Process Control & DCS Analog Input Solution – Honeywell DC-TUIO31 | 51307772-176 | Experion PKS / TPS Series
Where This Product Is Used
The Honeywell DC-TUIO31 (P/N 51307772-176) Universal Analog Input Module is a core I/O component deployed across mission-critical distributed control system (DCS) environments. Typical installation sites include:
- Oil & Gas Refineries – crude distillation unit (CDU) process variable acquisition, separator pressure/temperature monitoring
- Petrochemical & Chemical Plants – reactor feed flow measurement, heat exchanger differential pressure loops
- Power Generation – boiler drum level, turbine inlet temperature, and generator excitation feedback
- Pulp & Paper Mills – digester pressure, stock consistency, and bleach plant pH signal conditioning
- Pharmaceutical Manufacturing – bioreactor temperature/pH acquisition in FDA-regulated batch processes
- Water & Wastewater Treatment – influent flow, dissolved oxygen, and chlorine residual monitoring
- LNG Terminals – cryogenic temperature measurement and vaporizer control loops
Wherever Honeywell Experion PKS, TotalPlant Solution (TPS), or PlantScape systems are installed, the DC-TUIO31 provides the field-signal interface layer between sensors/transmitters and the controller.
Technical Specifications
| Attribute | Value |
|---|---|
| Part Number | DC-TUIO31 / 51307772-176 |
| Manufacturer | Honeywell Process Solutions |
| Series / Platform | Experion PKS / TotalPlant Solution (TPS) |
| Module Type | Universal Analog Input (UAI) |
| Channel Count | 32 channels (configurable per channel) |
| Input Signal Types | 4–20 mA, 0–10 V, RTD (Pt100/Pt1000), Thermocouple (J, K, T, E, R, S, B), mV, Ω |
| Resolution | 16-bit A/D conversion |
| Isolation | Channel-to-channel and channel-to-bus isolation |
| Communication Bus | Honeywell FTE (Fault Tolerant Ethernet) / C200/C300 controller backplane |
| Power Supply | Supplied via I/O Link / backplane (no external PSU required) |
| Operating Temperature | 0 °C to +60 °C |
| Humidity | 5–95% RH, non-condensing |
| Weight | 560 g (approx.) |
| Certifications | CE, UL, FM, ATEX (zone 2 barrier required) |
| Firmware | Field-upgradeable via Experion Engineering Tools |
Why Engineers Specify This Model
- Universal Channel Flexibility – Each of the 32 channels is software-configurable for mA, voltage, RTD, or TC input — eliminating the need for separate module SKUs per signal type.
- Hot-Swap / Online Replacement – Modules can be replaced under power without process interruption, critical for continuous operations with no planned shutdown windows.
- High-Density I/O – 32 channels per module reduces cabinet footprint and wiring costs compared to legacy 8- or 16-channel alternatives.
- Redundancy Support – Pairs with Honeywell redundant I/O link for 1:1 module redundancy, meeting SIL 2 loop requirements when combined with appropriate safety instrumented system (SIS) design.
- Seamless Experion Integration – Native plug-and-play recognition within Experion PKS R500+ with automatic channel discovery and HART pass-through capability.
- Long Product Lifecycle – Honeywell’s extended support commitment ensures spare parts availability and firmware updates for 10+ years post-installation.
Complete System Bill of Materials
For a fully operational Experion PKS analog input node, the following components are typically required alongside the DC-TUIO31:
- Honeywell C300 Process Controller – DC-CONT02 / 51309276-175
- Honeywell I/O Link Interface Module – DC-IOLI01 / 51304485-100
- Honeywell I/O Termination Assembly (32-ch AI) – TC-FTAN02 / 51306291-175
- Honeywell FTE Network Switch – CC-PCF901 / 51309512-175
- Honeywell 24 VDC Power Supply Module – CC-PWR001 / 51306736-175
- DIN Rail Mounting Chassis / I/O Carrier – per project rack layout
- Shielded twisted-pair field wiring (per ISA-5.1 standard)
Contact Konmask.com for bundle pricing on complete I/O node assemblies.
Compliance & Industry Standards
- IEC 61511 – Functional Safety for Process Industry SIS (SIL 1/2 capable loops)
- IEC 61508 – Functional Safety of E/E/PE Safety-Related Systems
- ISA-5.1 – Instrumentation Symbols and Identification
- ISA-18.2 – Management of Alarm Systems for the Process Industries
- NAMUR NE 43 – Standardization of the Signal Level for Fault Information from Field Devices
- CE Marking – EMC Directive 2014/30/EU; Low Voltage Directive 2014/35/EU
- UL 508 – Industrial Control Equipment
- FM Approved – Class I, Division 2, Groups A–D (with appropriate barriers)
Quality Assurance & Sourcing
Every Honeywell DC-TUIO31 / 51307772-176 unit offered by Konmask.com undergoes a rigorous pre-shipment process:
- Visual Inspection – PCB, connector pins, and housing checked for physical damage, corrosion, or counterfeit indicators
- Functional Power-On Test – Module powered and self-diagnostic LEDs verified against Honeywell factory test criteria
- Firmware Version Check – Firmware revision logged and disclosed; upgrade available on request
- Anti-Static Packaging – Shipped in ESD-safe bags with foam cushioning and moisture barrier
- Traceability – Serial number and test record provided with each unit
We source from decommissioned plant upgrades, authorized distributors, and verified industrial surplus channels. All units are genuine Honeywell — no clones, no remarked parts.
How to Source This Part
- Request a Quote – Email support@konmask.com with your required quantity and delivery timeline.
- Confirm Compatibility – Share your Experion PKS revision and I/O Link configuration; our engineers will verify fit.
- Receive Proforma Invoice – Pricing in USD/HKD with lead time confirmed within 24 business hours.
- Secure Payment & Ship – T/T, PayPal, or trade-term arrangements (EXW Xiamen / FOB Xiamen). DHL/FedEx express available worldwide.
- Post-Sale Support – 90-day warranty; technical commissioning support available via WhatsApp/WeChat.
Application-Specific FAQ
Q: Is the DC-TUIO31 compatible with Experion PKS R400 and earlier?
A: The module is fully supported from Experion R400 onward. For R300 or TPS legacy systems, please confirm the I/O Link revision with our team before ordering.
Q: Can this module handle HART field devices?
A: Yes. The DC-TUIO31 supports HART pass-through on 4–20 mA channels, enabling asset management via Honeywell Field Device Manager (FDM) or AMS Device Manager.
Q: What is the difference between 51307772-176 and other 51307772-xxx revisions?
A: The -176 suffix denotes a specific hardware/firmware revision. While functionally equivalent to adjacent revisions in most applications, we recommend matching the revision already installed in your system to avoid mixed-revision I/O Link issues. Contact us if you need a specific revision.
Q: Do you offer exchange / repair services?
A: Yes. We accept faulty DC-TUIO31 modules for board-level repair or offer an advance-exchange program. Contact us for details.
Q: What is the lead time for in-stock units?
A: In-stock units ship within 1–3 business days from Xiamen, China. International delivery via DHL Express typically takes 3–7 business days.
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