Description
1. Unboxing & Physical Snapshot
- Model & Brand: Metso / Valmet — D201925 (69235PR52A)
- Physical Dimensions: Approximately 305 mm x 235 mm x 68 mm (12.0 in x 9.3 in x 2.7 in).
- Estimated Shipping Weight: 3.0 kg (6.6 lbs) including industrial-grade corrugated protection and molded foam inserts.
- What’s in the Box: D201925 controller unit, pluggable screw terminal power blocks, factory compliance documentation sheet, and grounding lug hardware (note: communication patch cords and backplane racks are sold separately).
2. Product Introduction
Rack-mounted integration within the broader Metso DNA distributed control architecture dictates how this hardware anchors into central control room cabinets. Operating as an advanced processing node, the unit slots directly into standard backplane slots, bridging high-speed node buses with localized field input and output modules across complex industrial facilities (—which is critical for continuous process manufacturing lines).
Internal 32-bit RISC processing cores coupled with dedicated hardware logic manage real-time deterministic loops. Plant system architects rely on this dependable hardware platform to execute complex control algorithms in pulp mills, power generation stations, and heavy chemical plants without experiencing processing bottlenecks.
3. Core Technical Specifications
| Parameter | Value |
| Processor Type | 32-bit RISC high-performance embedded processor |
| System Memory | 256 KB RAM / 512 KB Flash storage |
| Input Voltage Range | 18 to 36 VDC isolated power input |
| Power Consumption | 15 Watts nominal operating draw |
| Communication Ports | RS-232, RS-485 serial channels, and high-speed Ethernet |
| Enclosure Protection | IP65 rated front-facing interface / IP20 chassis housing |
| Operating Temperature | -20^\circC to +60^\circC (-4^\circF to +140^\circF) |
| Physical Dimensions | 305 mm x 235 mm x 68 mm |
| Weight | 3.0 kg |
4. Global Compliance & Industry Certifications
Compliance audits fail instantly when control hardware lacks traceable regional safety documentation. This specific Metso controller configuration carries major international approvals.
- Certifications: CE Mark, RoHS environmental compliance, and general industrial low-voltage directives.
- Safety Relevance: The CE conformity rating ensures strict adherence to electromagnetic compatibility (EMC) standards, preventing high-frequency electrical feedback from tripping adjacent safety instrumented systems.
- Audit Note: Verify specific lot certificates with the original manufacturer prior to final plant safety sign-off.
5. Long-Term Storage & Asset Preservation Guide
Spare automation modules sitting on warehouse shelves face environmental degradation just as much as active field units (—such as electrolytic capacitor dielectric dry-out over extended storage durations). Protect your capital investment by implementing these maintenance directives:
- Maintain indoor warehouse climates where ambient temperatures stay between -10^\circC and +40^\circC while keeping relative humidity strictly below 60% to prevent moisture accumulation on multi-layer circuit boards.
- Keep the controller sealed inside its original anti-static moisture-barrier bag with active desiccant packs until the exact day of physical panel insertion.
- Inspect terminal block screw connections and metal housing surfaces annually for oxidation or white rust, wiping bare metal with a clean, dry cloth.
6. Physical Installation Prerequisites
Proper mechanical arrangement inside the control cabinet prevents localized heat trapping and signal degradation.
- Clearance Space: Leave at least 100 mm of vertical clearance above and below the controller chassis to ensure adequate convective airflow across the enclosure walls.
- Grounding Requirements: Fasten a low-impedance copper ground wire directly from the chassis ground stud to the cabinet backplane earth bar to eliminate common-mode noise.
- Mounting Mechanism: Bolt the unit securely to a flat sub-panel or standard rack chassis using all designated mounting holes.
7. Buyer’s FAQ (Logistics & Compliance Focus)
Q: What Harmonized System (HS) Tariff Code applies to this Metso controller for global freight forwarding?
A: Industrial process controllers generally fall under HS code 8537.10.9170 (Boards, panels, consoles for electrical control or power distribution). Always confirm classification with your licensed broker.
Q: Does this module ship with pre-loaded system firmware?
A: Yes, basic low-level boot firmware is factory-installed, but site-specific configuration software and control logic must be downloaded during commissioning.
Q: What is the Country of Origin (COO) for trade compliance filings?
A: This unit is manufactured in Finland (or designated European manufacturing facilities under Metso/Valmet ownership), requiring proper documentation on commercial import invoices.
Q: Is specialized transit insurance required for international shipping?
A: Yes, because precision surface-mounted components are vulnerable to heavy mechanical shock, insuring shipments against transit damage is strongly advised.



