DCS Backup & History Storage Solution – Honeywell 51403645-400 | TDC 3000 SBHM Series
Where This Product Is Used
The Honeywell 51403645-400 SBHM Hard Drive Assembly is a critical storage component deployed in Honeywell TDC 3000 Distributed Control Systems (DCS). It serves as the primary mass storage medium for the System Backup and History Module (SBHM), enabling continuous process data logging, system configuration backup, and historical trend archiving across demanding industrial environments.
Typical deployment sites include:
- Oil & gas refineries and upstream processing facilities
- Petrochemical and specialty chemical plants
- Power generation stations (coal, gas, nuclear)
- Pulp & paper mills and continuous process manufacturing
- Pharmaceutical batch and continuous manufacturing lines
- Water treatment and municipal utility control rooms
Technical Specifications
| Part Number | 51403645-400 |
| Module Name | SBHM Hard Drive Assembly |
| Compatible Platform | Honeywell TDC 3000 DCS |
| Module Series | SBHM (System Backup & History Module) |
| Form Factor | Industrial rack-mount hard drive assembly |
| Weight | 700 g (approx.) |
| Manufacturer | Honeywell Process Solutions |
| Condition Available | Refurbished / Tested / New Old Stock |
Why Engineers Specify This Model
- Platform-native compatibility: Designed exclusively for TDC 3000 SBHM chassis — no firmware conflicts or interface adapters required.
- Continuous historian support: Maintains uninterrupted process data logging even during primary controller failover events.
- Configuration backup integrity: Stores full system configuration snapshots, enabling rapid recovery after hardware replacement or system fault.
- Long-term availability: As TDC 3000 systems remain in service at legacy plants worldwide, 51403645-400 is a high-demand MRO spare with limited OEM supply — sourcing from certified distributors is critical.
- Proven field reliability: Tested under industrial temperature and vibration conditions consistent with 24/7 process plant operation.
Complete System Bill of Materials
The 51403645-400 is typically ordered alongside the following TDC 3000 SBHM system components:
- Honeywell 51403645-100 / -200 / -300 — SBHM module variants
- Honeywell 51304485-100 — SBHM Power Supply
- Honeywell 51401288-100 — Universal Control Network (UCN) Interface
- Honeywell 51304516-100 — Data Hiway Coupler
- Honeywell 51198685-100 — AM/HPM Processor Module
Contact Konmask for complete BOM sourcing and cross-reference support.
Compliance & Industry Standards
- Designed and manufactured to Honeywell Process Solutions quality standards
- Compatible with IEC 61511 functional safety lifecycle requirements (as part of TDC 3000 SIS configurations)
- Suitable for use in facilities operating under ISA-18.2, OSHA PSM, and EPA RMP frameworks
- RoHS compliance status: legacy industrial component — consult datasheet for specific revision
Quality Assurance & Sourcing
All Honeywell 51403645-400 units supplied by Konmask.com undergo a structured inspection and verification process:
- Visual inspection for physical damage, corrosion, and connector integrity
- Functional bench test where applicable
- Traceability documentation provided upon request
- Secure anti-static packaging for international shipment
- 30-day return policy on verified defective units
How to Source This Part
To place an order or request a quote for the Honeywell 51403645-400 SBHM Hard Drive Assembly:
- Online: Add to cart directly on this page
- Email RFQ: support@konmask.com
- Phone / WhatsApp: +0086 19859288691
- Lead time: Typically 3–7 business days for in-stock units; 2–4 weeks for sourced/refurbished stock
- Shipping: DHL / FedEx / UPS international express available; export documentation provided
Application-Specific FAQ
Q: Is the 51403645-400 compatible with all TDC 3000 SBHM revisions?
A: The -400 suffix denotes a specific hardware revision. Confirm your SBHM chassis revision before ordering. Contact us with your existing module label for cross-reference verification.
Q: Can this hard drive assembly be used as a direct hot-swap replacement?
A: Hot-swap capability depends on your TDC 3000 system configuration and SBHM firmware version. In most installations, a controlled shutdown is recommended before replacement. Consult your Honeywell system documentation or contact our technical team.
Q: Do you supply the full SBHM module or only the hard drive assembly?
A: Konmask supplies both the complete SBHM module and individual sub-assemblies including the 51403645-400 hard drive assembly. Specify your requirement when submitting an RFQ.
Q: What warranty is provided?
A: All units carry a 90-day functional warranty against defects identified under normal operating conditions. Extended warranty options are available for volume orders.
Q: Can you source other Honeywell TDC 3000 spare parts?
A: Yes. Konmask specializes in legacy DCS and PLC spare parts. Submit your full BOM or part list for a consolidated quote.
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Contact: support@konmask.com | +0086 19859288691




