Process Control Redundancy Solution – Honeywell 51304338-100 | Experion PKS / TDC 3000
Where This Product Is Used
The Honeywell 51304338-100 Redundancy Switching Module is deployed in mission-critical distributed control system (DCS) environments where unplanned downtime carries significant operational and financial risk. Typical installation sites include:
- Oil & Gas Refineries – Redundant controller pairs in crude distillation, hydrotreating, and gas compression units
- Chemical & Petrochemical Plants – Continuous process loops requiring bumpless failover in reactor temperature and pressure control
- Power Generation Facilities – Turbine governor and boiler management systems with zero-tolerance for control interruption
- Pulp & Paper Mills – High-availability digester and recovery boiler control architectures
- Pharmaceutical Manufacturing – FDA-regulated batch and continuous processes demanding validated redundancy
- Water & Wastewater Treatment – SCADA-integrated pump and dosing control with automatic switchover
Technical Specifications
| Part Number | 51304338-100 |
| Manufacturer | Honeywell Process Solutions |
| Series / Platform | Experion PKS / TDC 3000 |
| Module Type | Redundancy Switching Module |
| Function | Automatic bumpless switchover between primary and backup controllers |
| Communication | FTE (Fault Tolerant Ethernet) / UCN compatible |
| Mounting | Standard Honeywell DCS card cage / chassis |
| Weight | 1,200 g (approx.) |
| Condition | New / Refurbished – tested and verified |
| Lead Time | In stock – ships within 3–5 business days |
Why Engineers Specify This Model
- Bumpless Failover – Seamless switchover with no process upset; primary-to-backup transition is transparent to the control loop
- Platform Compatibility – Direct drop-in replacement for existing Experion PKS and TDC 3000 redundancy architectures
- Reduced MTTR – Hot-swap capability minimizes mean time to repair; no full system shutdown required
- Proven Field Reliability – Widely specified in SIL-rated and high-availability process control designs globally
- Simplified Sparing – Single SKU covers redundancy switching for a broad range of controller configurations
Complete System Bill of Materials
For a fully redundant Honeywell DCS controller node, engineers typically specify the following alongside the 51304338-100:
- Honeywell C300 or C200 Process Controller (primary + backup pair)
- Honeywell 51304485-100 / 51304485-150 – Controller Communication Module
- Honeywell 51309512-175 – Power Entry Module
- Honeywell FTE Switch (Fault Tolerant Ethernet infrastructure)
- Honeywell 51196893-100 – I/O Link Interface Module
- Standard DCS card cage / chassis (compatible series)
Contact Konmask.com for complete BOM sourcing and cross-reference support.
Compliance & Industry Standards
- Designed for use in IEC 61511 / ISA-84 functional safety architectures
- Compatible with SIL 1 and SIL 2 rated control system designs
- Supports IEC 61508 compliant redundancy topologies
- CE marked; RoHS compliant (verify with current datasheet for specific revision)
- Suitable for ATEX Zone 2 panel installations when housed in certified enclosures
Quality Assurance & Sourcing
Every Honeywell 51304338-100 unit shipped by Konmask.com undergoes the following before dispatch:
- Visual inspection for physical damage, corrosion, and component integrity
- Firmware and revision-level verification against Honeywell release notes
- Functional power-on test where applicable
- Anti-static packaging with humidity indicator card
- Full traceability documentation available on request
We source exclusively from authorized distributors, certified surplus channels, and direct OEM inventory. Counterfeit-free guarantee backed by our sourcing policy.
How to Source This Part
- Add to Cart – Click the purchase button above to place your order directly online
- Request a Quote – Email support@konmask.com for volume pricing, lead time confirmation, or expedited shipping options
- Phone / WhatsApp – Call or message +0086 19859288691 for urgent requirements
- Cross-Reference Support – Provide your existing part number or system configuration and our engineers will confirm compatibility
Application-Specific FAQ
Q: Is the 51304338-100 compatible with both Experion PKS R500 and earlier TDC 3000 platforms?
A: Yes. This module is designed for cross-generation compatibility within the Honeywell DCS ecosystem. Confirm your chassis revision with our team for edge cases.
Q: Can this module be hot-swapped during live process operation?
A: The redundancy switching architecture supports hot-swap replacement of the backup module while the primary remains in control. Always follow Honeywell’s site-specific maintenance procedures.
Q: What is the difference between 51304338-100 and 51304338-150?
A: The -150 suffix typically denotes a revised hardware revision. Contact us with your system’s current firmware version and we will confirm the correct replacement.
Q: Do you provide a warranty?
A: Yes. All units carry a minimum 12-month warranty against defects in materials and workmanship. Extended warranty options are available on request.
Q: Can you supply multiple units for a plant-wide sparing program?
A: Yes. We support bulk orders and consignment sparing programs. Contact us for volume pricing and stocking agreements.
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