’s I/O assignment documentation.
Q: Can the DC-TUI031 be upgraded to a redundant IOTA configuration?
A: No. The DC-TUI031 is a non-redundant IOTA. For redundant I/O configurations, Honeywell offers separate redundant IOTA part numbers. Contact us for cross-reference assistance.
Q: What is the typical lead time for DC-TUI031?
A: In-stock units ship within 1–3 business days. For larger quantities or special requirements, lead time is confirmed at quotation stage.
Q: Do you provide a warranty on DC-TUI031?
A: Yes. All units carry a 12-month warranty against manufacturing defects. DOA (Dead on Arrival) units are replaced at no charge.
Q: Can you provide export documentation for customs clearance?
A: Yes. We provide commercial invoice, packing list, certificate of origin, and HS code documentation for all international shipments.
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