ABB SDCS-POW-4-COAT Power Supply Module

Description

Technical Specifications

Basic Parameters

• Product Type: Switch-mode power supply module (conformal coated)
• Compatible Systems: ABB UNITROL® excitation systems, DCS500, DCS800 DC drives
• Input Voltage Range: 110–240 V AC (50/60 Hz) / 110–220 V DC (wide input tolerance ±15%)
• Output Voltages: +5 V DC, ±15 V DC, +24 V DC (fully galvanically isolated)
• Output Current Ratings:
  • +5 V DC: 3 A (max)
  • +15 V DC: 1 A (max)
  • -15 V DC: 0.5 A (max)
  • +24 V DC: 2 A (max)
• Total Output Power: 80 W (max continuous)
• Efficiency: ≥90% (full load conditions)
• Output Ripple & Noise: ≤30 mVpp (low-noise regulation)
• Switching Frequency: 50 kHz (high-frequency conversion)
• Dimensions: 230 mm (L) × 110 mm (W) × 34 mm (H)
• Weight: 0.35 kg (net)
• Mounting: PCB slot mounting (control cabinet chassis)
• Protection Class: IP20 (conformal coated PCB assembly)
• Conformal Coating: Industrial-grade acrylic lacquer (full PCB coverage)

Isolation & Safety Specifications

• Input-Output Isolation: 4000 V AC (1 minute)
• Output-Output Isolation: 2500 V AC (channel-to-channel)
• Isolation Resistance: ≥100 MΩ (500 V DC test)
• Leakage Current: <100 µA (240 V AC input)
• Safety Standards: IEC 60950-1, EN 60950-1, UL 60950-1, CSA C22.2 No. 60950-1

Environmental Specifications

• Operating Temperature: -20°C to +70°C
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5–95% (non-condensing, coated for high humidity)
• Vibration Resistance: 10–2000 Hz, 2 g (IEC 60068-2-6)
• Shock Resistance: 15 g, 11 ms (IEC 60068-2-27)
• EMC Compliance: EN 61800-3, EN 61000-6-2, EN 61000-6-4

Certifications & Compliance

• Safety Certifications: CE, UL, CSA
• Environmental Compliance: RoHS, REACH
• Quality Standard: ISO 9001:2015
• Marine Compliance: ABS, DNV, GL (for marine applications)

Key Functional Features

Multi-Channel Isolated Power Output

• Quad-Output Regulation: Four independent, regulated DC outputs for comprehensive system powering
• Full Galvanic Isolation: Complete electrical separation between input and all outputs eliminates ground loops
• Cross-Regulation: ±1% voltage stability across all load conditions
• Load Regulation: ±0.5% for varying load profiles (0–100% load)
• Line Regulation: ±0.2% for input voltage fluctuations (±15% nominal)

Conformal Coated Durability

• Harsh Environment Resistance: Coating repels oil, grease, salt spray, and industrial chemicals
• Moisture & Dust Protection: Sealed PCB prevents short circuits in high-humidity, dusty locations
• Corrosion Protection: Ideal for offshore, coastal, and chemical processing facilities
• Thermal Stability: Coating withstands extreme temperature cycling without cracking or peeling
• Extended Service Life: Reduces component aging, increases MTBF (≥500,000 hours)

Advanced Protection Mechanisms

• Input Overvoltage Protection (OVP): Clamps input voltage >265 V AC/DC and triggers shutdown
• Output Overcurrent Protection (OCP): Electronic current limiting per channel (auto-recovery)
• Output Short-Circuit Protection (SCP): Hiccup-mode protection for direct output shorts
• Overtemperature Protection (OTP): Thermal shutdown >125°C PCB temperature with fault indication
• Undervoltage Lockout (UVLO): Disables output <90 V AC/DC input
• Reverse Polarity Protection: Input polarity protection without fuse damage

High-Efficiency Performance

• Zero-Load Power Consumption: <1 W (energy-saving standby operation)
• Wide Input Range: Universal AC/DC compatibility for global application
• Fast Transient Response: <50 µs response to load step changes (10–90% load)
• Low Heat Generation: High-efficiency design minimizes thermal management requirements
• Power Factor Correction: ≥0.95 (reduces harmonic distortion, complies with EN 61000-3-2)

Diagnostics & Status Monitoring

• LED Status Indicators: Power-on (green), output normal (green), fault (red)
• Fault Signaling: Isolated digital fault output (24 V DC) for system PLC integration
• Non-Volatile Fault Logging: Stores last 10 fault events (overvoltage, overcurrent, overtemperature)
• Voltage Monitoring: Real-time output voltage sensing for precision control
• Self-Test Function: Power-on self-test (POST) verifies all outputs and protection circuits

Industrial Reliability Design

• Industrial-Grade Components: Long-life electrolytic capacitors (≥10,000 hours at 105°C)
• Surge Protection: 6 kV surge immunity (IEC 61000-4-5)
• EMI Filtering: Multi-stage input/output filtering for low electromagnetic emissions
• Hot-Swap Capability: Safe replacement under backup power without system shutdown
• Plug-and-Play Installation: Direct replacement for SDCS-POW-4 modules (backward compatible)

Application Scenarios

Power Generation Industry (Excitation Systems)

• Thermal Power Plants: UNITROL® excitation system power supply for turbo-generators
• Hydropower Stations: Excitation control cabinet power for hydro-generator units
• Gas Turbine Power Plants: Generator excitation system power modules
• Nuclear Power Plants: Safety-related excitation control power supplies
• Distributed Generation: Small-scale power plant generator excitation systems

Metals & Steel Industry

• DC Drive Systems: DCS800 drive control cabinet power for rolling mills
• Hot/Cold Rolling Mills: Main and auxiliary drive control power supplies
• Strip Processing Lines: Tension reel and coiler drive control power
• Wire Rod Mills: High-speed DC drive system power modules
• Aluminum Smelters: Electrolytic process drive control power supplies

Pulp & Paper Manufacturing

• Paper Machine Drives: DCS500/DCS800 drive power for forming, press, dryer sections
• Pulp Digester Systems: Excitation and drive control cabinet power supplies
• Coating & Laminating Lines: Multi-drive control system power modules
• Slitter Rewinders: Precision drive control power for tension systems

Oil & Gas Industry

• Offshore Platforms: Conformal coated power for excitation and drive systems
• Drilling Rigs: Draw works and rotary table DC drive control power
• Refinery Process Units: Fluid catalytic cracking drive power supplies
• Pipeline Pumping Stations: Multi-pump parallel drive system power modules

Mining & Mineral Processing

• Mine Hoists: Deep-shaft hoist DC drive control power supplies
• Grinding Mills: Ball mill and SAG mill drive system power modules
• Conveyor Systems: Long-distance belt conveyor drive control power
• Ore Processing Plants: Crushing and screening equipment drive power

Marine & Offshore Applications

• Vessel Propulsion: Marine generator excitation system power supplies
• Dynamic Positioning: Thruster drive control cabinet power modules
• Deck Machinery: Winch and crane drive system power supplies
• Offshore Vessels: Salt-spray resistant power for excitation systems

Chemical & Process Industries

• Chemical Processing Plants: Corrosion-resistant power for drive and excitation systems
• Fertilizer Plants: Process drive control power supplies
• Pharmaceutical Manufacturing: Clean environment drive system power modules
• Wastewater Treatment: Humidity-resistant control cabinet power supplies

General Industrial Automation

• Industrial Control Cabinets: Multi-output power for PLC and I/O systems
• Material Handling: Elevator and conveyor drive control power
• Packaging Machinery: Precision drive system power supplies
• Textile Machinery: High-speed drive control cabinet power modules
• Printing Presses: Web tension control drive system power supplies