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ABB 3BHE010751R0101

Technical Specifications

  • Power Supply: Operates on 24 V DC ±15% with a maximum power consumption of ≤6 W during operation.
  • Input/Output (I/O) Configuration: Features 32 digital I/O channels (32 inputs and 32 outputs) supporting 24 V DC signals. Digital input voltage ranges from 0–30 V DC, and digital output voltage from 0–30 V DC. Digital input current is ≤7 mA, and digital output current is ≤500 mA. Response time for both inputs and outputs is ≤1 ms.
  • High-Speed Counter Input: Includes 4 channels with a maximum input frequency of 100 kHz.
  • Communication Interfaces: Equipped with an RS485 serial interface supporting the Modbus RTU protocol.
  • Environmental Ratings: Operational temperature ranges from -25°C to +70°C; storage temperature from -40°C to +85°C. The enclosure has an IP20 rating for protection against dust and solid particles.
  • Physical Design: Dimensions are 130 mm × 35 mm × 130 mm (height × width × depth), with a weight of approximately 0.3 kg.
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Detailed content

Functional Features

  • Digital Signal Processing: Processes high-speed digital signals to enable precise control of industrial equipment, including logic operations and data acquisition.
  • Modular Architecture: Configurable I/O channels allow adaptation to diverse sensor and actuator requirements, supporting scalability through additional modules.
  • High-Speed Counter Support: Enables accurate measurement of rotational speed, position, or frequency in motion control applications.
  • Diagnostic Capabilities: Built-in self-diagnostics monitor power supply, communication status, and hardware integrity, providing real-time fault alerts.
  • Reliability: Industrial-grade components ensure long-term performance in harsh environments, withstanding electromagnetic interference and temperature fluctuations.
  • Programming Flexibility: Compatible with ABB’s Automation Builder software for intuitive configuration and parameter tuning.

Application Scenarios

  • Industrial Process Control: Manages conveyor systems, packaging machinery, and quality inspection equipment in manufacturing. Controls valve actuation, pump control, and safety interlocks in chemical and petrochemical production lines.
  • Motion Control: Provides real-time position control for robotic arms and automated guided vehicles (AGVs). Regulates spindle speed and axis positioning in CNC machine tools.
  • Energy Management: Monitors turbine status and grid synchronization in power generation plants. Optimizes fan speed, temperature, and humidity in commercial HVAC systems.
  • Water & Wastewater Treatment: Automates pump stations, filtration systems, and chemical dosing processes to ensure consistent water quality.

Compatibility and Certifications

  • System Integration: Works seamlessly with ABB’s Freelance DCS, Advant OCS, and third-party PLCs via the Modbus RTU protocol.
  • Certifications: Complies with CE and RoHS standards for safety and environmental sustainability. Meets IEC 61000-4 electromagnetic compatibility (EMC) requirements.

Operational Benefits

  • Cost-Effectiveness: Compact design and low power consumption reduce installation and operational costs. Modularity minimizes downtime during upgrades.
  • Ease of Use: User-friendly software tools and DIN rail mounting simplify commissioning and maintenance.
  • Scalability: Configurable I/O channels allow expansion to meet evolving system requirements, making it suitable for both small-scale and large industrial projects.

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