Overview
The ABB DSAI 155A is a reliable analog input unit designed for accurate signal acquisition in ABB distributed control systems. It receives analog signals from industrial field devices such as transmitters, sensors, and measurement instruments, converting them into digital data for monitoring and control. The module is built to provide stable performance and precise data collection in demanding industrial automation and process environments.
General Information
Part Number: 3BSE014162R1
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 I/O system cabinets
Technology: High-resolution analog signal acquisition with integrated diagnostic features
Power Specifications
Supply Voltage: 24 V DC (via 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 operation
Status Indicators: Operational status monitored through the host control system
Communication & Interface
System Interface: Internal communication via ABB control system backplane
Signal Interface: Supports connection with industrial transmitters and analog sensors
Diagnostics: Continuous input monitoring with system-level 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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