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ABB DSPB110 CPU Board 

1. Key Parameters

• Product Model: DSPB110
• Product Series: ABB AC500 Series Industrial CPU Boards (Medium-Performance PLC Control)
• Core Function: Executes IEC 61131-3 control logic (LD/FBD/ST/IL/CFC); manages data exchange with distributed I/O modules; communicates with SCADA/DCS via multi-protocols; stores program and configuration data; provides basic system diagnostics and fault handling
• Processor & Memory Specifications:

  Parameter	Details	Performance Metrics
  Processor	- Type: 32-bit ARM Cortex-M4 (single-core, 168MHz) - Floating-Point Unit (FPU): Integrated (32-bit) - Control Cycle: Min 2ms (for 500 I/O points) - Instruction Execution Speed: 1.25 DMIPS/MHz	Single-core processor balances performance and power efficiency; handles 50+ concurrent PID loops (e.g., temperature/pressure control) for medium-scale processes
  Memory	- RAM: 256KB SRAM (industrial-grade, with parity check) - Flash Memory: 2MB (non-volatile, for program/configuration storage) - Expandable Storage: Supports microSD card (up to 16GB, for log files/backup) - Data Retention: Flash memory (10+ years at 25℃); SRAM (backup via supercapacitor, 48h without power)	Parity-check SRAM prevents data corruption from electrical noise; supercapacitor backup ensures no loss of critical process data during short power outages

• Communication & I/O Management Specifications:

  Parameter	Details	Performance Metrics
  Built-In Communication Ports	- Industrial Ethernet: 1× 10/100 Mbps (PROFINET IO, Modbus TCP) - Serial: 1× RS-485 (Modbus RTU, up to 115.2kbps) - Expansion Slot: 1× PCIe Mini (for optional communication cards, e.g., EtherNet/IP) - I/O Bus: ABB AC500 Local Bus (supports up to 8 local I/O modules)	10/100 Mbps Ethernet enables real-time communication with SCADA; Modbus RTU supports legacy sensors/actuators (e.g., pressure transmitters)
  I/O Management	- Supported I/O Modules: ABB AC500 local I/O (digital/analog) and distributed I/O (via PROFINET) - Max I/O Points: 2048 (local + distributed) - I/O Update Rate: Min 1ms (local I/O); Min 5ms (distributed I/O) - I/O Isolation: 250V AC (CPU board to local I/O modules)	Scalable I/O capacity covers medium-scale systems (e.g., 200-sensor assembly lines); fast local I/O update rate ensures responsive control (e.g., emergency stop signals)

• Mechanical & Environmental Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 100mm (W) × 160mm (H) × 30mm (D) - Mounting Type: ABB AC500 PLC backplane (slot-mounted, tool-less) - Housing Material: EMI-shielded FR4 circuit board with conformal coating - Weight: Approximately 120g - Indicators: 3× status LEDs (power/run/fault); 2× communication LEDs (Ethernet/RS-485)	Conformal coating protects against dust/moisture; slot-mounted design ensures secure integration with AC500 backplane; compact size fits standard AC500 PLC enclosures
  Environmental Ratings	- Operating Temperature Range: -20℃~+60℃ (-4℉~140℉) - Storage Temperature Range: -40℃~+85℃ (-40℉~185℉) - Humidity Tolerance: 5%~95% RH (non-condensing, 40℃) - Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6) - Shock Resistance: 20g (11ms half-sine, IEC 60068-2-27) - EMC Compliance: EN 61000-6-2 (immunity: Level 3); EN 61000-6-3 (emission: Class B)	Level 3 EMC immunity resists interference from VFDs/motors; wide temperature range suits unconditioned industrial spaces (e.g., warehouse control cabinets, workshop PLCs)

• Electrical & Compliance Specifications:

  Parameter	Details	Performance Metrics
  Electrical Ratings	- Power Supply: 5V DC (from AC500 backplane, 1.5A max) - Power Consumption: 3W (active); 1W (standby) - Protection: Overcurrent (2A auto-reset); over-temperature (70℃ thermal shutdown)	Low power consumption reduces load on PLC backplane power; over-temperature protection prevents damage during extended high-load operation
  Compliance Standards: CE, UL 508, CSA C22.2 No.14, IEC 61131-3 (control programming), IEC 61000-6-2 (EMC), RoHS, ISO 9001

2. Core Features

• Medium-Performance Processing: 168MHz ARM Cortex-M4 processor with integrated FPU—delivers sufficient power for medium-scale automation (e.g., 500-point I/O systems) without the cost of high-end CPUs; handles concurrent tasks like PID control and data logging efficiently.
• Flexible Communication: 10/100 Mbps Ethernet (PROFINET/Modbus TCP) and RS-485 (Modbus RTU)—integrates with modern SCADA systems and legacy devices (e.g., Modbus RTU flow meters), eliminating the need for protocol gateways and reducing system complexity.
• Scalable I/O Management: Supports 2048 local/distributed I/O points and 8 local AC500 I/O modules—scales from small applications (e.g., 50-point packaging machines) to medium-scale processes (e.g., 200-point conveyor lines) without replacing the CPU board.
• Industrial-Grade Reliability: Conformal coating, parity-check SRAM, and supercapacitor backup—protects against dust, moisture, and electrical noise; ensures data integrity and system stability in harsh industrial environments (e.g., food processing plants, metalworking shops).
• IEC 61131-3 Programming: Compatible with ABB Automation Builder software—supports all standard IEC 61131-3 languages, enabling flexible programming for different user skills (e.g., ladder logic for electricians, structured text for engineers) and easy migration from legacy PLCs.
• Cost-Effective Design: Balances performance and affordability—ideal for medium-scale applications where high-end CPUs (e.g., ABB DSMC112) are unnecessary; reduces overall PLC system costs by 20%~30% compared to high-performance alternatives.

3. Application Fields

• Manufacturing Automation: Medium-Scale Production Control:
  • Conveyor Systems: Controls 10~20 segment conveyor lines in logistics warehouses—manages sensor inputs (photoelectric switches) and actuator outputs (motor drives); PROFINET communication synchronizes with warehouse WMS (Warehouse Management System) to optimize material flow.
  • Packaging Machines: Regulates filling, sealing, and labeling processes for small-to-medium packaging lines (e.g., beverage cans, cosmetic bottles)—FPU enables precise PID control of filling pressure (±0.1 bar accuracy); local I/O handles 50+ sensors/actuators.
• Process Control: Utility & Light Industrial Processes:
  • Water Treatment Auxiliaries: Controls pump stations and chemical dosing systems in small water treatment plants—Modbus RTU communicates with flow meters and pH sensors; microSD card logs daily flow data for regulatory reporting (e.g., local environmental agency requirements).
  • Food Processing Lines: Manages temperature and mixing speed for bakery dough mixers or dairy pasteurizers—conformal coating resists moisture/dust in food production environments; over-temperature protection prevents equipment damage if heating elements malfunction.
• Material Handling: Automated Guided Vehicle (AGV) Control:
  • AGV Fleet Coordination: Controls 5~10 AGVs in factory yards—Ethernet communication receives task orders from central AGV management systems; RS-485 connects to AGV motor drives and navigation sensors (e.g., laser scanners) for safe movement.
  • Palletizers: Controls robotic palletizers in distribution centers—manages I/O signals from pallet detection sensors and gripper actuators; fast local I/O update rate (1ms) ensures precise alignment of pallets and packages.
• Utility Infrastructure: Auxiliary System Control:
  • Small Power Substations: Monitors and controls auxiliary equipment (e.g., cooling fans, battery chargers)—Modbus TCP communicates with substation SCADA; wide temperature range (-20℃~+60℃) suits outdoor substation enclosures.
  • Solar PV Inverter Auxiliaries: Controls cooling systems and grid connection switches for small solar PV plants (≤10MW)—Ethernet connects to inverter management systems; data logging via microSD card tracks daily auxiliary energy consumption.

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