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ABB SDCS-PIN-25 Power Interface Card  

1. Key Parameters

• Product Model: SDCS-PIN-25
• Order Code Reference: Typically paired with ABB ACS VFD accessory kits (e.g., 3ABD00032105 for ACS880-04, 3ABD00032118 for ACS6080) for procurement consistency
• Product Series: ABB ACS880/ACS6080 Medium-to-High Power VFD Power Distribution & Isolation Cards
• Core Function: Distributes high-current regulated power to VFD internal components; provides reinforced electrical isolation between high-voltage and low-voltage circuits; monitors power quality (overcurrent/undervoltage/phase loss); transmits fault data to VFD control system for protective action
• Input/Output (I/O) Specifications:

  Interface Type	Details	Key Performance Metrics
  Power Inputs	- Primary: 24V DC (from VFD internal power supply; nominal); 18~30V DC (wide range) - Auxiliary: 230/400V AC (3-phase, for liquid cooling pumps/fans; selectable via DIP switch)	Primary Input Current: 10A (max); Auxiliary Input Current: 3A (per phase)
  Power Outputs	- Main Control Board: 24V DC, 5A (for SDCS-CON-4/5 high-performance control boards) - Cooling System: 24V DC, 4A (for liquid cooling pumps) + 230V AC, 2A (for fan arrays) - Advanced I/O Modules: 24V DC, 3A (for DSTD-X series I/O units with safety functions) - Auxiliary Sensors: 24V DC, 1.5A (for temperature/pressure transducers)	All DC outputs regulated to ±1% tolerance; AC outputs stabilized to ±5% tolerance

• Electrical Safety & Isolation:
  • Isolation Level: 3kVrms (between primary power input and low-voltage outputs; between 3-phase auxiliary input and DC outputs); 5kVrms (reinforced isolation for safety-related circuits)
  • EMC Immunity: Compliant with IEC 61000-6-2 (heavy industrial environment); ESD Protection: ±15kV (air), ±8kV (contact); Surge Protection: ±4kV (line-to-line)
  • Protection Functions: Overcurrent (output >120% rated current), undervoltage (input <18V DC), overvoltage (input >30V DC), phase loss (3-phase auxiliary input), overtemperature (>75℃); all faults trigger immediate shutdown of non-critical outputs
• Mechanical Specifications:
  • Form Factor: Heavy-duty PCB assembly with metal shielding (custom fit for ACS880-04/ACS6080 VFD internal chassis)
  • Dimensions (W×H×D): 180mm × 120mm × 40mm (includes shielding; optimized for high-power VFD layouts)
  • Mounting: Screw-mounted with shock-absorbing gaskets (secures to VFD chassis via 4 M4 screws; vibration-dampened)
  • Weight: Approximately 450g (including metal shielding and heavy-duty connectors)
  • LED Indicators (front panel):
    • Power (PWR): Green (24V DC input normal); Red (input voltage fault)
    • Output Status (OUT1~OUT4): Green (output active); Red (output overcurrent/short)
    • Auxiliary AC (AC AUX): Green (3-phase input normal); Red (phase loss/voltage fault)
    • Temperature (TEMP): Green (board temp <55℃); Amber (55℃~75℃ warning); Red (>75℃ protection)
    • Fault (FLT): Red (general fault; latches until reset via VFD or software)
• Environmental Ratings:
  • Operating Temperature Range: -25℃~+70℃ (-13℉~158℉)
  • Storage Temperature Range: -40℃~+90℃ (-40℉~194℉)
  • Humidity Tolerance: ≤95% RH (non-condensing, 50℃; suitable for high-moisture industrial areas)
  • Vibration Resistance: 10~500Hz, 2g acceleration (IEC 60068-2-6; no structural or electrical failure)
  • Shock Resistance: 25g acceleration (11ms duration, IEC 60068-2-27; maintains isolation integrity)
• Compliance Standards: IEC 61800-5-1 (adjustable speed drives), EN 61000-6-2 (EMC immunity), UL 508C (industrial safety), IEC 61508 (SIL 2 capable), CE, RoHS

2. Key Features

• High-Power VFD Exclusivity: Custom-engineered for ACS880-04 (160kW~630kW) and ACS6080 heavy-duty VFDs—optimized current handling (up to 10A primary input) and form factor match high-power VFD internal architectures; eliminates compatibility issues (e.g., insufficient current for liquid cooling systems) with generic interface cards.
• 3-Phase Auxiliary Input: Integrates 230/400V AC 3-phase input to power high-demand auxiliary systems (e.g., liquid cooling pumps for IGBT modules in 630kW VFDs)—avoids overloading single-phase supplies and ensures stable operation of critical cooling infrastructure.
• Reinforced 3kVrms/5kVrms Isolation: Enhanced isolation between high-voltage circuits (3-phase auxiliary input) and low-voltage controls (24V DC outputs) prevents ground loops and voltage surges (common in heavy-industry grids) from damaging sensitive VFD electronics—critical for reliable operation in steel mills and mining sites.
• Precision Power Regulation: DC outputs regulated to ±1% tolerance (24V ±0.24V) ensure stable power for high-performance control boards (e.g., SDCS-CON-5) and safety-related I/O modules—avoids erratic VFD behavior (e.g., speed fluctuations in 600kW motor drives) caused by voltage variations.
• Comprehensive Fault Protection: Advanced protection against overcurrent, undervoltage, phase loss, and overtemperature with <3ms response time—isolates faults to prevent cascading damage to expensive VFD components (e.g., IGBT modules, control boards) and connected motors.
• Shielded & Vibration-Dampened Design: Metal shielding reduces EMI emissions by 40% compared to unshielded cards; shock-absorbing mounting gaskets withstand 2g vibration—ensures reliable operation in high-vibration environments (e.g., mining crusher VFDs, industrial fan drives).
• Safety-Ready (SIL 2 Capable): Complies with IEC 61508 SIL 2 requirements, making it suitable for safety-instrumented functions in critical processes (e.g., emergency shutdown of 400kW water pump VFDs)—ensures safe failure rates for risk mitigation.

3. Application Fields

• ABB ACS880/ACS6080 High-Power VFD Systems: Primary application—power distribution for large VFD components:
  • Steel & Metals Industry: Distributes power in ACS880-04 VFDs driving 400kW~630kW rolling mill motors; 5A output supplies the SDCS-CON-5 control board (for precise speed control), while 4A cooling system output powers liquid cooling pumps—ensures stable operation during heavy rolling loads.
  • Mining Operations: Powers ACS6080 VFDs for 315kW~500kW mine conveyor motors; 3-phase auxiliary input drives fan arrays (for dust-prone VFD enclosures), and 3A I/O output feeds safety sensors (e.g., conveyor emergency stops)—withstands vibration from underground machinery.
• Large-Scale Water & Wastewater Infrastructure: Supports high-power pump VFDs:
  • Municipal Water Supply: Distributes power in ACS880-04 VFDs for 250kW~400kW water pump motors; 1.5A auxiliary output powers pressure transducers, while phase loss protection prevents pump damage from grid phase failures—ensures uninterrupted water supply to cities.
  • Industrial Wastewater Treatment: Powers ACS6080 VFDs for 160kW~315kW sludge pump motors; wide temperature range (-25℃~+70℃) adapts to outdoor pump stations, and humidity tolerance (95% RH) resists damp environments.
• Heavy-Duty Industrial Machinery: Enables reliable power for large drives:
  • Cement Manufacturing: Distributes power in ACS880-04 VFDs for 500kW~630kW kiln rotation motors; overtemperature protection (>75℃) triggers if VFD internal heat rises, preventing kiln shutdown due to power card failure—critical for continuous cement production.
  • Power Generation Auxiliaries: Powers ACS6080 VFDs for 200kW~350kW boiler fan motors; 3kVrms isolation prevents ground loops from power plant grids, while stable 24V DC output ensures precise fan speed control—optimizes boiler combustion efficiency.

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