The DO820, with the full model number DO820 3BSE008514R1, is a digital output module manufactured by ABB. Here are its detailed specifications:
- Output Channels: 8-channel digital output, supporting relay or transistor output types.
- Output Types:
- Relay output: Normally open/normally closed contacts, rated for 250V AC/30V DC, 2A.
- Transistor output: 24V DC, 0.5A.
- Operating Voltage: 24V DC, compatible with a wide voltage input range of 9V to 32V.
- Response Time: ≤5ms for relay output; ≤1ms for transistor output.
- Electrical Isolation: Independent isolation between channels, with an isolation voltage of ≥500V AC.
- Communication Interfaces: Supports Profibus-DP or Ethernet/IP (optional).
- Protection Class: IP20, suitable for cabinet-mounted installation.
- Operating Temperature: -20°C to +70°C; extended temperature models support -40°C to +85°C.
- Dimensions: 120mm × 80mm × 40mm (length × width × height).
- Certifications: CE, UL, cUL, and RoHS certified.
- Flexible Output Configuration: Supports both relay and transistor output types. Users can choose based on load requirements, adapting to resistive, inductive, or capacitive loads.
- High-Speed Response: Transistor output offers a short response time (≤1ms), making it suitable for high-speed pulse control or precision positioning systems.
- Channel Isolation: Independent electrical isolation between channels prevents signal interference, enhancing system stability.
- Fault Diagnosis: Built-in open-circuit detection and overload protection. Faults can be quickly located via LED indicators or communication interfaces.
- Strong Compatibility: Seamlessly integrates with ABB AC800M series controllers and supports mainstream industrial protocols such as Modbus TCP/IP and Profinet.
The DO820 module is designed for industrial automation systems, suitable for distributed control systems (DCS) and programmable logic controllers (PLC). It is widely used in process control, mechanical manufacturing, and energy management, reliably controlling external devices such as valves, motors, and relays.
