Honeywell 2MLR-DBST Expansion Driver Module

Company Information
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Product Overview

The Honeywell 2MLR-DBST Expansion Driver Module is a key component in industrial automation and process control systems, primarily designed to expand the communication and control capacity of Honeywell’s Modular Logic and Remote (MLR) platform. The 2MLR-DBST module provides robust and reliable interface capabilities, allowing users to increase the number of connected devices and enhance system performance without sacrificing speed or accuracy.

Built for demanding industrial environments, the 2MLR-DBST supports seamless integration with existing Honeywell process control systems and field devices. Its compact design and durable construction make it ideal for distributed control system (DCS) architectures where space, scalability, and ruggedness are critical. It ensures smooth signal transmission, high availability, and is compliant with Honeywell’s industry-grade standards for quality and performance.

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Technical Specifications

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Applications

The 2MLR-DBST module is widely used across various industrial sectors where modular automation systems are implemented. Typical applications include:

• Oil & Gas Processing Plants: Enhancing field data acquisition and process control communication.

• Chemical Manufacturing Units: Enabling scalability of DCS systems for additional sensor inputs.

• Water & Wastewater Treatment Facilities: Supporting distributed control expansion for large networks.

• Power Generation and Distribution: Ensuring reliable communication across multiple control points.

• Pharmaceutical Automation Systems: Providing precise process input/output control in regulated environments.

• Food & Beverage Plants: Facilitating integration with programmable logic controllers (PLCs) and I/O interfaces.

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Key Advantages

• Modular Expansion: Easily integrates into existing MLR systems to extend I/O capabilities without needing significant reconfiguration.

• Rugged Industrial Design: Engineered for harsh industrial environments with robust EMC protection and temperature tolerance.

• Plug-and-Play Integration: Simplified installation and configuration, reducing system downtime during upgrades.

• Enhanced System Scalability: Facilitates growth in automation architecture without major hardware changes.

• Reliable Communication: Ensures uninterrupted data flow between field devices and control units.

• Long-Term Support: Backed by Honeywell’s extensive global service and support network.

• Space-Saving Profile: Compact footprint ideal for installations with limited panel space.

• Cost Efficiency: Reduces the need for additional controllers, lowering overall system costs.

• Interoperability: Compatible with various protocols, allowing flexible connectivity with third-party devices.

• Secure Data Handling: Integrated with safety features to protect against data corruption and unauthorized access.

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Frequently Asked Questions (FAQ)

1. What is the main function of the Honeywell 2MLR-DBST module?
   It serves as an expansion driver to increase I/O and communication capabilities in Honeywell’s MLR systems.

2. Is the 2MLR-DBST compatible with third-party control systems?
   While designed for Honeywell systems, it supports standard protocols that may allow limited third-party integration.

3. How is the module mounted in control panels?
   It features DIN rail mounting for fast and secure installation.

4. What is the typical power supply requirement?
   The module operates typically on a 24 V DC supply.

5. Can this module be hot-swapped during system operation?
   Hot-swapping depends on the specific system configuration; generally, it is recommended to power down before replacing.

6. What field communication protocols does it support?
   It can interface with Fieldbus, Modbus, or proprietary serial links, depending on the system version.

7. What are its environmental tolerances?
   It operates between -20°C and +60°C and tolerates 5% to 95% humidity (non-condensing).

8. Is the module firmware-upgradable?
   Yes, firmware updates can be applied through Honeywell’s configuration software tools.

9. How does the module handle power interruptions or brownouts?
   The 2MLR-DBST supports automatic recovery after power loss, with configurations stored in non-volatile memory. For critical operations, pairing it with Honeywell’s UPS module (e.g., 2MLR-BPWR-24) ensures uninterrupted operation during transient events.

10. How many devices can be connected using one 2MLR-DBST module?
    This depends on the system design and configuration; typically up to 16-32 devices per module.

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Related Models (Same Series/Family)

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Popular Honeywell Modules (Same Brand)

Frequently Asked Questions (FAQ)

1. What is the main function of the Honeywell 2MLR-DBST module?
   It serves as an expansion driver to increase I/O and communication capabilities in Honeywell’s MLR systems.

2. Is the 2MLR-DBST compatible with third-party control systems?
   While designed for Honeywell systems, it supports standard protocols that may allow limited third-party integration.

3. How is the module mounted in control panels?
   It features DIN rail mounting for fast and secure installation.

4. What is the typical power supply requirement?
   The module operates typically on a 24 V DC supply.

5. Can this module be hot-swapped during system operation?
   Hot-swapping depends on the specific system configuration; generally, it is recommended to power down before replacing.

6. What field communication protocols does it support?
   It can interface with Fieldbus, Modbus, or proprietary serial links, depending on the system version.

7. What are its environmental tolerances?
   It operates between -20°C and +60°C and tolerates 5% to 95% humidity (non-condensing).

8. Is the module firmware-upgradable?
   Yes, firmware updates can be applied through Honeywell’s configuration software tools.

9. How does the module handle power interruptions or brownouts?
   The 2MLR-DBST supports automatic recovery after power loss, with configurations stored in non-volatile memory. For critical operations, pairing it with Honeywell’s UPS module (e.g., 2MLR-BPWR-24) ensures uninterrupted operation during transient events.

10. How many devices can be connected using one 2MLR-DBST module?
    This depends on the system design and configuration; typically up to 16-32 devices per module.

Related Models (Same Series/Family)

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Popular Honeywell Modules (Same Brand)

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