Description
The
ABB DSDX404 is a high-performance PLC spare part designed for industrial automation systems, specializing in multi-channel process control and monitoring. As a key component in ABB’s automation portfolio, the
DSDX404 integrates advanced features to measure, display, and control parameters such as temperature, pressure, 液位,and flow in manufacturing, energy, and water treatment applications. With its modular architecture and robust isolation design, the
DSDX404 ensures reliable operation in harsh environments while supporting seamless integration with sensors and transmitters. Its user-friendly interface and configurable alarm settings make it ideal for applications requiring precise control and real-time data management.
Parameter |
Specification |
Channels |
4-channel input (supporting analog/digital signals: 4–20 mA, 0–10 V, etc.) |
Accuracy |
±0.5% FS or ±0.2% FS ±1 digit |
Resolution |
14-bit A/D converter (1/20000) |
Display |
4x 4-digit LED (simultaneous channel monitoring) |
Outputs |
Relay alarms (4 channels), analog 变送 (4–20 mA, 0–5 V), RS485/RS232 communication |
Power Supply |
85–265 VAC (switching power) or 24 VDC |
Communication |
Modbus RTU (RS485/RS232), baud rate 300–9600 bps |
Operating Temperature |
-10°C to +55°C |
Dimensions |
160 x 80 x 125 mm (horizontal) |
- Multi-Channel Efficiency: Simultaneously monitors and controls up to four independent processes, reducing system complexity.
- High Reliability: Isolation design and advanced noise filtering ensure stable performance in noisy industrial environments.
- Flexible Configuration: Programmable alarm thresholds, 变送 outputs, and input types (e.g., thermocouples, RTDs, analog signals).
- Modular Design: Easy expansion and system upgrades via configurable modules (e.g., relay outputs, analog 变送).
- Energy Efficiency: Low power consumption (≤4 W) and wide voltage range for global compatibility.
-

DSDX404
Industries: Manufacturing, oil & gas, water treatment, food & beverage, and energy.
典型应用场景:
- Water Treatment: Monitoring multiple pump stations and chemical dosing systems.
- Manufacturing: Controlling temperature in plastic injection molding machines with real-time alarm triggers.
- 案例: A food processing plant reduced downtime by 20% using the DSDX404 to monitor four temperature zones in a pasteurization line, enabling proactive alarm responses and precise process adjustments.
Compared to similar multi-channel controllers, the ABB DSDX404 offers:
- Superior Integration: Built-in communication protocols (Modbus) for direct PLC connectivity, eliminating additional interface modules.
- Enhanced Safety: Redundant isolation for inputs/outputs, reducing cross-channel interference.
- Long-Term Cost Savings: Durable components and a 3-year warranty (industry-standard 1–2 years) minimize maintenance costs.
- Compatibility: Ensure sensor/transmitter compatibility (e.g., 4–20 mA, 0–5 V) and communication protocols.
- Environment: Choose IP56-rated enclosures for washdown or corrosive environments (optional upgrades available).
- Scalability: Opt for models with expandable I/O modules (e.g., X3/X4 analog 变送) for future system growth.
- Budget: Balance features (e.g., relay vs. analog outputs) against application requirements to avoid overspecification.
- Installation: Follow ABB’s wiring guidelines to prevent short circuits; ensure proper grounding.
- Calibration: Perform annual manual calibration (or enable auto-calibration) for sustained accuracy.
- Maintenance: Replace internal batteries (if applicable) every 5 years; clean dust from vents quarterly.
- Safety: Disconnect power before module replacement; adhere to local electrical codes.
声明: Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for
ABB DSDX404 and other automation spare parts. We provide sales, technical support, and tailored solutions. Visit our website
www.xydcontrol.com or contact us for expert assistance.
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