Programmable Logic Controllers (PLCs) are the workhorses of modern industrial automation, providing the computational and I/O management capabilities that keep manufacturing lines, process plants, and critical infrastructure running smoothly. The Honeywell MasterLogic-200 Programmable Logic Controller represents Honeywell's commitment to delivering reliable, high-performance control systems for demanding industrial applications. This particular module rack configuration, featuring the 2MLR-AC22 power supply, 2MLR-DBSF backplane, and 2MLF-RD4A RTD input module, provides a complete foundation for temperature-critical process control applications.

The Honeywell 2MLR-AC22 2MLR-DBSF 2MLF-RD4A Module Rack is a pre-configured PLC assembly that combines power supply, backplane communication, and RTD (Resistance Temperature Detector) input capabilities in a single integrated package. Designed for AC200-240Vac, 50/60Hz operation, this module rack is ready for deployment in industrial environments worldwide. The included 2MLF-RD4A RTD input module supports both Pt100 and JPt100 temperature sensors with wide measurement ranges, making this configuration ideal for process heating, cooling, and temperature monitoring applications.

At Auto2mation Pvt. Ltd., we supply quality industrial automation equipment to customers across the globe. This Honeywell MasterLogic-200 module rack is offered in used condition, thoroughly inspected and tested by our technical team, and backed by our standard 30-day warranty with free worldwide shipping. Whether you are expanding an existing Honeywell control system, building a new temperature monitoring application, or seeking a cost-effective replacement for failed equipment, this module rack delivers the reliability and performance you expect from Honeywell.

Key Features & Specifications of the Honeywell MasterLogic-200 Module Rack

The Honeywell MasterLogic-200 module rack configuration offers a comprehensive set of features designed for industrial temperature monitoring and process control applications. Here are the key capabilities of this PLC assembly:

• 2MLR-AC22 Power Supply Module: The integrated power supply accepts AC200-240Vac at 50/60Hz input and provides regulated 5Vdc at 5.5A output to power the backplane and all installed I/O modules, ensuring stable operation across global voltage standards.
• 2MLR-DBSF Backplane: The DBSF backplane provides the communication infrastructure that connects the CPU, power supply, and I/O modules, enabling high-speed data exchange and deterministic control performance.
• 2MLF-RD4A RTD Input Module: This specialized analog input module is designed for direct connection to Pt100 and JPt100 resistance temperature detectors, providing precise temperature measurement for process control applications.
• Wide Temperature Ranges: The RTD input supports Pt100 sensors from -200 to +850 degrees Celsius and JPt100 sensors from -200 to +650 degrees Celsius, covering virtually all industrial temperature monitoring requirements.
• Broad Ambient Operating Range: The module rack operates reliably in ambient temperatures from 0 to 55 degrees Celsius, suitable for most industrial environments without additional climate control.
• Compact Design: With a total weight of only 2.800 kg, this module rack offers high functionality density in a space-efficient form factor ideal for crowded control panels.
• Made in Korea: Manufactured to Honeywell's global quality standards with rigorous testing and inspection procedures.

Technical Specifications

Specification	Details
Manufacturer	Honeywell
Product Series	MasterLogic-200
Components Included	2MLR-AC22, 2MLR-DBSF, 2MLF-RD4A
Input Power	AC200-240Vac, 50/60Hz
Output Power	5Vdc, 5.5A
RTD Input Type	Pt100 (-200 to +850 deg C), JPt100 (-200 to +650 deg C)
Ambient Temperature Range	0 to 55 degrees Celsius
Serial Numbers	11042001161, 50027097055 (V1.2)
Country of Origin	Korea
Weight	2.800 Kg

Applications & Use Cases

The Honeywell MasterLogic-200 Module Rack with RTD input capability is suitable for a wide range of industrial temperature monitoring and process control applications. Its primary deployment areas include:

Process Temperature Monitoring

Chemical plants, refineries, and food processing facilities require precise temperature monitoring at multiple points throughout their production processes. The 2MLF-RD4A RTD input module connects directly to Pt100 and JPt100 temperature sensors, providing accurate temperature readings for reactor vessels, heat exchangers, ovens, and storage tanks across the full industrial temperature range.

HVAC and Building Automation

Large commercial buildings, hospitals, and industrial facilities use the MasterLogic-200 to monitor and control heating, ventilation, and air conditioning systems. The RTD input module reads temperature sensors in air handling units, chilled water loops, and boiler systems, enabling the PLC to maintain comfortable and efficient indoor environments.

Power Generation and Distribution

Power plants monitor temperatures in turbines, generators, transformers, and switchgear to prevent overheating and ensure reliable electricity generation. The wide temperature range of the 2MLF-RD4A module (-200 to +850 deg C) covers all temperature monitoring points in conventional and renewable power generation facilities.

Water and Wastewater Treatment

Municipal and industrial water treatment plants monitor water temperature at various stages of the treatment process. The MasterLogic-200 with RTD inputs provides accurate temperature data for process optimization, regulatory compliance reporting, and equipment protection.

Manufacturing and Assembly

Manufacturing processes such as plastic injection molding, metal heat treatment, and semiconductor fabrication require precise temperature control to ensure product quality. The Honeywell PLC provides the reliable temperature monitoring and control capabilities these demanding applications require.

Why Choose the Honeywell MasterLogic-200 Module Rack

Honeywell has earned its reputation as a global leader in industrial automation through decades of innovation and consistent quality. The MasterLogic-200 series embodies this heritage with several compelling advantages:

Global Voltage Compatibility

The 2MLR-AC22 power supply's acceptance of AC200-240Vac at either 50 or 60 Hz eliminates the need for voltage transformers or region-specific power supply modules. This global compatibility simplifies system design for multinational companies and equipment exporters while reducing spare parts inventory requirements.

Wide Temperature Measurement Range

The 2MLF-RD4A RTD input module covers temperature ranges from -200 to +850 degrees Celsius with Pt100 sensors, accommodating virtually every industrial temperature monitoring requirement. This wide range eliminates the need for multiple specialized input modules, reducing system complexity and cost.

Compact and Lightweight Design

At just 2.800 kg, this module rack packs significant functionality into a compact footprint. The space-efficient design is particularly valuable in control panel applications where available space is limited and every square centimeter counts.

Proven Honeywell Reliability

Honeywell's MasterLogic series has been deployed in thousands of industrial control applications worldwide, earning a reputation for dependable operation in demanding environments. The proven design platform and global support infrastructure provide peace of mind for system integrators and end users alike.

Compatibility & Integration

The Honeywell MasterLogic-200 Module Rack is designed for seamless integration into Honeywell control system architectures and third-party automation platforms. Key compatibility features include:

• MasterLogic-200 Ecosystem: Fully compatible with other MasterLogic-200 CPU modules, I/O modules, and communication modules, enabling flexible system expansion and customization.
• Honeywell Experion Integration: Can be integrated with Honeywell's Experion Process Knowledge System (PKS) for comprehensive process control and information management.
• Standard RTD Sensor Compatibility: The 2MLF-RD4A module works with industry-standard Pt100 and JPt100 temperature sensors from any manufacturer, providing flexibility in sensor selection.
• DIN Rail or Panel Mounting: The module rack can be mounted on standard 35mm DIN rail or direct-panel mounted using appropriate hardware, accommodating various control panel designs.
• Serial and Ethernet Communication: When paired with appropriate communication modules, the MasterLogic-200 supports Modbus TCP/IP, EtherNet/IP, and proprietary Honeywell protocols for integration with SCADA and MES systems.

Maintenance & Support

The Honeywell MasterLogic-200 is designed for reliable, low-maintenance operation in industrial environments. Routine maintenance typically includes periodic inspection of connections, verification of power supply output voltages, and confirmation of temperature readings against calibrated reference standards. The modular design allows individual modules to be replaced without disturbing the remainder of the system, minimizing downtime during maintenance activities.

At Auto2mation, every used product we sell undergoes thorough inspection and functional testing before shipment. This Honeywell MasterLogic-200 module rack comes with our standard 30-day warranty and free worldwide shipping. Our technical team is available to assist with installation questions, wiring guidance, and integration recommendations to ensure your control system operates at peak performance.

Frequently Asked Questions

Q1: What components are included in this Honeywell module rack?

This module rack includes three main components: the 2MLR-AC22 power supply module, the 2MLR-DBSF backplane, and the 2MLF-RD4A RTD input module. Together, these components provide power distribution, module communication, and temperature sensor input capabilities.

Q2: What temperature sensors are compatible with the 2MLF-RD4A module?

The 2MLF-RD4A RTD input module supports Pt100 sensors with a range of -200 to +850 degrees Celsius and JPt100 sensors with a range of -200 to +650 degrees Celsius. These are industry-standard resistance temperature detectors available from multiple sensor manufacturers.

Q3: What input voltage does this module rack require?

The 2MLR-AC22 power supply accepts AC200-240Vac at either 50 or 60 Hz, making it compatible with industrial power systems worldwide without requiring voltage conversion.

Q4: Is this a new or used Honeywell module rack?

This Honeywell MasterLogic-200 module rack is offered in used condition. It has been thoroughly inspected and tested by our technical team and comes with Auto2mation's 30-day warranty and free worldwide shipping.

Q5: What is the operating temperature range for this module rack?

The module rack is rated for ambient operating temperatures from 0 to 55 degrees Celsius, which is suitable for most industrial environments without additional cooling or heating.

Q6: Can this module rack be expanded with additional I/O modules?

Yes, the MasterLogic-200 backplane provides slots for additional I/O modules. You can expand the system with digital input, digital output, analog input, analog output, and communication modules as your application requirements grow.

Q7: What warranty does Auto2mation provide?

Auto2mation provides a 30-day warranty on this Honeywell module rack along with free worldwide shipping. Our technical support team is available to assist with installation, configuration, and troubleshooting questions.

Related Products from Auto2mation

Explore our extensive inventory of Honeywell automation equipment, industrial PLCs, and process control instrumentation. Here are related products that may complement your MasterLogic-200 system:

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