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ABB DSQC662 Power Distribution Unit 

1. Key Parameters

• Product Model: DSQC662
• Order Code Reference: Typically paired with IRC5 controller system kits (e.g., 3HAC031685-001) and power cables for procurement
• Product Series: ABB IRC5 Robot Controller Industrial Power Distribution Units
• Core Function: Distributes AC/DC power to IRC5 subsystems and robot peripherals; provides overload/short-circuit protection for connected devices; isolates power circuits to prevent fault propagation
• Power Input Specifications:
  • Input Voltage: 230V AC (single-phase, nominal); 200V~240V AC (wide range for industrial grid fluctuations)
  • Input Frequency: 50Hz~60Hz (auto-adaptive to regional power standards)
  • Input Current: 16A (continuous; maximum input capacity for power distribution)
  • Input Protection: 16A thermal-magnetic circuit breaker (manual reset; triggers on overload/short-circuit)
• Power Output Specifications:

  Output Type	Number of Channels	Voltage Rating	Current Rating (Per Channel)	Application Scope
  AC Output (Regulated)	4	230V AC	5A (continuous)	IRC5 controller auxiliary modules, tool changers
  DC Output (Regulated)	6	24V DC	3A (continuous)	Sensors, small actuators, LED status lights
  DC Output (High-Current)	2	24V DC	10A (continuous)	Robot grippers, large actuators

  
  
  • Output Regulation: ±5% (for DC outputs; ensures stable voltage for sensitive electronics like sensors)
  • Output Protection: Each channel features independent overload protection (thermal fuses or electronic current limiting); short-circuit protection (≤1ms response time)
• Electrical Safety Features:
  • Circuit Isolation: 2.5kVrms isolation between input and output circuits; 1kVrms isolation between individual output channels (prevents ground loops and fault propagation)
  • Grounding: Dedicated protective earth (PE) terminal (compliant with IEC 60364); ensures safe current dissipation in case of insulation failure
  • Surge Protection: IEC 61000-4-5 (±4kV air discharge, ±2kV contact discharge) for input and high-current DC outputs (protects against power grid transients)
• Mechanical Specifications:
  • Housing Type: Die-cast aluminum (UL94 V-0 flame-retardant coating; provides EMI shielding and mechanical robustness)
  • Dimensions (W×H×D): 250mm × 180mm × 100mm (compact for wall/machine mounting in robot cells)
  • Mounting: Wall-mounted or machine-mounted (via included brackets; supports vertical/horizontal installation)
  • Weight: Approximately 2.8kg
  • Terminal Type: Screw terminals (for input power); locking industrial connectors (for outputs—prevents accidental disconnection)
  • LED Indicators (on front panel):
    • Input Power (AC IN): Green (input power present); Off (no input or input breaker tripped)
    • DC Output Status (DC 24V): Green (regulated DC power normal); Red (DC regulation fault or overload)
    • AC Output Status (AC 230V): Green (AC power distributed normally); Red (AC channel overload)
    • Fault (ALM): Red (general fault, e.g., short-circuit or isolation failure)
• Environmental Ratings:
  • Operating Temperature Range: -20℃~+60℃ (-4℉~140℉; wider range than IRC5 controller for flexible installation)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉; no component degradation during storage)
  • Humidity Tolerance: ≤95% RH (non-condensing, 40℃; suitable for damp manufacturing environments)
  • Vibration Resistance: 10~500Hz, 2g acceleration (IEC 60068-2-6; no terminal loosening or circuit damage)
  • Shock Resistance: 30g acceleration (11ms duration, IEC 60068-2-27; maintains structural and electrical integrity)
  • Ingress Protection: IP54 (dust-protected, protected against splashing water from all directions)
• Compliance Standards: IEC 60364 (electrical installation), IEC 61558 (power transformers), UL 508 (industrial control safety), CE, RoHS

2. Key Features

• IRC5 System Optimization: Custom-engineered for ABB IRC5 controllers—matches the power requirements of IRC5 subsystems (e.g., DSQC505 power supply, DSQC503A control board) and peripherals, eliminating compatibility risks from generic PDUs (e.g., voltage mismatches, insufficient current).
• Dual AC/DC Power Distribution: Integrates 4 AC 230V channels and 8 DC 24V channels (6 standard + 2 high-current) in one unit—consolidates power delivery for robot cells, reducing the need for multiple standalone power supplies and simplifying wiring.
• Independent Channel Protection: Each output channel features dedicated overload/short-circuit protection—prevents a fault in one device (e.g., a shorted gripper) from shutting down the entire PDU, ensuring continuity for critical robot operations.
• Industrial-Grade Ruggedness: Die-cast aluminum housing (IP54) and flame-retardant coating withstand dust, water splashes, and mechanical impact—suitable for installation in dirty or high-vibration environments (e.g., automotive welding cells, steel mills).
• 2.5kVrms Isolation: High-voltage isolation between input/output and across channels protects sensitive IRC5 electronics from ground loops and voltage transients (common in factory power grids)—prevents controller damage and unplanned downtime.
• Intuitive Fault Diagnostics: Front-panel LEDs for input power, output status, and general faults enable technicians to quickly identify issues (e.g., a tripped AC channel or DC regulation fault) without specialized tools, reducing troubleshooting time.
• Locking Output Connectors: Industrial locking connectors for DC outputs prevent accidental disconnection (a common issue in high-traffic robot cells)—ensures stable power to critical devices like grippers or tool changers during operation.

3. Application Fields

• IRC5 Robot Cell Power Distribution: Primary application—supplies power to IRC5 subsystems and peripherals in:
  • Automotive Manufacturing: Distributes power to IRC5 controller auxiliary modules (e.g., DSQC652 I/O units), robot welding tools, and safety light curtains; high-current DC channels power heavy-duty grippers for lifting car body parts.
  • Heavy Material Handling: Powers IRC5-based IRB 8700 robot peripherals (e.g., hydraulic grippers, position sensors) and conveyor drive actuators; IP54 rating withstands dust and vibration in steel mills or ports.
  • Electronics Production: Supplies stable 24V DC to sensitive sensors (e.g., PCB position detectors) and small actuators (e.g., SMT component grippers) for IRB 120 pick-and-place robots; ±5% DC regulation ensures sensor accuracy.
• Robot Peripheral Power Management: Supports power-hungry or distributed devices in:
  • Aerospace Manufacturing: Powers robotic tool changers (AC 230V) and torque sensors (DC 24V) for IRB 7800 drilling robots; isolated channels prevent tool faults from disrupting the IRC5 controller.
  • Food & Beverage Packaging: Distributes power to washdown-compatible conveyors (AC 230V) and vacuum grippers (DC 24V high-current) for IRB 360 delta robots; IP54 housing resists sanitizing chemical splashes.
• Safety-Critical Power Delivery: Ensures reliable power for safety systems in:
  • Pharmaceutical Production: Supplies power to sterile robot safety interlocks (e.g., emergency stops, door sensors) and cleanroom-compatible actuators; isolation prevents electrical interference with GMP-compliant processes.
  • Nuclear Power Auxiliaries: Powers radiation-shielded robot peripherals (e.g., inspection cameras, valve actuators) for IRC5-based maintenance robots; surge protection withstands power grid transients in nuclear facilities.

4. Precautions

• IRC5 System Exclusivity: Use exclusively with ABB IRC5 robot controllers and ABB-approved peripherals. Never connect non-ABB high-power devices (e.g., external heaters, non-ABB motors) to the PDU—exceeding channel current ratings causes overload and permanent damage.
• Input Power Compliance: Ensure incoming AC power matches the 200V~240V range (single-phase only). Do not connect to 3-phase AC power or voltages outside this range—this will trigger the input circuit breaker and may damage internal components.
• Overload Prevention:
  • Do not exceed the current rating of any output channel (e.g., 3A for standard DC channels, 10A for high-current DC channels). Use the PDU’s channel load table (included in documentation) to map devices and avoid overloading.
  • Calculate total load before connecting devices—sum of all output currents must not exceed the 16A input rating.
• Wiring Guidelines:
  • Use industrial-grade cables (minimum 16AWG for AC channels, 14AWG for high-current DC channels) for output connections. Undersized cables cause voltage drops and overheating.
  • Secure all terminal connections tightly (vibration can loosen screws over time)—loose connections create resistance, leading to overheating and channel failure.
• Environmental Limitations: While IP54-rated, do not expose the PDU to direct water jets (e.g., high-pressure washdown) or concentrated chemicals (e.g., solvents)—these degrade the aluminum housing and compromise isolation. Avoid operating above +60℃ to prevent thermal stress on components.
• Fault Handling:
  • If the input circuit breaker trips (AC IN LED off), disconnect all devices, reset the breaker, and check for short circuits or overloads before reconnecting. Do not bypass the breaker (e.g., with a jumper)—this creates a fire risk.
  • If a red output LED illuminates (e.g., DC 24V fault), power off the PDU and inspect the corresponding channel’s wiring and connected device for short circuits or internal faults.
• Maintenance Checks: Inspect quarterly:
  • Verify all LEDs show normal status (AC IN green, DC/AC outputs green, ALM off).
  • Test the input circuit breaker by simulating a minor overload (e.g., connecting a 6A device to a 5A AC channel)—confirm the breaker trips and cuts power.
  • Clean the PDU’s ventilation slots with compressed air (avoid moisture) to remove dust—blocked vents cause overheating and reduce component life.
  • Check for corrosion on terminals (common in damp environments)—clean with a dry cloth and apply anti-corrosion grease if needed

The structure and details of the product：

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