Introduction to ABB P3EDb HENF452778R1
HENF452778R1 Product Overview
The ABB P3EDb HENF452778R1 is a high-reliability process control module belonging to ABB’s Compact product series, specifically engineered for precise signal acquisition and control in industrial process automation systems. It serves as a critical link between field sensors/transmitters and upper-level control systems (such as AC 800M controllers and DCS), specializing in conditioning and converting analog signals from key process parameters like temperature, pressure, and flow, then transmitting accurate data to realize efficient process regulation. Equipped with industrial-grade signal processing technology and excellent anti-interference performance, the module maintains stable operation in harsh industrial environments with electromagnetic interference and voltage fluctuations, which is essential for ensuring continuous and reliable production in petrochemical, power generation, and water treatment industries. Featuring a compact modular design and DIN rail mounting, it supports flexible system expansion and easy integration into existing control cabinets, simplifying cabinet layout and reducing maintenance costs.
HENF452778R1 Technical Specifications
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Product Model: P3EDb HENF452778R1
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Product Type: Industrial Process Control Module (Compact Series)
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Core Functions: Analog signal acquisition & conditioning, signal conversion, process parameter monitoring, data transmission, fault self-diagnosis
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Input Signal: Supports 4-20mA, 0-10V analog signals; Compatible with temperature, pressure, flow sensors
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Output Signal: Standard 4-20mA analog output; Conversion accuracy ≤0.1% FS
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Communication Capability: Supports Modbus, PROFIBUS DP protocols; Seamless integration with ABB AC 800M/DCS systems
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Power Supply: 24V DC ±10%; Power consumption ≤6W
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Isolation Performance: Input-output isolation voltage ≥1000V AC; Effective electromagnetic interference suppression
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Operating Environment: Temperature range: -25°C to +65°C; Humidity: 5-95% (non-condensing); Complies with IEC 61000-6-2/4 EMC standards
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Mechanical Dimensions: 35mm × 105mm × 120mm; Weight: Approximately 0.19kg
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Safety Features: Overvoltage protection, short-circuit protection, reverse polarity protection
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Installation Method: 35mm DIN rail mounting; Tool-free wiring terminals for easy maintenance
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Certifications: CE, UL, IEC 61131-2 compliant; Suitable for global industrial process automation applications
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