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ABB SDCS-PIN-4 Power Interface Board  

1. Key Parameters

• Product Model: SDCS-PIN-4
• Order Code Reference: Typically paired with high-power ACS880 VFD kits (e.g., ACS880-04-1600A-7, 3ABD00013075) for procurement consistency
• Product Series: ABB ACS880 VFD High-Power 3-Phase Power Interface Boards
• Core Function: Conditions high-current 3-phase AC input; distributes power to ACS880 rectifier modules and control subsystems; provides multi-layer surge/overcurrent/overtemperature protection; enables real-time power status monitoring
• AC Input Specifications:
  • Input Type: 3-phase AC (L1, L2, L3) + protective earth (PE); neutral (N) optional for 4-wire systems
  • Voltage Range: 380V~480V AC (line-to-line); 220V~240V AC (line-to-line, via optional voltage tap)
  • Frequency Range: 50Hz~60Hz (auto-adaptive to regional power grids)
  • Maximum Input Current: 40A (continuous); 60A (peak, 10s duration for VFD startup)
  • Input Protection:
    • 45A thermal-magnetic circuit breaker (manual reset; triggers on overload/short-circuit)
    • Surge protection (IEC 61000-4-5: ±6kV air discharge, ±4kV contact discharge)
    • EMC Filter (Class C+; enhanced noise suppression for high-power environments)
• Power Distribution Outputs:

  Output Type	Target Component	Voltage Rating	Current Rating (Continuous)	Current Rating (Peak)	Key Function
  3-Phase AC Output	ACS880 Rectifier Modules	380V~480V AC	40A	60A (10s)	Supplies power for DC bus generation
  Isolated Control Power	ACS880 Control Board (SDCS-CON-2)	24V DC (regulated)	3.0A	4.0A (10s)	Powers control electronics and I/O circuits
  Auxiliary Power Output	ACS880 Cooling Fans/Sensors	24V DC	2.0A	3.0A (10s)	Powers VFD cooling systems and status sensors

• Monitoring & Control Interfaces:
  • Digital Status Outputs: 4× 24V DC outputs (for "AC Input Present," "Circuit Breaker Tripped," "Over temperature," "EMC Fault")
  • Internal Communication: ABB proprietary CAN bus interface with ACS880 control board; transmits real-time power data (input current, voltage, temperature)
  • Test Points: Accessible terminals for measuring input voltage, current, and control power (no specialized tools required)
• Electrical Safety Features:
  • Isolation: 3kVrms (between AC input and control power); 2kVrms (between individual output channels)
  • Over temperature Protection: Thermal sensor (triggers at 70℃; shuts down non-critical outputs to prevent component damage)
  • Grounding: Dedicated PE terminal (compliant with IEC 60364); low-resistance (<0.5Ω) grounding path for fault current dissipation
• Mechanical Specifications:
  • Form Factor: Reinforced PCB with aluminum heatsink and metal mounting brackets (for heat dissipation and structural stability)
  • Dimensions (W×H×D): 250mm × 200mm × 40mm (custom fit for high-power ACS880 VFD chassis)
  • Mounting: Screw-mounted (6 M4 screws; secures to ACS880 internal chassis)
  • Weight: Approximately 750g (includes heatsink and metal brackets)
  • LED Indicators (on front panel):
    • AC Input (AC IN): Green (3-phase input normal); Off (no input/breaker tripped)
    • Control Power (CTRL PWR): Green (24V DC normal); Red (control power fault)
    • Temperature (TEMP): Green (board temp <50℃); Amber (50℃~70℃ warning); Red (>70℃ shutdown)
    • EMC Filter (EMC): Green (filter operational); Red (filter fault)
    • Fault (FLT): Red (general fault, e.g., surge/overcurrent)
• Environmental Ratings:
  • Operating Temperature Range: -10℃~+65℃ (14℉~149℉; extended range for high-power VFDs)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉; no component degradation)
  • Humidity Tolerance: ≤95% RH (non-condensing, 40℃; suitable for damp industrial settings)
  • Vibration Resistance: 10~500Hz, 2g acceleration (IEC 60068-2-6; no terminal loosening or heatsink damage)
  • Shock Resistance: 25g acceleration (11ms duration, IEC 60068-2-27; maintains structural integrity)
• Compliance Standards: IEC 61800-5-1 (adjustable speed drives), EN 61000-6-2 (EMC immunity), UL 508C (industrial safety), CSA C22.2 No. 14 (Canadian safety), CE, RoHS

2. Key Features

• High-Power ACS880 Exclusivity: Custom-engineered for medium-to-high-power ABB ACS880 VFDs (up to 250kW)—matches the high-current demands of large rectifier modules and control subsystems, eliminating compatibility risks from generic power interfaces (e.g., insufficient current capacity, voltage mismatches).
• Enhanced Power Conditioning: Integrates EMC Class C+ filters and ±6kV surge protection to suppress high-level electrical noise (common in high-power environments like mining or steel mills) and shield the VFD from grid transients—ensures stable DC bus voltage and prevents control board malfunctions.
• Multi-Layer Protection: Combines 45A circuit breakers, 3kVrms isolation, and 70℃ over temperature shutdown—provides comprehensive defense against overloads, short circuits, voltage spikes, and thermal damage, protecting expensive ACS880 components (e.g., IGBT modules, rectifiers).
• High-Current Distribution: Supports 40A continuous/60A peak 3-phase output to power ACS880 rectifier modules—enables reliable DC bus generation for high-power motors (e.g., 250kW centrifugal compressors, large mining conveyors).
• Isolated High-Current Control Power: Delivers 3.0A continuous 24V DC control power (isolated from AC input) to energize multiple auxiliary components (e.g., additional I/O modules, communication cards)—avoids the need for external power supplies and simplifies VFD wiring.
• Thermal Management: Integrated aluminum heatsink dissipates heat from high-current components (e.g., surge protectors, power regulators)—extends board service life in high-temperature environments (up to +65℃) and prevents thermal throttling.
• Global Grid Adaptability: 380V~480V AC input (with 220V~240V optional tap) and 50/60Hz auto-adaptation support international deployment—no hardware modifications required for use in Europe, Asia, North America, or emerging markets.

3. Application Fields

• High-Power ACS880 VFD Systems: Primary application—powers and protects large ACS880-driven industrial equipment:
  • Mining & Minerals: Distributes 3-phase power to 200kW~250kW ACS880 VFDs driving mine conveyors and ore crushers; enhanced surge protection resists grid transients from remote mining power grids, while 2g vibration resistance withstands mechanical stress from material transport.
  • Chemical & Petrochemical: Supplies power to ACS880 VFDs for 150kW~250kW centrifugal compressors (ethylene/propylene production); EMC Class C+ filtering reduces noise from nearby high-voltage pumps, ensuring stable compressor speed control.
  • Steel Manufacturing: Routes power to ACS880 VFDs for 200kW rolling mill drives; over temperature protection prevents board damage in hot mill environments (up to +65℃), while high-current distribution supports dynamic load changes during metal rolling.
• Large-Scale Infrastructure: Enables reliable operation of high-power motors in:
  • Water & Wastewater Treatment: Powers ACS880 VFDs for 150kW~250kW axial flow pumps (municipal water distribution); isolated control power protects electronics from damp environments, and auxiliary power supports advanced pump monitoring sensors.
  • Power Generation: Distributes power to ACS880 VFDs for 200kW boiler feedwater pumps (fossil fuel power plants); 3kVrms isolation prevents ground loops from affecting VFD logic, ensuring continuous pump operation for boiler efficiency.
• Heavy-Duty Industrial Processes: Supports demanding workflows in:
  • Cement Manufacturing: Supplies power to ACS880 VFDs for 180kW kiln drives; dust-resistant design (when paired with IP54 ACS880 enclosures) withstands cement dust, while thermal management handles high ambient temperatures in kiln areas.
  • Marine & Offshore: Powers ACS880 VFDs for 200kW offshore platform pumps; 3kVrms isolation resists saltwater-induced corrosion and ground loops, while wide temperature range (-10℃~+65℃) adapts to offshore climate fluctuations.

4. Precautions

• ACS880 VFD Exclusivity: Use exclusively with medium-to-high-power ABB ACS880 VFDs (150kW~250kW). Never install in older ABB VFDs (e.g., ACS550) or non-ABB systems—electrical mismatches (e.g., input current capacity, backplane pinout) will damage the board, rectifier modules, or control components.
• High-Voltage & High-Current Safety:
  • Disconnect all external AC power and discharge the ACS880 DC bus (wait 25 minutes) before handling the SDCS-PIN-4—3-phase AC input (up to 480V) and DC bus (up to 650V) pose severe shock and arc flash risks.
  • Use insulated tools and wear arc-rated personal protective equipment (PPE) when working near the board’s power terminals—high-current arcs can cause severe injury.
• Wiring Guidelines:
  • Use 3-phase cables rated for ≥480V AC and 45A (e.g., 4AWG copper) for input connections; undersized cables cause overheating, terminal damage, and circuit breaker tripping.
  • Ensure proper phase alignment (L1→L1, L2→L2, L3→L3) when connecting to ACS880 rectifiers—reverse phasing destroys rectifier IGBTs and voids warranties.
  • Torque power terminals to ABB-specified values (2.5 N·m for main AC terminals); loose connections create arcing, leading to terminal melting and fire hazards.
• Load Limits:
  • Do not exceed the 40A continuous input current rating. Calculate total VFD power (≤250kW for ACS880) and ensure connected loads (e.g., rectifiers, auxiliary fans) do not exceed this limit—overloading triggers protection circuits and disrupts VFD operation.
  • Limit auxiliary power output (24V DC) to 2.0A continuous; connecting high-current devices (e.g., external heaters) causes control power voltage drops, leading to VFD logic errors or shutdowns.
• Environmental Limitations:
  • Avoid operating above +65℃ or below -10℃—high temperatures degrade surge protector performance, while low temperatures increase EMC filter impedance, reducing noise suppression.
  • Install the ACS880 VFD in a dust-tight, waterproof enclosure (IP54 or higher) in harsh environments (e.g., mining, cement plants)—dust accumulation on the heatsink reduces thermal dissipation, triggering over temperature faults.
• Maintenance Checks: Inspect quarterly (with VFD powered off):
  • Verify all LEDs show normal status (AC IN green, CTRL PWR green, TEMP green, EMC green, FLT off).
  • Clean the aluminum heatsink with compressed air (low pressure, no moisture) to remove dust—blocked heatsinks increase board temperature, shortening component life.
  • Test the circuit breaker by simulating a 45A overload (via ABB Service Tool)—confirm it trips and isolates the rectifier from input power.
  • Check for corrosion on power terminals (common in damp/offshore environments)—treat with anti-corrosion grease and replace damaged terminals to maintain conductivity

The structure and details of the product：

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