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ABB IEPDS01 Power Supply Module  

1. Key Parameters

• Product Model: IEPDS01
• Order Code Reference: Typically paired with ABB system accessories (e.g., 3BSE008520R1 AC input cables, 3BSE003660R1 DC output terminals, 3BSE004127R1 redundancy cables, 3BSE004128R1 mounting clips)
• Product Series: ABB AC800M Power Supply Modules (Industrial AC-DC Conversion, 24V DC Regulated Output)
• Core Function: Converts 1-phase AC input to regulated 24V DC output; distributes power to AC800M I/O modules/peripherals; provides overload/short-circuit/overvoltage protection; supports parallel redundancy for high availability; monitors power status via LED indicators
• Electrical Specifications:

  Parameter	Details	Performance Metrics
  Input Power	- Voltage Range: 110V/230V AC ±15% (auto-adaptive); 50Hz/60Hz - Input Current: ≤2.5A (230V AC); ≤5A (110V AC) - Inrush Current: ≤30A (peak, 10ms)	Compatible with global industrial AC grids; Minimizes impact on plant power during startup
  Output Power	- Voltage: 24V DC ±2% (regulated, full load) - Output Current: 10A continuous; 15A peak (30s) - Total Output Power: 240W (24V DC × 10A) - Ripple & Noise: ≤50mVpp (20Hz~20MHz)	Powers up to 20 ABB I/O modules (e.g., 10× IIMSM01 mixed I/O); Low ripple ensures stable analog signal acquisition
  Protection Features	- Overload Protection: 110%~150% rated current (auto-recovery after fault removal) - Short-Circuit Protection: Electronic current limiting (≤18A); Auto-restart after short removal - Overvoltage Protection: 28V DC ±1V (clamping; prevents I/O module damage) - Over-temperature Protection: 85℃ (thermal shutdown; auto-restart at 70℃)	Protection response time: ≤50μs (short-circuit); Prevents cascading damage to AC800M I/O networks
  Redundancy Support	Parallel operation (up to 3 modules) for N+1 redundancy; Built-in current sharing (±5% balance)	Redundant modules ensure <1ms switchover; 99.99% power availability for 24/7 processes

• Mechanical Specifications:
  • Housing Material: Flame-retardant thermoplastic (UL94 V-0); Heat dissipation: Natural convection + aluminum heatsink
  • Dimensions (W×H×D): 38mm × 125mm × 150mm (DIN rail-mountable; fits AC800M I/O racks)
  • Mounting: 35mm standard DIN rail (TS 35/7.5); Snap-on installation (no tools required)
  • Weight: Approximately 380g
  • Terminals:
    - Input: 3-terminal spring-cage (L/N/PE)
    - Output: 2-terminal power contacts (+24V/0V) + 2-terminal remote sense (for voltage compensation)
  • LED Indicators:
    - Power (PWR): Green (AC input active)
    - Output (OUT): Green (24V DC normal); Red (overload/short-circuit/over-temperature)
    - Redundancy (RED): Green (parallel redundancy active); Off (standalone mode)
• Environmental Ratings:
  • Operating Temperature Range: -25℃~+70℃ (-13℉~158℉)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
  • Humidity Tolerance: 5%~95% RH (non-condensing, 40℃; suitable for control cabinet environments)
  • Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6; No output voltage deviation)
  • Shock Resistance: 20g acceleration (11ms duration, IEC 60068-2-27; Maintains regulation)
  • EMC Immunity: Complies with IEC 61000-4-2 (ESD: ±8kV contact); IEC 61000-4-4 (EFT: ±2kV); IEC 61000-4-6 (RS: 10V/m) | Resists noise from VFDs/motors |
• Compliance Standards: IEC 61558-2-1 (industrial power supplies), EN 61000-6-2 (EMC immunity), UL 508 (industrial safety), CE, RoHS, IEC 61508 (SIL 1 capable for power supply loops)

2. Key Features

• AC800M I/O Power Optimization: Exclusively designed for ABB AC800M distributed I/O modules—24V DC ±2% tight regulation and ≤50mVpp ripple match the power requirements of sensitive I/O electronics (e.g., analog ADC/DAC circuits in IIMSM01), eliminating signal distortion or module reset caused by generic power supplies.
• High-Density 240W Output in Compact Form: 38mm-wide form factor delivers 10A continuous current (240W)—fits densely packed AC800M I/O racks, replacing bulkier 50mm+ generic power supplies and reducing control cabinet space by 25%.
• Rapid, Comprehensive Protection: ≤50μs response to short-circuit/overload, 28V DC overvoltage clamping, and 85℃ thermal shutdown safeguard I/O modules from power transients—reduces I/O module replacement costs by 70% compared to unprotected power sources.
• N+1 Parallel Redundancy: Supports parallel operation of up to 3 modules with built-in current sharing (±5% balance)—if one module fails, others automatically take over (<1ms switchover), ensuring uninterrupted power for mission-critical processes (e.g., chemical reactor control, emergency shutdown systems).
• Remote Sense Voltage Compensation: Integrated remote sense terminals compensate for voltage drop in long DC cables (up to 50m)—maintains 24V DC ±2% at the I/O module terminals (vs. 22V DC with uncompensated supplies), ensuring stable operation of distant field I/O.
• Wide Operating Temperature Range: -25℃~+70℃ operating range withstands extreme cabinet temperatures (e.g., heat from nearby motors/VFDs or cold outdoor enclosures)—eliminates the need for additional heating/cooling in harsh environments, reducing system complexity.
• SIL 1 Safety Compliance: Meets IEC 61508 SIL 1 requirements for power supply loops—suitable for low-risk safety-related I/O networks (e.g., non-critical sensor power), aligning with industrial safety standards (e.g., ISO 13849-1).

3. Application Fields

• AC800M Distributed I/O Power Supply: Primary application—powering I/O modules in AC800M systems:
  • Manufacturing Line Control Cabinets: Supplies 24V DC to 10× IIMSM01 mixed I/O modules (sensors/actuators) and 5× IIMCP01 digital input modules in automotive assembly line cabinets; tight regulation ensures accurate torque sensor data (via IIMSM01 AI channels) for robotic welding.
  • Electronics SMT Plant I/O Racks: Powers 8× IMASI03 analog input modules (reflow oven temperature sensors) and 4× IMAOM01 analog output modules (conveyor speed controls); low ripple prevents temperature signal distortion, ensuring precise SMT soldering quality.
• Process Industry Field Enclosures: Power for distributed I/O in harsh process areas:
  • Chemical Plant Process Skids: Mounted in explosion-proof enclosures to power IIMSM01 modules (reactor pressure sensors) and IISAC01 digital control stations; wide temperature range (-25℃~+70℃) withstands skid heating from chemical reactions.
  • Oil Refinery Field I/O Racks: Supplies power to IIMCP02 communication processors and IIMSM01 modules (pump vibration sensors) in remote enclosures; remote sense compensates for 30m cable voltage drop, maintaining stable communication with AC800M.
• Power Generation Auxiliary Systems: Reliable power for plant I/O:
  • Thermal Power Plant Boiler Rooms: Powers IMAOM01 modules (boiler feedwater valve controls) and IIMCP01 modules (flame detector inputs) in high-temperature cabinet environments; thermal protection (85℃ shutdown) prevents damage from boiler heat.
  • Solar PV Farm Inverter Controls: Mounted in outdoor enclosures to power AC800M I/O modules (PV string current sensors); -25℃ cold-start capability ensures operation in winter, while 70℃ tolerance withstands summer enclosure heat.
• Infrastructure & Utility Automation: Power for public service I/O networks:
  • Municipal Water Treatment Plants: Supplies 24V DC to IIMSM01 modules (DO sensors) and IIMCP02 communication modules in treatment skid cabinets; parallel redundancy ensures uninterrupted power during pump maintenance, avoiding treatment process shutdowns.
  • Metro System Trackside Enclosures: Powers AC800M I/O modules (track temperature sensors) and IIADP01 annunciator panels in outdoor trackside cabinets; wide temperature range and EMC immunity resist rail voltage noise, ensuring reliable sensor data transmission.

4. Precautions

• System Compatibility (Critical): Use exclusively with ABB AC800M I/O modules and approved peripherals—never power non-ABB equipment (e.g., Siemens S7 modules, high-current motors) or devices requiring >24V DC; mismatched loads cause overload tripping or permanent module damage.
• Electrical Safety & Installation:
  • AC Input Caution: Input terminals carry 110V/230V AC—disconnect power and use lockout/tagout procedures before wiring; wear insulated gloves (1000V-rated) and use insulated tools to avoid electric shock.
  • Grounding Mandate: Connect the PE terminal to the system ground grid (resistance ≤0.5Ω); ungrounded units increase EMC interference and shock risk—verify ground continuity with a multimeter before power-on.
• Redundancy Configuration:
  • Parallel Module Setup: When using multiple modules in parallel, use ABB-approved redundancy cables and ensure all modules have the same firmware version—mismatched firmware or unapproved cables cause current imbalance (>5%), leading to premature module failure.
  • Load Distribution: Do not exceed 80% of total redundant capacity (e.g., 2×10A modules = 16A max load)—overloading the redundant bank triggers simultaneous overload protection, shutting down all modules.
• Wiring & Voltage Compensation:
  • Remote Sense Wiring: Connect remote sense terminals directly to the I/O module’s power terminals (not the cable midpoint)—incorrect wiring negates voltage compensation, leading to low voltage at the I/O module (e.g., 22V DC) and potential reset.
  • Cable Sizing: Use 1.5mm² copper cables for DC output (up to 10m) and 2.5mm² for longer runs (10~50m)—undersized cables cause excessive voltage drop (>1V), reducing output regulation to ±5% and degrading I/O performance.
• Environmental Limitations:
  • Temperature & Condensation: Do not operate above +70℃ or in condensing humidity—high temperatures (>70℃) reduce output current capacity (e.g., 10A → 8A at 75℃), while condensation causes terminal corrosion, leading to intermittent power loss. Install in ventilated cabinets for critical applications.
  • Mechanical Stress: Avoid excessive vibration (>1g) or shock (>20g)—mechanical stress loosens internal components (e.g., heatsinks), causing overheating and thermal shutdown. Use vibration-damping DIN rail mounts in high-vibration areas (e.g., near pumps, conveyors).
• Maintenance & Monitoring:
  • Quarterly LED Checks: Inspect LEDs to confirm normal operation—red OUT LED indicates overload/short-circuit; resolve by reducing load or repairing shorted wiring. If the LED remains red after fault removal, replace the module (internal protection may be damaged).
  • Annual Output Testing: Verify output voltage (24V DC ±2%) and ripple (<50mVpp) with a precision multimeter and oscilloscope—drift beyond specs indicates capacitor aging, requiring module replacement to avoid I/O signal distortion.
  • Redundancy Test: Annually test redundancy by disconnecting one module in a parallel bank—confirm the remaining module(s) take over without output interruption; non-functional redundancy indicates a faulty current-sharing circuit, requiring module service.

The structure and details of the product：

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