Brand:ABB PLC Item No.:DSAI 303 Product Origin:Sweden (SE) Product Dimensions:234 x 27 x 117 mm Product Weight:0.105 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The ABB DSAI 303 57120001-CL/3 is an industrial-grade analog input unit designed for reliable signal acquisition in distributed control systems. It plays a key role in converting real-world analog measurements into digital signals for process monitoring and automation control.
Engineered for ABB Advant Master architectures, the module is widely used in heavy industrial environments where accuracy, stability, and long-term operational reliability are essential. Its compact and robust design ensures consistent performance even under harsh electrical and mechanical conditions.
Technical Specifications
Parameter
Specification
Product Type
Analog Input Unit
Model
DSAI 303 (57120001-CL/3)
Input Channels
Multi-channel (variant dependent)
Input Types
Voltage ±10 V / Current ±20 mA
Signal Processing
Analog to digital conversion
System Compatibility
ABB Advant Master / MasterPiece systems
Isolation
Channel and system isolation
Operating Environment
Industrial grade
Dimensions
234 × 27 × 117 mm
Weight
0.105 kg
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Applications
• Process control systems in oil & gas refining and offshore platforms
• Chemical and petrochemical production monitoring and automation
• Power plant instrumentation for pressure, temperature, and flow acquisition
• Industrial distributed control systems (DCS) for analog signal processing
• Factory automation systems requiring high-density sensor integration
• Energy and utility infrastructure monitoring and control applications
Key Advantages
• High-density analog input design for efficient signal acquisition in compact systems
• Supports multiple industrial signal types including voltage and current inputs
• High accuracy measurement enabling stable process control performance
• Strong electrical isolation for improved noise immunity and signal stability
• Optimized for ABB Advant Master and legacy control system architectures
• Reliable long-term operation in continuous industrial environments
• Modular design allowing easy replacement and maintenance in control racks
Technical FAQs
1. What is the main function of the DSAI 303 module?
It converts analog field signals into digital data for use in ABB control systems.
2. How many input channels does it support?
It typically supports multi-channel analog input configuration (commonly 8 channels depending on variant).
3. What signal types are supported?
It supports voltage and current signals such as ±10 V and ±20 mA.
4. Is it suitable for high-precision applications?
Yes, it is designed for accurate industrial signal acquisition.
5. Which system is it used in?
It is used in ABB Advant Master / MasterPiece control systems.
6. Can it handle mixed signal types?
Yes, it can process both voltage and current inputs depending on configuration.
7. Is it suitable for harsh environments?
Yes, it is built for industrial environments with electrical noise and temperature variation.
8. Can it be replaced easily in existing systems?
Yes, it is designed for modular rack-based installation and replacement.
9. What industries use this module?
Oil & gas, chemical processing, power generation, and industrial manufacturing.
10. Does it require frequent maintenance?
No, it is designed for long-term stable operation with minimal maintenance.
