Description
The part number D202593 refers to an industrial automation module manufactured by Valmet (formerly Metso Automation).
Product Overview
-
Manufacturer: Valmet / Metso Automation
-
Part Number / Model: D202593
-
Component Type: Distributed Control Unit / Fieldbus Interface / I/O Module
-
Platform: Valmet DNA Distributed Control System (DCS)
Key Specifications & Features
-
Network & Communication: Frequently functions as an interface module designed to link Valmet control systems to external fieldbus networks (such as Profibus DP), facilitating fast data exchange up to 12 Mbaud.
-
I/O Capacity: Designed to support and coordinate data routing for clustered peripheral or localized I/O blocks (often supporting configuration setups of up to 24 connected I/O modules depending on system architecture).
-
System Integration: Built for high-availability industrial process racks, supporting features like hot-swapping, robust EMI/EMC resistance, and real-time diagnostic event monitoring.
Industrial Deployment
-
Applications: Widely utilized in continuous heavy process automation fields—most notably in pulp and paper manufacturing, large-scale energy power plants, and chemical processing facilities running the Valmet DNA platform.
D202593
Product Overview
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | D202593 |
| Module Type | Distributed Control Unit (DCU) |
| Manufacturer | Valmet (Metso) |
| Applicable Platform | Valmet DNA DCS System |
| Processor | Industrial real-time processor |
| Power Supply | 10 ~ 32 VDC |
| Mounting Method | DIN rail mounting inside control cabinet |
| Communication Interfaces | Ethernet, serial communication channels, fieldbus interfaces |
| Supported Protocols | Modbus, Profibus DP, DNA internal bus protocol |
| Operating Temperature | -20℃ ~ +70℃ |
| Ambient Humidity | 5%–95% non-condensing |
| Protection Class | IP20 (cabinet internal installation) |
| Built-in Function | Independent offline control, program storage, fault event recording |
| Status Indicator LEDs | Power, run, communication and fault alarm indicators |
| Spare Part Status | Original production discontinued; new surplus and refurbished modules available |
Key Features
- Supports autonomous offline control, maintains continuous process operation if upper network communication fails
- Powerful real-time computing capability for PID regulation, sequence control and safety interlock logic
- Multiple communication ports enable flexible connection with HMI, remote I/O and third-party field devices
- Integrated comprehensive hardware self-diagnosis function for rapid fault positioning and troubleshooting
- Compact DIN rail structure, convenient installation and maintenance in standard control cabinets
- Industrial-grade anti-vibration PCB design suitable for long-term unattended continuous operation
- Rich onboard nonvolatile memory for storing control programs, trend data and fault logs
- Strict full part number verification required; different hardware revisions cannot be directly interchanged without configuration matching
- Perfectly compatible with Valmet DNA system architecture for system maintenance, spare replacement and retrofit projects
