Overview
The ABB DSAI 155 is a robust analog input unit designed for reliable signal acquisition in ABB distributed control systems. It collects analog signals from industrial field devices such as transmitters, sensors, and measurement instruments, converting them into digital signals for accurate process monitoring and control. The module is engineered to ensure stable performance and precise measurement in demanding industrial automation environments.
General Information
Part Number: 57120001-HZ
Manufacturer: ABB
Brand: ABB
Country of Origin: Switzerland
Series: DS Series I/O
Type: Analog Input Unit
Application: Industrial automation, process monitoring, and distributed control systems (DCS)
Mounting: Installed within ABB controller racks or industrial control cabinets
Technology: High-resolution analog signal acquisition with integrated diagnostic capability
Power Specifications
Supply Voltage: 24 V DC (provided through the system backplane)
Power Consumption: ≤ 8 W
Input Signal Types: Standard industrial analog signals from sensors and transmitters
Signal Processing: High-accuracy analog-to-digital conversion with filtering for stable readings
Protection: Built-in circuit protection for reliable long-term operation
Status Indicators: System status monitored through the host controller interface
Communication & Interface
System Interface: Internal communication through the ABB control system backplane
Signal Interface: Supports connection with industrial transmitters and analog sensors
Diagnostics: Continuous signal monitoring and fault detection
Configuration: Configurable through ABB automation system software
Compatibility: Designed for ABB control platforms supporting DS Series I/O modules
Environmental
Operating Temperature: −25 to +70 °C
Storage Temperature: −40 to +85 °C
Relative Humidity: Up to 95% RH, non-condensing
Protection Rating: Suitable for installation inside protected industrial control cabinets
EMC Compliance: Designed to meet industrial electromagnetic compatibility standards
Dimensions & Weight
Dimensions (L × W × H): 255 × 15 × 363 mm
Weight: Approximately 0.5 kg
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