Honeywell 2MLI-D28B-CC Digital Input Module | Replacement, Equivalent & Selection Guide
The Honeywell 2MLI-D28B-CC is a 28-channel digital input module designed for use within Honeywell’s Distributed Control System (DCS) platform. It provides reliable discrete signal acquisition for process automation environments. This page serves as a comprehensive selection, replacement, and compatibility reference for engineers and procurement teams.
Technical Specifications
- Part Number / SKU: 2MLI-D28B-CC
- Manufacturer: Honeywell Process Solutions
- Module Type: Digital Input (DI) Module
- Series: Honeywell DCS I/O Series
- Number of Channels: 28 Digital Input Channels
- Signal Type: Discrete / Digital (24 VDC typical)
- Communication Interface: DCS backplane bus
- Mounting: DCS rack / carrier mount
- Operating Temperature: 0°C to 60°C
- Weight: Approx. 250 g
- Compliance: CE, UL (verify with current datasheet)
Note: Always verify specifications against the official Honeywell datasheet before procurement or installation.
Compatible Replacement & Equivalent Models
When the 2MLI-D28B-CC is unavailable or discontinued, the following models may serve as functional equivalents or drop-in replacements depending on system configuration:
- Honeywell 2MLI-D28B – Base variant without CC suffix; verify carrier compatibility
- Honeywell MC-PDID03 – Digital Input module for C300 controller series
- Honeywell 51304485-150 – Legacy DI module; confirm firmware and rack compatibility
- Honeywell CC-PDIL01 – FOUNDATION Fieldbus DI, suitable for upgraded architectures
- Third-party equivalents: Consult Konmask technical team for cross-reference validation
Important: Replacement compatibility depends on firmware version, carrier type, and DCS controller revision. Always perform a full compatibility check before substitution.
Why Choose the Original 2MLI-D28B-CC
- Native integration with Honeywell DCS architecture — zero configuration overhead
- Guaranteed signal integrity across all 28 channels
- Factory-calibrated and tested to Honeywell quality standards
- Full technical support and documentation from Honeywell Process Solutions
- Minimizes risk in safety-critical and continuous process environments
- Long-term spare parts availability through authorized distributors
Typical Applications
- Oil & gas upstream and downstream process control
- Chemical and petrochemical plant automation
- Power generation and utilities monitoring
- Pharmaceutical batch process control
- Pulp, paper, and water treatment facilities
- Any DCS-based discrete signal acquisition application
System Compatibility
- DCS Platform: Honeywell Experion PKS / TDC 3000 / PlantScape (verify per revision)
- Controller Compatibility: C200, C300 series (confirm with system engineer)
- Carrier / Rack: Honeywell standard I/O carrier — CC suffix indicates specific carrier type
- Software: Honeywell Control Builder / Configuration Studio
Contact Konmask for a system-specific compatibility check before ordering.
Selection Guide
Use the following criteria to confirm the 2MLI-D28B-CC is the right module for your application:
- Step 1 – Channel Count: Confirm you require 28 DI channels per module slot
- Step 2 – Signal Voltage: Verify field device output voltage matches module input range
- Step 3 – Carrier Type: The CC suffix denotes a specific carrier; confirm your rack carrier model
- Step 4 – DCS Revision: Match module firmware to your controller and system software version
- Step 5 – Redundancy: Determine if redundant I/O configuration is required for your SIL level
- Step 6 – Certifications: Confirm hazardous area or safety certifications if applicable
Need help selecting? Email our engineers or call +0086 19859288691.
Quality Assurance & Sourcing
- All modules sourced from verified industrial supply channels
- Pre-shipment inspection and functional verification available on request
- Genuine OEM parts — no counterfeit or refurbished units without explicit disclosure
- Traceability documentation available for critical process industries
- Konmask.com is a specialist B2B supplier of DCS, PLC, and industrial automation components
How to Order
- SKU: 2MLI-D28B-CC
- MOQ: 1 unit
- Lead Time: Contact us for current stock and lead time
- Payment: T/T, L/C, and other B2B terms available
- Shipping: Worldwide — DHL, FedEx, sea freight available
- Quote Request: support@konmask.com | +0086 19859288691
Replacement & Compatibility FAQ
Q: Can I replace 2MLI-D28B-CC with 2MLI-D28B?
A: Possibly — the CC suffix typically denotes carrier compatibility. Verify your carrier model before substitution.
Q: Is this module still in production?
A: Honeywell periodically updates its I/O portfolio. Contact Konmask to confirm current availability and lifecycle status.
Q: Can Konmask supply a tested/refurbished unit?
A: Yes, refurbished units with inspection reports are available. Please specify your requirement when requesting a quote.
Q: What is the warranty?
A: Konmask offers a standard warranty on all supplied modules. Terms provided with quotation.
Q: Do you provide installation support?
A: We provide technical documentation and pre-sales engineering support. On-site services are not included.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
