Description
The METSO D202275 is an ACN MR controller associated with the Metso DNA automation platform, now under Valmet. It is used as a process controller for distributed control applications, providing high-speed execution of control logic and communication with the surrounding automation network.
The controller is designed for industrial process applications where fast control cycles, network connectivity, and redundant system architecture are required. Published product references identify the D202275 as an ACN MR controller within the Valmet DNA platform.
🔧 Control Function
The D202275 performs process-control calculations and manages communication between the control application, I/O system, and automation network. It can be integrated into redundant controller architectures for applications where continued operation is important.
🏭 Typical Applications
• Pulp and paper automation
• Mining and mineral processing
• Chemical processing
• Energy and power systems
• Water and wastewater treatment
• Industrial process control
• Marine automation
• Valmet DNA DCS installations
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Manufacturer | METSO / Valmet |
| Model | D202275 |
| Product Type | ACN MR Process Controller |
| Automation Platform | Valmet DNA |
| Controller Family | ACN MR |
| Control Cycle | Down to approximately 5 ms* |
| Ethernet Interfaces | 5 × 100 Mbit/s* |
| Redundancy | 1:1 Controller Redundancy Supported* |
| Power Supply | 24 VDC* |
| Operating System | Linux-based* |
| Fieldbus Support | Configuration-dependent |
| Installation | DIN Rail / Control Cabinet |
| Cooling | Fanless / No Moving Parts* |
| Operating Temperature | 0°C to +70°C* |
| Protection Rating | IP20* |
| Dimensions | Configuration-dependent |
| Weight | Approx. 0.5 kg* |
| Country of Origin | Finland* |
| Application | DCS / Process Automation |
*Specifications can vary with hardware revision and system configuration. Published references identify the D202275 as an ACN MR controller with 24 VDC supply, five 100 Mbit/s Ethernet connections, 1:1 redundancy support, and a control cycle down to approximately 5 ms.
⚡ Key Features
• ACN MR process-controller architecture
• Fast process-control execution
• 1:1 redundancy capability
• Multiple Ethernet connections
• Fanless industrial design
• Suitable for continuous process operation
• Integration with Valmet DNA automation systems
🔌 Communication & Integration
The D202275 is designed to operate within the Valmet DNA automation architecture. Ethernet interfaces provide connectivity with automation networks and associated system components. Fieldbus and communication functions depend on the complete system configuration.
🛠️ Installation Notes
Before installation, verify the complete identification D202275, hardware revision, controller configuration, power supply, network connections, and Valmet DNA software compatibility.
Mount the controller according to the cabinet installation requirements and connect the 24 VDC supply with correct polarity. Check network cabling and controller addressing before startup.
After installation, verify controller diagnostics, network communication, application loading, I/O communication, and redundancy status where applicable.
⚙️ Commissioning Checklist
• Verify model and hardware revision
• Confirm Valmet DNA compatibility
• Check 24 VDC supply
• Inspect Ethernet connections
• Verify controller configuration
• Check application download
• Test I/O communication
• Verify redundancy configuration
• Review system diagnostics
• Record commissioning parameters
⚠️ Compatibility Notice
The METSO D202275 is a dedicated ACN MR process controller and should not be treated as a generic PLC module. Replacement compatibility depends on the complete Valmet DNA architecture, hardware revision, software configuration, and network design.
For maintenance or replacement, verify the original module identification and system configuration before installation.
📦 Product Identification
Brand: METSO / Valmet
Model: D202275
Product Type: ACN MR Process Controller
Platform: Valmet DNA
Function: DCS Process Control
Application: Industrial Automation & Process Control



