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ABB SDCS-PIN-205A Power Supply Module  

1. Key Parameters

• Product Model: SDCS-PIN-205A
• Order Code Reference: Typically paired with ACS880 VFD system kits (e.g., ACS880-01-090A-7, 3ABD00013048) for procurement consistency
• Product Series: ABB ACS880 VFD Internal Control Power Supply Modules
• Core Function: Converts ACS880 DC bus power to regulated low-voltage DC; supplies power to VFD control board, I/O circuits, and communication modules; provides overload/short-circuit protection for sensitive electronics
• Electrical Input Specifications:
  • Input Source: ACS880 VFD DC bus (450V DC ~ 650V DC; compatible with standard ACS880 rectifier output)
  • Input Current: 1.5A (max at 450V DC); 1.0A (max at 650V DC)
  • Input Protection: Passive surge suppression (IEC 61000-4-5: ±2kV contact discharge)
• DC Output Specifications:

  Output Channel	Voltage Rating	Current Rating (Continuous)	Current Rating (Peak, 10s)	Target VFD Components
  +5V DC	5V ±1%	3.0A	4.0A	VFD control board (SDCS-CON-2) CPU, memory
  +24V DC	24V ±2%	1.5A	2.0A	Digital/analog I/O circuits, communication modules
  +15V DC	15V ±2%	0.8A	1.0A	Analog signal conditioning circuits
  -15V DC	-15V ±2%	0.8A	1.0A	Complementary power for analog circuits

  
  
  • Output Ripple & Noise: ≤30mVpp (for +5V/+24V); ≤50mVpp (for ±15V)
  • Output Protection: Each channel features overcurrent protection (electronic current limiting) and short-circuit protection (<5ms response time)
• Electrical Safety Features:
  • Isolation: 2.5kVrms (between input DC bus and output channels; between individual output channels)
  • EMC Immunity: Compliant with IEC 61000-6-2 (industrial environment); resistant to EMI from VFD power modules
• Mechanical Specifications:
  • Form Factor: PCB (Printed Circuit Board) with reinforced edge connectors (compatible with ACS880 VFD’s internal power slot)
  • Dimensions (W×H×D): 120mm × 180mm × 25mm (custom fit for ACS880 VFD’s control compartment)
  • Mounting: Slot-mounted (secures to ACS880 VFD backplane via edge connectors; no additional screws)
  • Weight: Approximately 250g
  • LED Indicators (on board edge):
    • Power (PWR): Green (module powered on); Red (input power fault)
    • +5V Status (5V): Green (output normal); Red (overcurrent/short-circuit)
    • +24V Status (24V): Green (output normal); Red (overcurrent/short-circuit)
    • ±15V Status (15V): Green (output normal); Red (overcurrent/short-circuit)
    • Fault (FLT): Red (general module fault, e.g., overtemperature)
• Environmental Ratings:
  • Operating Temperature Range: -10℃~+60℃ (14℉~140℉; matches ACS880 VFD’s operating environment)
  • 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, 1.5g acceleration (IEC 60068-2-6; no solder joint failure)
  • Shock Resistance: 20g acceleration (11ms duration, IEC 60068-2-27; maintains structural integrity)
  • Cooling Method: Convection cooling (passive; no fans—reduces dust ingress and maintenance)
• Compliance Standards: IEC 60950-1 (safety of electrical equipment), EN 61204-3 (industrial power supplies), UL 508C (industrial control safety), CE, RoHS

2. Key Features

• ACS880 VFD Exclusivity: Custom-engineered for ABB ACS880 series VFDs—ensures perfect electrical matching with the VFD’s DC bus voltage range (450V~650V) and control components (e.g., SDCS-CON-2); eliminates compatibility risks from generic power supplies (e.g., voltage mismatches, insufficient current).
• Multi-Channel Regulated Outputs: Delivers four precise DC voltages (+5V, +24V, ±15V) to power all ACS880 control subsystems—avoids the need for multiple standalone power modules, simplifying VFD internal wiring and reducing failure points.
• Ultra-Low Ripple (<30mVpp): Minimizes electrical noise on critical +5V/+24V outputs, protecting sensitive components like the control board CPU and communication chips—ensures stable VFD operation in electrically noisy environments (e.g., near welding robots or high-voltage motors).
• Fast Output Protection (<5ms): Each channel’s overcurrent/short-circuit protection triggers in under 5ms, shutting down faulty outputs to prevent damage to expensive VFD components (e.g., control board, I/O modules)—reduces repair costs and unplanned downtime.
• 2.5kVrms High Isolation: Industrial-grade isolation between the high-voltage DC bus and low-voltage outputs prevents ground loops and voltage transients from reaching sensitive control electronics—critical for reliable operation in factories with unstable power grids.
• Passive Convection Cooling: Fanless design eliminates dust accumulation (a common cause of power supply failure in industrial settings) and removes fan maintenance requirements—extends module service life to ≥8 years under normal operation.
• Intuitive Status LEDs: On-board LEDs for each output channel and general faults enable technicians to quickly identify issues (e.g., a shorted +24V I/O circuit) without specialized test equipment, cutting troubleshooting time.

3. Application Fields

• ACS880 VFD Internal Power Supply: Primary application—powers control systems for ACS880-driven industrial equipment:
  • Heavy Industry: Supplies power to ACS880 VFD control boards in steel mill rolling mill drives and mining conveyor motors; low ripple ensures stable torque control even during voltage fluctuations from grid loads.
  • Manufacturing Lines: Energizes I/O circuits and communication modules in ACS880 VFDs for automotive assembly line conveyors; +24V output powers emergency stop sensors and Profinet communication chips.
  • Water & Wastewater Treatment: Powers control electronics in ACS880 VFDs for large water pump motors; passive cooling withstands damp environments in treatment plants, avoiding fan corrosion.
• Precision VFD Operation: Enables accurate control in:
  • Aerospace Component Manufacturing: Supplies low-noise +5V power to ACS880 VFD control boards for CNC machining center spindle drives; stable voltage ensures precise spindle speed regulation (±0.1% accuracy) for aircraft part machining.
  • Electronics Production: Powers analog signal conditioning circuits (via ±15V outputs) in ACS880 VFDs for SMT placement machine motors; low noise prevents analog signal drift, ensuring precise component placement.
• Harsh-Environment VFD Deployments: Supports reliable operation in:
  • Chemical Plants: Supplies power to ACS880 VFD control systems in explosive-proof enclosures (for pump/motor control); wide temperature range (-10℃~+60℃) adapts to varying plant conditions.
  • Marine & Offshore: Powers ACS880 VFDs in offshore oil platform pump systems; high isolation resists saltwater-induced ground loops, ensuring uninterrupted operation in harsh marine environments.

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