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ABB DCS402.0075 Fieldbus Adapter
Product Description
Dedicated fieldbus adapter for ABB DCS402 series inverters, enabling seamless communication between the inverter and industrial fieldbus networks. Serves as a "communication bridge" to transmit control commands (e.g., start/stop, speed adjustment) and operational data (e.g., current, fault codes) between the inverter and upper-level systems (PLC/SCADA), optimizing inverter integration in automated control systems.
Key Specs
- Compatible Inverters: Exclusively matches ABB DCS402 series general-purpose inverters (e.g., DCS402.0550).
- Supported Protocols: Modbus RTU (RS485), Profibus DP-V0 (optional via firmware); baud rate 9600-115200 bps (adjustable).
- Power Supply: Takes 24V DC from inverter’s auxiliary power (no external power required); power consumption ≤1W.
- Communication Interface: 1×RS485 (Modbus) / 1×Profibus DP port (optional); terminal block connection (screw-type, 0.5-1.5mm² cables).
- Env: -10°C~+40°C, 5%-95% RH (non-condensing); IP20 (mounts inside inverter control cabinet).
- Mounting: DIN rail (35mm) or direct attachment to DCS402 inverter side panel (dedicated mounting holes).
Core Advantages
- Plug-and-Play Compatibility: Pre-configured for DCS402 inverters—no complex protocol debugging, reducing integration time.
- Stable Data Transmission: Anti-interference RS485/Profibus design (built-in surge protection) ensures reliable communication in industrial EMI environments.
- Space-Saving: Compact size (70×50×25mm) fits in dense control cabinets; shares inverter power (no extra wiring).
- Dual-Protocol Flexibility: Supports Modbus (for standard SCADA integration) and optional Profibus (for high-speed industrial networks).
Applications
- Inverter-PLC Communication: Connects DCS402 inverters (e.g., in conveyor systems) to PLCs (e.g., ABB AC500) via Modbus, enabling centralized speed control and status monitoring.
- SCADA Integration: Transmits DCS402 inverter data (current, temperature, faults) to SCADA systems (e.g., ABB System 800xA) for factory-wide automation oversight.
- Multi-Inverter Networking: Links up to 32 DCS402 inverters (e.g., in HVAC fan arrays) via Profibus DP, realizing synchronous speed adjustment.
Precautions
- Compatibility Check: Confirm inverter model is DCS402 series (not compatible with other ABB inverter lines like ACS880).
- Wiring: Use shielded twisted-pair cables (0.75mm²) for RS485/Profibus; ground shield at one end to reduce interference.
- Baud Rate Matching: Set adapter baud rate to match upper-level system (e.g., 9600 bps for Modbus SCADA, 1.5 Mbps for Profibus).
- Maintenance: Inspect terminal connections quarterly (tighten if loose); avoid direct contact with inverter heat sinks (prevents overheating).
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The structure and details of the product:

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