Honeywell 2MLT-DMMA – TDC3000 DCS Dummy Module | Slot Filler Card
Engineering Background: In Honeywell TDC3000 distributed control system installations, every card slot in a Multi-Function Controller (MFC) or Local Control Network (LCN) cabinet must be physically occupied to maintain proper airflow, EMI shielding, and backplane integrity. The 2MLT-DMMA Dummy Module is the OEM-specified blank filler card designed exclusively for this purpose — ensuring chassis compliance without consuming I/O or processing resources.
Product Positioning: The 2MLT-DMMA is a passive mechanical placeholder for unused slots in Honeywell TDC3000 Multi-Loop Termination (MLT) assemblies. It is a mandatory BOM component for any TDC3000 system expansion, partial-slot configuration, or cabinet refurbishment project. Procurement engineers sourcing spare parts for legacy TDC3000 infrastructure will find this module essential for maintaining OEM chassis specifications.
Complete Technical Specifications
- Part Number / SKU: 2MLT-DMMA
- Manufacturer: Honeywell Process Solutions
- Product Family: TDC3000 Multi-Loop Termination (MLT) Series
- Module Type: Dummy / Blank Slot Filler Card
- Function: Passive mechanical slot occupant — no active circuitry
- Compatible Chassis: Honeywell TDC3000 MLT card cage / MFC cabinet
- Form Factor: Standard TDC3000 single-slot card form factor
- Electrical: No power consumption; no I/O connections
- Operating Temperature: 0°C to 60°C (per TDC3000 cabinet spec)
- Weight: Approx. 100 g
- Compliance: OEM Honeywell specification; RoHS-compatible materials
- Condition Available: New (OEM), Refurbished, Surplus
Proven Application Environments
- Oil & Gas upstream/downstream DCS control rooms
- Petrochemical and refinery process automation cabinets
- Power generation plant TDC3000 legacy system maintenance
- Chemical plant MFC/LCN cabinet slot management
- Pulp & paper mill distributed control infrastructure
- Any facility running Honeywell TDC3000 requiring partial-slot chassis compliance
Engineering Advantages
- Airflow Management: Prevents hot-spot formation in card cage by maintaining designed airflow channels across all slots
- EMI/RFI Shielding: Closes open slot gaps that would otherwise compromise cabinet electromagnetic shielding integrity
- Backplane Protection: Shields exposed backplane connectors from dust, debris, and accidental contact
- OEM Compliance: Satisfies Honeywell TDC3000 chassis configuration requirements for warranty and service contract adherence
- Zero Maintenance: Fully passive — no firmware, no calibration, no scheduled replacement interval
- Drop-in Fit: Identical mechanical envelope to active TDC3000 MLT modules; installs without tools in seconds
System Architecture & Signal Flow
The 2MLT-DMMA occupies a physical card slot within the Honeywell TDC3000 Multi-Loop Termination assembly. As a purely passive component, it carries no signal paths, no backplane bus connections, and no power rails. Its role is entirely structural:
- Slot Position: Any unused slot in the MLT card cage
- Backplane Interface: Mechanical guide-rail engagement only — no electrical pins active
- Adjacent Module Impact: None — does not affect neighboring active modules’ operation or addressing
- Removal Procedure: Standard TDC3000 card extraction (power-on hot-swap permissible per Honeywell guidelines for dummy modules)
Sourcing & Quality Verification
- Source: Authorized surplus channel and OEM-certified refurbishment partners
- Inspection: Each unit visually inspected for mechanical integrity, guide-rail condition, and faceplate labeling accuracy
- Traceability: Part number and date code verified against Honeywell TDC3000 BOM documentation
- Packaging: Anti-static bag + foam-lined carton for transit protection
- Warranty: 12-month Konmask operational warranty against manufacturing defects
- Counterfeit Prevention: All stock sourced from traceable supply chains; certificates of conformance available on request
Procurement Process
- Confirm Quantity: Identify the number of unused slots in your TDC3000 MLT chassis requiring filler cards
- Request Quote: Contact support@konmask.com for volume pricing and lead time confirmation
- Order Placement: Purchase order accepted via website checkout, bank transfer (T/T), or PayPal
- Export Documentation: Commercial invoice, packing list, and certificate of origin provided for all international shipments
- Shipping: DHL / FedEx / UPS express available; sea freight for bulk orders; typical lead time 3–7 business days
- After-Sales: Technical support available via email or WhatsApp: +0086 19859288691
Technical FAQ
Q: Can the 2MLT-DMMA be used in non-TDC3000 Honeywell systems?
A: It is designed specifically for the TDC3000 MLT card cage form factor. Compatibility with other Honeywell platforms (e.g., Experion PKS) is not guaranteed — consult your system documentation.
Q: Is it safe to remove a dummy module while the system is powered?
A: Per Honeywell TDC3000 guidelines, dummy modules are generally hot-swap safe since they carry no active signals. However, always follow your site’s safety procedures and lockout/tagout protocols.
Q: Do you supply certificates of conformance?
A: Yes. CoC documents are available upon request for all orders. Please specify at time of purchase.
Q: What is the minimum order quantity?
A: No minimum order quantity. Single units and bulk orders are both accepted.
Q: Can you provide a datasheet?
A: Honeywell TDC3000 MLT documentation is available. Contact us and we will share the relevant technical reference documents.
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Contact: support@konmask.com | +0086 19859288691
