Introduction to ABB 3ASC25H204 DAPU100
3ASC25H204 DAPU100 Product Overview
The ABB 3ASC25H204 DAPU100 is a high-reliability signal acquisition and processing module from the DAPU series, specifically engineered for industrial automation control systems. It serves as a critical component for real-time collection and preliminary processing of field signals, enabling accurate acquisition of analog and digital signals from sensors and actuators, followed by reliable transmission to upper-level controllers. Featuring robust anti-electromagnetic interference design and wide environmental adaptability, this module maintains stable performance under conditions of voltage fluctuation, temperature variation, and high humidity. It seamlessly integrates with ABB System 800xA DCS and AC800M controllers, making it widely applicable in power generation, petrochemical, metallurgical, and water treatment industries to enhance the accuracy and efficiency of control system signal processing.

3ASC25H204 DAPU100 Technical Parameters
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Product Model: 3ASC25H204 DAPU100
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Product Type: Signal Acquisition and Processing Module (DAPU Series)
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Core Functions: Multi-channel signal acquisition, analog-to-digital conversion, digital signal filtering, signal amplification, fault detection, real-time data transmission, signal isolation
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Power Supply: 24V DC input (19.2V-28.8V DC range); Power consumption: ≤6W; Overcurrent and reverse polarity protection
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Signal Specifications: Analog input: 4-20mA, 0-10V DC (12 channels); Digital input: 16 channels (24V DC); Conversion accuracy: ≤±0.1% of full scale; Sampling frequency: 1kHz per channel
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Interface Type: Backplane interface for ABB controller connection; RS485 communication port (supports Modbus RTU protocol); Plug-in spring terminals for field wiring
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Environmental Ratings: Operating temperature: -25°C to +70°C; Storage temperature: -40°C to +85°C; Relative humidity: 5%-95% (non-condensing); Vibration resistance: 2G (10-150Hz); Shock resistance: 15G
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Mechanical & Installation: DIN rail-mounted (35mm); Dimensions (approx.): 105mm × 90mm × 45mm; Net weight: approx. 0.35kg; LED indicators for power, signal status, and fault alarms; Flame-retardant housing (UL94 V-0)
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Protection Features: Signal isolation (2500V AC/DC); Anti-EMI design (complies with EN 55011); Overvoltage and short-circuit protection for input terminals; Fault self-diagnosis and alarm output
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Compatibility: ABB AC800M controllers, ABB System 800xA DCS, other DAPU series modules, standard industrial sensors and actuators
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Certifications: CE certified; Complies with IEC 61131-2 and IEC 61000-6-2 standards; Passes EMC and industrial safety testing
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Applications: Thermal power plants, petrochemical refineries, metallurgical workshops, water treatment facilities, manufacturing production lines; Field signal acquisition, industrial automation control systems, controller-field device data interaction
Recommended ABB Same-Series Models
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ABB 3ASC25H206 DAPU102: Integrated analog output (8 channels), support for closed-loop control
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ABB 3ASC25H207 DAPU103: High-speed sampling (5kHz), suitable for fast-response control systems
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ABB 3ASC25H208 DAPU104: Dual RS485 ports, redundant communication design
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ABB 3ASC25H209 DAPU105: Digital I/O expansion (32 channels), focused on digital signal processing
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ABB 3ASC25H210 DAPU106: Ethernet interface (100Mbps), support for Modbus TCP/IP
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ABB 3ASC25H211 DAPU107: High-temperature resistant design, operating temperature up to +85°C
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ABB 3ASC25H212 DAPU108: Low-power consumption, suitable for battery-powered monitoring systems
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ABB 3ASC25H213 DAPU109: Compact size, space-saving for narrow installation areas
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ABB 3ASC25H214 DAPU110: Fault recording function, automatic data logging for maintenance analysis
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ABB 3ASC25H215 DAPU111: High-precision conversion (≤±0.05%), for high-accuracy measurement scenarios
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ABB 3ASC25H216 DAPU112: Isolated power supply, enhanced anti-interference performance
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ABB 3ASC25H217 DAPU113: Marine-grade protection, anti-corrosion and moisture-proof
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ABB 3ASC25H218 DAPU114: Wireless communication support, integrated Bluetooth module
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ABB 3ASC25H219 DAPU115: ABB Ability™ cloud connectivity, remote monitoring and diagnosis





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