Honeywell 51304260-400 Analog Input Module | Replacement, Equivalent & Selection Guide
The Honeywell 51304260-400 is an Analog Input (AI) module designed for use in Honeywell’s TDC 3000, PlantScape, and Experion PKS distributed control systems. It provides reliable multi-channel analog signal acquisition for process automation environments in oil & gas, chemical, power, and manufacturing industries. Konmask.com supplies both new and refurbished units with full traceability and quality inspection.
Technical Specifications
- Part Number: 51304260-400
- Manufacturer: Honeywell Process Solutions
- Module Type: Analog Input (AI) I/O Module
- Compatible Platform: TDC 3000 / PlantScape / Experion PKS
- Signal Type: 4–20 mA / 1–5 V DC analog inputs
- Isolation: Channel-to-channel and channel-to-bus isolation
- Operating Temperature: 0°C to 60°C
- Power Supply: Supplied via backplane bus
- Mounting: Card cage / backplane slot
- Weight: Approx. 2.3 kg
- Compliance: CE, UL listed (process automation grade)
Compatible Replacement & Equivalent Models
The following modules are functionally equivalent or drop-in replacements for the 51304260-400 in most TDC 3000 and Experion configurations. Always verify firmware revision and backplane slot compatibility before substitution.
- 51304260-150 – Earlier revision, same form factor, compatible in most applications
- 51304260-200 – Mid-revision with enhanced diagnostics
- 51304260-300 – Recommended upgrade path with improved noise immunity
- 51309276-175 – Alternative AI module for Experion C300 controller nodes
- 51402573-250 – High-density AI module for expanded channel count requirements
- CC-PAIX01 (Experion C300) – Next-generation equivalent for Experion PKS migration projects
Note: Consult your system engineer or contact Konmask.com to confirm cross-compatibility for your specific revision and firmware level.
Why Choose the Original Model
- Proven reliability in continuous process environments with 24/7 uptime requirements
- Direct backplane compatibility — no adapter or rewiring required in existing TDC 3000 cabinets
- Honeywell-certified firmware ensures seamless integration with existing DCS configuration
- Long service life with Honeywell’s extended support lifecycle for legacy TDC 3000 hardware
- Reduced commissioning risk compared to third-party alternatives in safety-critical loops
Typical Applications
- Oil & gas refinery process control (temperature, pressure, flow measurement)
- Chemical plant DCS analog signal acquisition
- Power generation plant instrumentation loops
- Pharmaceutical batch process monitoring
- Pulp & paper mill automation systems
- Water treatment and utilities SCADA integration
System Compatibility
- Honeywell TDC 3000 – Universal Control Network (UCN) and Local Control Network (LCN)
- Honeywell PlantScape – R400 and later releases
- Honeywell Experion PKS – C200/C300 controller environments (verify revision)
- Card Cage: Compatible with standard Honeywell IOP/FTA card cage assemblies
- FTA: Requires matching Field Termination Assembly (FTA) — consult wiring diagram
Selection Guide
Use the table below to select the correct module revision for your application:
- Need direct drop-in replacement for existing TDC 3000 slot? → 51304260-400 (this unit) or 51304260-300
- Upgrading to Experion PKS C300? → Consider CC-PAIX01 with migration kit
- Require higher channel density? → 51402573-250 (16-channel high-density AI)
- Budget-sensitive refurbishment project? → 51304260-150 or -200 (tested, refurbished stock available)
- Safety instrumented system (SIS) loop? → Contact Konmask.com for SIL-rated alternatives
Quality Assurance & Sourcing
- All units undergo incoming inspection and functional testing before shipment
- Sourced from authorized distributors, OEM surplus, and decommissioned plant stock
- Serialized traceability documentation available upon request
- Packaging: Anti-static ESD bag + foam-lined carton
- Warranty: 90-day replacement warranty on all tested units
- Export compliance: ECCN EAR99 — no export license required for most destinations
How to Order
- Part Number: 51304260-400
- Lead Time: In-stock units ship within 1–3 business days; sourced units 5–15 business days
- MOQ: 1 unit
- Payment: T/T, PayPal, credit card accepted
- Shipping: DHL / FedEx / UPS worldwide express available
- Submit RFQ via [email protected] or use the Add to Cart button above
Replacement & Compatibility FAQ
Q: Can the 51304260-300 replace the 51304260-400 directly?
A: In most TDC 3000 installations, yes. The -300 and -400 revisions share the same hardware footprint and backplane pinout. Verify firmware compatibility with your DCS engineer before swapping in a live system.
Q: Is this module compatible with Experion PKS R500?
A: The 51304260-400 is primarily designed for TDC 3000 and PlantScape. For Experion PKS R500 and later, Honeywell recommends the CC-PAIX01 series. Contact us for migration guidance.
Q: Do you supply refurbished units?
A: Yes. All refurbished units are cleaned, inspected, and functionally tested. Condition is clearly stated on each listing. New surplus units are also available.
Q: What FTA is required for this module?
A: The matching FTA depends on your signal type and wiring configuration. Common pairings include the 51304453-150 and 51304453-175 FTAs. Contact Konmask.com with your loop drawing for confirmation.
Q: Can I get a datasheet or wiring diagram?
A: Yes — email [email protected] with your part number and we will provide available documentation.
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