HONEYWELL 8C-TAIX61 / 8U-TAIX61 / 51306977-175 Analog Input Module | Replacement, Equivalent & Selection Guide
The HONEYWELL 8C-TAIX61 (also known as 8U-TAIX61, part number 51306977-175) is a high-precision Analog Input Module designed for use in Honeywell’s Experion PKS and TDC 3000 distributed control systems. This module provides reliable multi-channel analog signal acquisition for demanding industrial process control environments. Whether you are sourcing an original unit, evaluating compatible replacements, or selecting the right module for a new project, this guide covers everything you need.
Technical Specifications
- Manufacturer: Honeywell Process Solutions
- Part Numbers: 8C-TAIX61 / 8U-TAIX61 / 51306977-175
- Module Type: Analog Input (AI)
- Compatible Platform: Honeywell Experion PKS, TDC 3000, PlantScape
- Input Channels: 8 channels (typical configuration)
- Signal Types: 4–20 mA, 0–10 V DC, thermocouple, RTD (configuration-dependent)
- Resolution: 16-bit A/D conversion
- Isolation: Channel-to-channel and channel-to-bus isolation
- Communication Bus: Honeywell proprietary backplane bus
- Operating Temperature: 0°C to 60°C
- Power Supply: Supplied via backplane (no external power required)
- Weight: Approx. 560 g
- Certifications: CE, UL (verify with datasheet for specific revision)
Compatible Replacement & Equivalent Models
When the original 8C-TAIX61 is unavailable or end-of-life, the following models may serve as functional equivalents or drop-in replacements depending on your system revision and firmware version. Always verify compatibility with your system integrator before substitution.
- 8C-TAIX61 ↔ 8U-TAIX61: Direct equivalent; different suffix denotes packaging/revision. Functionally interchangeable in most Experion PKS configurations.
- 51306977-175: OEM part number for the same module; used in procurement and MRO sourcing.
- 8C-TAIX51 / 8U-TAIX51: Earlier generation analog input module; compatible in legacy TDC 3000 racks but may lack newer diagnostics features.
- 8C-TAIX81 / 8U-TAIX81: Higher-density variant (16-channel); suitable if channel expansion is required and rack space allows.
- CC-TAIX01 (C300 Series): Equivalent analog input module for Experion C300 controller architecture; not backward-compatible with older racks.
- Third-party equivalents: Some certified MRO suppliers offer remanufactured or tested-equivalent modules. Confirm firmware revision, hardware revision, and warranty terms before purchase.
Why Choose the Original Model
- Guaranteed compatibility: Factory-tested and validated for Honeywell Experion PKS and TDC 3000 platforms without firmware conflicts.
- Full diagnostic support: Native integration with Honeywell’s FDM (Field Device Manager) and system health monitoring.
- Long service life: Industrial-grade components rated for continuous 24/7 operation in process environments.
- Regulatory compliance: Meets SIL and functional safety requirements when used within validated system configurations.
- OEM warranty & support: Eligible for Honeywell lifecycle support, firmware updates, and technical assistance.
Typical Applications
- Oil & gas upstream/downstream process monitoring
- Chemical and petrochemical plant DCS integration
- Power generation turbine and boiler control loops
- Pharmaceutical batch process control
- Pulp & paper mill automation
- Water treatment and utilities SCADA systems
- Refinery and pipeline pressure/flow/temperature acquisition
System Compatibility
The 8C-TAIX61 is designed for use within the following Honeywell control system architectures:
- Honeywell Experion PKS (R300–R500+): Fully supported; verify firmware revision alignment with your controller version.
- Honeywell TDC 3000 / PlantScape: Compatible with legacy rack configurations; confirm hardware revision with Honeywell lifecycle team.
- Honeywell Safety Manager: Not directly compatible; dedicated safety I/O modules required for SIL-rated loops.
- Third-party DCS (ABB, Emerson, Siemens): Not natively compatible; signal conditioning or gateway devices required.
Selection Guide
Use the following criteria to determine whether the 8C-TAIX61 is the right module for your application:
- Step 1 – Identify your DCS platform: Confirm you are running Honeywell Experion PKS or TDC 3000. This module is not compatible with other vendors’ systems without additional hardware.
- Step 2 – Determine channel count: The 8C-TAIX61 provides 8 analog input channels. If you need 16 channels, consider the 8C-TAIX81.
- Step 3 – Verify signal type: Confirm your field devices output 4–20 mA or supported voltage/thermocouple/RTD signals. Check the module’s configuration jumpers or firmware settings.
- Step 4 – Check rack and firmware revision: Ensure your I/O rack and controller firmware support the 8C-TAIX61 hardware revision you are sourcing.
- Step 5 – Evaluate lifecycle status: If the module is approaching end-of-life in your system, consider migrating to the C300 series (CC-TAIX01) for longer support horizon.
- Step 6 – Sourcing priority: For critical production systems, prioritize new OEM stock or certified refurbished units with test reports over untested surplus inventory.
Quality Assurance & Sourcing
At Konmask.com, all HONEYWELL 8C-TAIX61 modules are sourced through verified industrial supply channels and subject to the following quality controls:
- Visual and physical inspection upon receipt
- Functional power-on test where applicable
- Firmware and hardware revision documentation
- Anti-static packaging and climate-controlled storage
- Traceability records available upon request
- 90-day warranty on all stocked units (extended warranty available)
How to Order
- Online: Add to cart directly from this page. Bulk pricing available for orders of 3+ units — contact us for a quote.
- Email: Send your PO or RFQ to support@konmask.com with part number, quantity, and required delivery date.
- Phone/WhatsApp: +0086 19859288691 — available Monday–Friday, 09:00–18:00 CST.
- Lead time: In-stock units ship within 1–3 business days. Out-of-stock items: 7–21 business days depending on sourcing.
- Export: We support international orders with full export documentation (commercial invoice, packing list, COO). DDP/DAP terms available.
Replacement & Compatibility FAQ
Q: Can I use the 8U-TAIX61 as a direct replacement for the 8C-TAIX61?
A: Yes, in most cases. The 8U-TAIX61 and 8C-TAIX61 are functionally equivalent modules with different part number suffixes reflecting packaging or revision differences. Verify hardware revision compatibility with your system documentation.
Q: Is the 51306977-175 the same as the 8C-TAIX61?
A: Yes. 51306977-175 is the Honeywell OEM/procurement part number for the 8C-TAIX61 module. They refer to the same physical product.
Q: Can this module be used in a Siemens or ABB DCS?
A: No. The 8C-TAIX61 uses Honeywell’s proprietary backplane bus and is not natively compatible with other DCS platforms. Signal conversion hardware would be required.
Q: What is the difference between 8C-TAIX61 and 8C-TAIX81?
A: The 8C-TAIX81 is a higher-density variant offering 16 analog input channels versus 8 on the 8C-TAIX61. Both are compatible with Experion PKS racks but occupy different slot configurations.
Q: Do you provide test reports or certificates of conformance?
A: Yes. Test reports and certificates of conformance are available upon request for all units. Please specify your requirements when placing your order.
Q: What warranty do you offer?
A: All units carry a standard 90-day warranty covering functional defects. Extended 12-month warranty packages are available — contact us for details.
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Contact: support@konmask.com | +0086 19859288691
