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Product Introduction
The Honeywell 2MLR-DBSF Expansion Driver Module is a key component in Honeywell’s modular automation control systems. Engineered for seamless expansion, it acts as an interface between the central CPU and multiple I/O modules, ensuring stable data transmission and precise synchronization across the automation architecture. The 2MLR-DBSF is specifically tailored for demanding industrial environments where modularity, reliability, and scalability are essential.
It plays a pivotal role in distributed systems by expanding communication pathways and optimizing performance between the control CPU and connected devices. Designed for compatibility with the 2MLR series CPUs and I/O modules, the 2MLR-DBSF simplifies integration and supports plug-and-play configuration, making it a practical and efficient choice for large-scale industrial control projects.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Expansion Driver Module |
| Model Number | 2MLR-DBSF |
| Manufacturer | Honeywell |
| Product Type | Expansion Driver / Bus Coupler |
| Functionality | Connects CPU with expansion I/O modules |
| Input Voltage | 24 VDC ±10% |
| Power Consumption | 4.2 W (typical) |
| Bus Communication | High-speed proprietary backplane bus |
| Number of Connectable Modules | Up to 16 I/O or peripheral modules |
| Mounting Type | DIN rail or panel mount |
| Compatibility | Compatible with 2MLR CPUH/T-CC, CPUL/T-CC, and related I/O modules |
| Diagnostic Features | LED indicators for power, status, and communication |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% RH, non-condensing |
| Dimensions (W x H x D) | 150 x 100 x 50 mm |
| Weight | 0.099 kg |
| Certifications | CE, UL, RoHS, FCC compliant |
Product Applications
The 2MLR-DBSF Expansion Driver Module is widely adopted across multiple industrial domains. Its primary use is to extend the communication capabilities of automation CPUs, enabling integration of additional I/O modules, signal conditioners, or communication adapters in a distributed system. Key application areas include:
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Industrial Process Control: Enables large-scale systems to scale up their control points with ease.
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Power Plants: Supports complex control hierarchies in energy production facilities.
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Chemical Processing Plants: Manages multiple I/O stations in process automation setups.
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Manufacturing Lines: Enhances modularity in smart manufacturing environments.
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Water Treatment Systems: Ensures flexible expansion of remote control units and sensors.
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Building Automation: Connects additional HVAC, lighting, or safety modules within integrated systems.
Product Advantages
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Modular Expandability: Allows effortless addition of I/O modules without rewiring the main control system.
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Compact Footprint: Slim, vertical design conserves valuable control cabinet space.
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High-Speed Communication: Ensures real-time data transfer between CPU and connected modules.
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Plug-and-Play Integration: Auto-detects connected I/O modules and simplifies setup procedures.
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Robust Design: Withstands industrial conditions including vibrations, temperature fluctuations, and electrical noise.
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Status Diagnostics: Built-in LED indicators provide real-time visual feedback on module operation and faults.
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Reduced Downtime: Hot-swappable design (when supported by the CPU) minimizes production halts.
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Standard Compliance: Meets global industrial standards for safety, electromagnetic compatibility, and environmental performance.
Frequently Asked Questions (FAQ)
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What is the main purpose of the Honeywell 2MLR-DBSF module?
It acts as an expansion driver that connects the central CPU to additional I/O modules for system scalability. -
How many I/O modules can it support?
It supports up to 16 additional modules, depending on power budget and CPU capacity. -
Does this module require external configuration?
No, it is plug-and-play and automatically recognized by the Honeywell CPU modules. -
Is the 2MLR-DBSF hot-swappable?
This depends on the system configuration, but it can be hot-swappable in systems with redundant CPUs. -
What is the operating voltage range?
The module operates at 24 VDC with a ±10% tolerance. -
Can it be used with non-Honeywell modules?
No, it is designed to work exclusively within the Honeywell 2MLR modular automation platform. -
Does it have built-in diagnostics?
Yes, it includes LED indicators for power, communication status, and error alerts. -
How should the module be mounted?
It supports DIN rail or panel mounting inside industrial enclosures. -
What certifications does the module have?
It complies with CE, UL, FCC, and RoHS standards. -
Is firmware updating required for this module?
Generally no, as it contains minimal logic, but it can receive updates through the host CPU if necessary.
Related Models (Same Series or Functional Range)
| Model | Description | Key Features |
|---|---|---|
| 2MLR-CPUH/T-CC | Main CPU module for system control | High-performance processor, network protocols |
| 2MLR-CPUL/T-CC | Low-power CPU module variant | Efficient for compact systems |
| 2MLR-IO16/T-CC | I/O expansion module with 16 channels | Configurable digital/analog I/O |
| 2MLR-COMM/T-CC | Communication module for protocol expansion | Supports Profibus, Modbus RTU |
| 2MLR-DBSFX/T-CC | Advanced expansion driver with extended diagnostics | Enhanced fault monitoring |
| 2MLR-PWR/T-CC | Power supply module for the 2MLR series | Supports redundant power inputs |
Popular Honeywell Models (Other Product Series)
| Model | Description | Application |
|---|---|---|
| C300 Controller | Advanced process controller | DCS and large automation systems |
| HC900-CPU-0551 | Hybrid control CPU module | Logic and process control in hybrid plants |
| RM7800L1014 | Relay Module for burner control systems | Boiler and combustion safety |
| UDC3500 | Universal digital controller | Temperature/process control |
| ML200R-ETH | Ethernet communication module | Industrial networking and SCADA |
| Experion LX | Compact distributed control system | Small-to-mid scale industrial applications |
