Product Core Brief
- Model: D200136L (Full part code ADC5483)
- Brand: Metso Automation (now Valmet, legacy MasterPiece 2001 pulp & paper DCS platform)
- Series: ACN CS rack power supply family ⚠️ Fully discontinued EOL, only new original surplus & factory refurbished spare stock available
- Core Function: Convert universal factory AC mains to stabilized 28VDC isolated rack backplane power; supply power to D201925 main CPU, D200175 PMM personality module, analog/digital I/O cards (D201189, D200136 series) and communication boards; multi-stage fault protection prevents full rack shutdown caused by single field loop overload.
- Product Type: 3U Eurocard hot-swappable rack-mount industrial AC-DC power supply
- Key Specs: 115/230VAC auto-sensing wide mains input; 28VDC 9A max DC output; multi-isolated rails for logic & field I/O; hot-swap design; compatible with full MasterPiece 2001 rack hardware; Condition: New Original Surplus / Factory Refurbished
Product Introduction
The Metso (ADC5483) is a standard rack power supply for Metso MasterPiece 2001 distributed control systems widely deployed on pulp, paper, tissue and board production lines. It works alongside or as an alternative to D201832 IPSPS power supplies for medium-size 6–10 slot DCS racks.It adopts isolated multi-rail design: independent power channels for CPU/PMM logic circuits and field I/O loops. Short-circuit or overload on analog/digital field loops will only cut the corresponding I/O power rail, without crashing the D201925 main controller and triggering full process safe stop.Built-in hot-swap circuitry allows single power unit replacement without complete cabinet power-down, minimizing paper machine downtime during maintenance. OEM reliability testing records an MTBF of 93,000 operating hours under standard 40°C dusty pulp mill cabinet ambient. Compared with generic industrial power supplies, it is factory calibrated to suppress backplane bus noise that would lead to tension, basis weight and moisture control loop drift.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Full part identifier | / ADC5483 MasterPiece rack power supply |
| Mains input voltage | 85 ~ 264 VAC wide universal input, auto 115/230V detection, 50/60Hz |
| Input rated current | 4.5A @ 115VAC / 2.5A @ 230VAC |
| DC output specification | Nominal 28 VDC, maximum continuous output current 9 A |
| Total rated output power | 252 W multi-channel isolated DC rails |
| Rail isolation architecture | Separate isolated rails: CPU/PMM low-noise logic power + field I/O signal power |
| Hot-swap capability | Live rack insertion/removal, maintains process safe-state hold logic during swap |
| Integrated protection circuits | Overvoltage, undervoltage, reverse polarity, short-circuit per rail, overheat thermal shutdown, input surge suppression |
| Operating ambient temperature | -20°C ~ +60°C cabinet mounting; storage -40°C ~ +85°C |
| Form factor | Standard 3U single-slot vertical Eurocard for MasterPiece 2001 control racks |
| Mechanical dimensions | 305 mm L × 235 mm H × 68 mm D; unit weight approx. 3.0 kg |
| Front panel status indicators | LED indicators: mains OK, DC output healthy, thermal fault, channel short-circuit alarm |
| Safety compliance certifications | CE, UL, RoHS, SIL2 functional safety qualified for continuous pulp & paper process control |
| Mandatory matched hardware | D201925 ACN CS main CPU, D200175 PMM personality module, D201189 AI8H HART analog input card, D200xxx series AO/DI/DO I/O cards |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: Cross serial batch codes against original Metso factory production manifests to screen counterfeit aftermarket copies. Visually inspect backplane gold edge pins, AC input terminal blocks, cooling fin integrity and front panel status LED lenses for scratches or deformation.
- Live Functional Test: Insert into complete MasterPiece 2001 test rack equipped with D201925 CPU + D200175 PMM + mixed full I/O load. Supply 230VAC mains input, run a 24-hour continuous soak cycle at full rated output load; log DC output voltage stability, internal temperature and fault protection trigger thresholds hourly.
- Electrical insulation test: Use a 500 V Megger tester to verify isolation resistance between AC input, DC output and metal chassis ground; pass threshold >10 MΩ. Validate short-circuit rapid shutdown (<10ms) and overvoltage lockout protection for each isolated rail.
- System compatibility verification: Power up D201925 CPU and D200175 PMM via ; confirm normal controller boot, personality logic loading and all communication ports online via Metso MasterTool configuration software. Photograph front panel LED operating states for on-site commissioning reference.
- Final QC & Packaging: Place power supply into anti-static ESD foam packaging with plastic dust caps covering AC input and backplane connectors. Affix dated QC Pass sticker listing insulation resistance test data and total soak runtime before warehouse storage.
Replacement Pitfall Guide
❗ Rack Power Model Mismatch Risk: MasterPiece 2001 medium racks support and D201832, but the two models differ in output rail noise filtering parameters. Random cross-replacement may cause minor analog signal drift on ND9xxx valve positioner HART loops; full loop re-calibration is required after swapping. Generic third-party 24/28VDC power supplies lack multi-rail isolation, field short-circuits will crash the main CPU and trigger full machine safe stop.❗ Hot-swap operation misstep risk: Before hot-swapping , disconnect all heavy field I/O loads first. Sudden full-load insertion creates transient voltage dips that corrupt D200175 PMM flash memory storing production recipes and loop tuning parameters.❗ Mains input ground loop risk: AC input cable must use shielded wire with single-point cabinet ground only. Dual-end grounding introduces mains noise into DC output rails, leading to unstable 4–20mA analog values and intermittent ND9103HX valve positioning hunting faults.❗ Cooling vent blockage risk: Front and rear cooling fins must stay clear of dust and wiring obstructions. Blocked ventilation triggers thermal overheat shutdown, interrupting continuous pulp/paper production. In dusty mill environments, clean heat sink fins every 3 months.❗ ESD damage risk: Exposed backplane edge connectors and AC input terminals are highly ESD sensitive during cabinet disassembly. Use a grounded anti-static wrist mat during power supply swapping in low-humidity workshops; static discharge corrupts internal regulation PCB and causes uncommanded DC output drop faults.Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
Compatibility Matrix
- ACN CS Main Process Controller → : Direct Match — Native backplane multi-rail power pinout matching, zero cabinet mechanical modification required
- D200175 PMM Personality Memory Module → : Indirect Compatible — supplies low-noise isolated logic power for PMM flash storage
- MasterPiece 2001 DCS pulp/paper control racks (6–10 slots) → : Native Platform Matched — Designed for medium-size Eurocard rack architecture
- D201832 IPSPS high-capacity rack power supply → : Interchangeable with re-calibration; D201832 has higher total output power for 10–12 slot full racks
- Newer Valmet DNA / Advant 400 DCS Controllers → : Incompatible — Different rack form factor and power rail definition, cannot intermix hardware
Benchmarks
- DC output voltage fluctuation under full 252W rated load: ≤ ±0.08 VDC across all isolated rails
- Short-circuit protection response time: <10 ms to cut faulty field rail without interrupting CPU/PMM logic power
- Continuous standby idle power consumption: 10 W; full rated maximum load power draw: 248 W
