Description
Metso D202593L
Technical Specifications
Brand: Metso
Product Model: D202593L
Product Type: High-Performance Controller Module
Dimensions: Compact modular form factor suitable for embedded and standalone applications
Mounting Type: DIN rail or rack-mounted
Operating System: Hardened Linux OS
Supply Voltage: 24 V DC
Operating Temperature: 0°C to 60°C (32°F to 140°F)
Storage Temperature: -20°C to 70°C (-4°F to 158°F)
Relative Humidity: 5% to 95% (non-condensing)
Communication Interfaces: Ethernet, backplane bus connection
Protection Rating: IP20 (when installed in control cabinet)
Certification Standards: CE, UL compliant
Cooling Method: Passive cooling (fanless design)
Functional Features
High-Performance Processing: Designed for demanding industrial control applications requiring fast control cycles and rapid response times
Hardened Linux Operating System: Features a secure Linux OS optimized for industrial control applications with enhanced stability and security
Cybersecurity Features: Includes built-in access control and Denial of Service (DoS) detection to protect against cyber threats
Redundancy Support: Supports one-to-one redundancy configurations for critical applications requiring maximum availability
Removable SD Card: Enables easy software and parameter updates or module swapping without specialized tools
Compact Design: Suitable for both embedded and standalone applications with space-efficient footprint
Robust Construction: Built with industrial-grade components for long lifecycles and minimal maintenance requirements
Passive Cooling: Fanless design eliminates moving parts, reducing maintenance needs and improving reliability in dusty environments
Multiple Communication Protocols: Supports various industrial communication protocols including Ethernet for flexible system integration
Application Scenarios
Mineral Processing: Primary controller for grinding circuits, flotation plants, crushing operations, and dewatering systems
Pulp and Paper: Control of continuous and batch processes in pulp mills and paper machines
Metals Processing: Automation of smelting, refining, and casting operations
Power Generation: Control of auxiliary systems and balance-of-plant processes in power plants
Water and Wastewater Treatment: Process control for treatment plants and pumping stations
Chemical Processing: Batch and continuous process control in chemical manufacturing facilities
Critical Infrastructure: Applications requiring high availability and cybersecurity protection
Performance Parameters
Control Cycle Time: Fast control cycles suitable for demanding real-time applications
Processing Speed: High-performance processor for complex control algorithms and data processing
Communication Speed: High-speed Ethernet and backplane communication
Reliability: Designed for continuous 24/7 operation with minimal maintenance
Mean Time Between Failures: Engineered for high MTBF suitable for critical process applications
Redundancy Switchover Time: Fast failover in redundant configurations to minimize process disruption
Material Composition
Industrial-grade multi-layer printed circuit board with surface-mounted electronic components, high-performance processor chip running hardened Linux OS, Ethernet communication controller and PHY chips, precision memory modules (RAM and flash storage), SD card slot for removable storage, industrial-grade power supply circuitry with overvoltage and overcurrent protection, aluminum housing for structural integrity and passive heat dissipation, flame-retardant materials compliant with UL94 V-0 standards, gold-plated connector pins for reliable signal transmission
Structural Features
Compact modular form factor designed for DIN rail or rack mounting, front-panel LED indicators for power status, run/stop status, communication activity, and fault conditions, removable SD card slot for software and configuration storage, Ethernet port(s) for network connectivity, backplane connector for integration into Metso control system rack, passive cooling design with heat-dissipating enclosure and no moving fans, robust aluminum or reinforced polymer housing suitable for industrial control cabinet environments, mounting clips or screws for secure installation, clearly labeled connectors and indicators for easy identification
Working Principle
The D202593L operates as a high-performance controller within Metso’s automation architecture. It runs a hardened Linux operating system that provides a stable and secure platform for executing control algorithms and managing communication with field devices and other system components. The controller receives process data from input modules and field instruments via the backplane bus and Ethernet interfaces. It executes control algorithms at fast cycle rates, processing the input data and generating output commands for actuators and output modules. The controller communicates with operator workstations, engineering stations, and other controllers over the Ethernet network, exchanging process data, alarm information, and configuration parameters. The built-in cybersecurity features monitor network traffic for unauthorized access attempts and DoS attacks, protecting the control system from cyber threats. In redundant configurations, two controllers operate in parallel with one acting as primary and the other as standby. The standby controller continuously synchronizes with the primary, and in the event of a primary controller failure, the standby takes over control with minimal disruption to the process. The removable SD card stores the operating system, control application software, and configuration parameters, allowing for easy replacement or upgrade of the controller module.
Installation Requirements
Verify the module is undamaged and all accessories including the SD card are complete before installation
Mount the module securely in a compatible Metso control system rack using the provided mounting hardware
Ensure adequate ventilation around the module to maintain operating temperature within 0°C to 60°C; although passively cooled, sufficient air circulation is required
Insert the SD card containing the appropriate software and configuration into the SD card slot before powering the module
Connect Ethernet cables using Cat5e or Cat6 shielded cables for network connectivity
Connect the module to the backplane bus ensuring proper seating and connection
Configure network parameters including IP address, subnet mask, and gateway using the engineering software
Configure redundancy settings if operating in a redundant pair
Verify that the supply voltage is within the specified range (24 V DC) before powering the system
Install the module in a control cabinet with appropriate environmental protection (IP rating suitable for the installation location)
Ensure proper grounding of the module and the control cabinet
Usage Precautions
Do not remove the SD card while the controller is powered on to prevent data corruption
Ensure the module is properly seated in the rack before applying power
Regularly check the module’s LED indicators for any fault conditions and address them promptly
Back up the controller configuration and application software before making changes to the system
Keep the module clean and free of dust accumulation that could impair heat dissipation
Apply the latest security patches and firmware updates as released by Metso to maintain cybersecurity protection
Use strong passwords for access control and follow Metso’s cybersecurity guidelines
Handle the module with care during installation to avoid electrostatic discharge damage to sensitive electronic components
In redundant configurations, verify that both controllers are properly synchronized before relying on the redundancy
Refer to the official Metso documentation for detailed configuration, troubleshooting, and cybersecurity procedures
Contact Metso technical support for application-specific configuration guidance and support





