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ABB SDCS-CON-2 Control Board  

1. Key Parameters

• Product Model: SDCS-CON-2
• Order Code Reference: Typically paired with ACS880 inverter kits (e.g., ACS880-01-046A-7, ACS880-04-1200A-3) for procurement
• Product Series: ABB ACS880 Inverter Core Control Boards
• Core Function: Executes ACS880 inverter logic control; regulates motor speed/torque; manages inverter parameters and fault diagnostics; enables communication with external devices (PLCs, HMIs); controls I/O interfaces for peripheral integration
• Processing Performance:
  • Main CPU: 32-bit RISC processor (400MHz clock speed; optimized for real-time motor control algorithms)
  • Memory:
    • EEPROM: 512KB (non-volatile; stores user-configured parameters, fault logs, and calibration data)
    • Flash Memory: 8MB (stores inverter firmware, control programs, and PLCopen function blocks)
    • RAM: 64MB (high-speed; for real-time data processing, motor state variables, and communication buffers)
  • Control Cycle Time: ≤1ms (for motor speed/torque loop calculations; ensures precise dynamic response)
  • Supported Motor Types: Induction motors (IM), permanent magnet synchronous motors (PMSM); supports sensorless vector control and encoder-based closed-loop control
• Input/Output Interfaces:
  • Digital Inputs (DI): 8 channels (24V DC; sinking/sourcing configurable via software)
    • Input Voltage Range: 18V~30V DC (logic "1"); ≤5V DC (logic "0")
    • Input Current: 3mA~10mA (at 24V DC)
    • Response Time: ≤100μs (for fast control signals, e.g., emergency stop, inverter start/stop)
  • Digital Outputs (DO): 4 channels (24V DC; sourcing type)
    • Output Voltage: 24V DC ±10% (energized state)
    • Maximum Output Current: 0.5A per channel; 1.5A total for all channels (overcurrent protected via PTC fuses)
  • Analog Inputs (AI): 2 channels (configurable: 0~10V DC or 4~20mA)
    • Input Accuracy: ±0.1% of full scale (for precise reference signals, e.g., speed setpoint from PLC)
    • Resolution: 12-bit (converts analog signals to digital data for inverter processing)
  • Analog Outputs (AO): 2 channels (configurable: 0~10V DC or 4~20mA)
    • Output Accuracy: ±0.2% of full scale (for monitoring signals, e.g., actual motor speed, output current)
• Communication Interfaces:
  • Built-in Protocols:
    • Modbus RTU (RS485 port; up to 115.2kbps baud rate)
    • Profinet RT/IRT (Ethernet port; 10/100Mbps; supports cycle times down to 1ms)
    • EtherNet/IP (Ethernet port; compatible with Rockwell Automation systems)
  • Optional Protocols: DeviceNet, CANopen (via plug-in communication modules)
  • Debug Interface: 1× USB 2.0 Type B port (for parameter configuration and firmware upgrade via ABB Drive composer Pro software)
• Electrical Specifications:
  • Power Supply (from ACS880 Inverter): 5V DC (regulated; typical current: 1.2A; maximum current: 1.8A)
  • Power Consumption: ≤9W (total, including processing and communication circuits)
  • Isolation: 2.5kVrms (between communication ports/I/O and inverter power circuits; prevents ground loops)
  • EMC Immunity: Compliant with IEC 61000-6-2 (industrial environment); resistant to EMI from motor drives and high-voltage equipment
• Mechanical Specifications:
  • Form Factor: PCB (Printed Circuit Board) with reinforced edge connectors (compatible with ACS880 inverter’s control slot)
  • Dimensions (W×H×D): 150mm × 200mm × 25mm (custom fit for ACS880 inverter’s internal compartment)
  • Mounting: Slot-mounted (secures to ACS880 inverter’s backplane via edge connectors; no additional screws)
  • Weight: Approximately 300g
  • LED Indicators (on board edge):
    • Power (PWR): Green (board powered on); Red (power fault or undervoltage)
    • CPU Status (CPU): Green (normal operation); Amber (high CPU load >90%); Red (CPU fault)
    • Communication (COM): Green (Ethernet/RS485 communication normal); Blinking Green (data transmission); Red (communication fault)
    • I/O Status (I/O): Green (digital/analog I/O normal); Red (I/O short circuit or overload)
    • Fault (FLT): Red (inverter fault detected; triggers inverter shutdown)
• Environmental Ratings:
  • Operating Temperature Range: -10℃~+60℃ (14℉~140℉; matches ACS880 inverter’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 or connector loosening)
  • Shock Resistance: 20g acceleration (11ms duration, IEC 60068-2-27; maintains structural integrity)
• Compliance Standards: IEC 61800-5-1 (adjustable speed drive systems), IEC 61131-3 (PLCopen function blocks), UL 508C (industrial control safety), CE, RoHS

2. Key Features

• ACS880 Inverter Exclusivity: Custom-engineered for ABB ACS880 series inverters—ensures perfect electrical matching with inverter power modules (e.g., SDCS-POW-1) and software (Drive composer Pro); eliminates compatibility risks from third-party control boards (e.g., communication latency, torque control errors).
• High-Speed Real-Time Control: 400MHz RISC CPU and ≤1ms control cycle time enable precise motor speed/torque regulation—critical for dynamic loads (e.g., steel mill rolling mills, mining conveyors) where rapid response to load changes is required.
• Multi-Protocol Communication: Built-in Profinet RT/IRT, EtherNet/IP, and Modbus RTU support seamless integration with global factory automation systems (e.g., Siemens S7-1500, Rockwell ControlLogix, ABB AC500 PLCs); USB port simplifies on-site configuration and firmware updates.
• PLCopen Function Block Support: Natively supports PLCopen standard function blocks (e.g., PTO, PID, motion control) via Drive composer Pro—enables users to program custom control logic (e.g., cascade control for pump systems) without external PLCs, reducing system complexity.
• Comprehensive Fault Diagnostics: Detects overcurrent, overvoltage, overtemperature, and communication faults; logs up to 100 recent fault events (with timestamps) and provides LED status indicators—enables technicians to quickly identify root causes (e.g., motor overload, wiring faults) and reduce downtime.
• Industrial-Grade Durability: 2.5kVrms isolation, EMC compliance, and wide operating temperature range (-10℃~+60℃) withstand harsh industrial conditions (e.g., electrical noise in welding environments, vibration in mining equipment)—extends board service life to ≥8 years under normal operation.
• Flexible I/O Configuration: Configurable digital/analog I/O (sinking/sourcing for DI, 0~10V/4~20mA for AI/AO) adapts to diverse peripheral devices (e.g., NPN/PNP sensors, analog speed potentiometers, contactors)—simplifies integration with existing factory equipment.

3. Application Fields

• ACS880 Inverter Motor Control: Primary application—powers control for ACS880-driven motors in:
  • Heavy Industry: Regulates speed/torque for large induction motors in steel mills (rolling mill drives) and mining sites (conveyor belt motors); high-speed CPU ensures stable operation under variable loads (e.g., ore weight fluctuations).
  • Manufacturing Lines: Controls motor speed for automotive assembly line conveyors (via Profinet IRT synchronization) and food processing mixers (via PID control); local I/O monitors emergency stops and triggers alarm signals.
  • Water & Wastewater Treatment: Manages pump motors in water distribution systems; uses analog inputs for flow rate setpoints (from PLC) and analog outputs for pressure monitoring—ensures efficient water supply and prevents pump overload.
• Precision Motion Control: Enables accurate motor regulation in:
  • Aerospace Component Manufacturing: Controls spindle motors in CNC machining centers (via ACS880 inverters); Profinet IRT synchronization (≤1ms cycle time) ensures precise cutting speeds for aircraft aluminum parts.
  • Electronics Production: Regulates speed for SMT placement machine motors; low I/O response time (<100μs) ensures precise component placement on PCBs (0402 or smaller components).
• Infrastructure & Energy: Supports critical infrastructure operations:
  • Power Generation: Controls fan and pump motors in fossil fuel power plants (boiler feedwater pumps); fault diagnostics detect motor overheating early, preventing unplanned shutdowns.
  • Building Automation: Manages HVAC system motors (air handlers, chillers) in large commercial buildings; Modbus RTU communication links to building management systems (BMS) for energy optimization.
• Legacy Inverter Upgrades: Modernizes older drive systems:
  • Industrial Retrofits: Replaces obsolete control boards in aging ACS880 inverters (e.g., 10+ year-old units) to restore motor control performance; maintains compatibility with existing wiring and peripherals, avoiding full inverter replacement

The structure and details of the product：

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