ABB DSDI146 3BSE007949R1

Basic Information

• Model: DSDI146 (DSAI146)
• Part Number: 3BSE007949R1
• Manufacturer: ABB (Sweden)
• Type: RTD Analog Input Unit
• Compatible System: ABB Advant OCS / S100 / System 800xA
• Purpose: Precision Pt100 Temperature Measurement
• Origin: Sweden
• Certifications: CE, UL, RoHS Exempt

Technical Specifications

• Input Channels: 31 (+1 reference channel)
• Sensor Type: Pt100 (3-wire)
• Temperature Range: -100°C to +320°C / -200°C to +640°C
• Resolution: 12-bit + sign (0.1°C)
• Accuracy: ±0.1% FS
• Update Rate: 1 sec/channel
• Operating Voltage: 24 V DC (±10%)
• Power Consumption: 3.8 W
• Operating Temperature: -30°C to +65°C
• Protection Rating: IP20
• Dimensions: 350 × 255 × 20 mm
• Weight: 0.5 kg

Key Features

• High Density: 31 isolated channels for multi-point temperature monitoring
• High Precision: 12-bit resolution, 0.1°C accuracy
• RTD Support: Pt100 3-wire, industrial standard
• Diagnostics: LED status, fault detection, hot-swap
• Integration: Seamless with ABB Advant / 800xA DCS

Applications

• Process Industries: Chemical, Power, Metallurgy, Paper, Pharmaceutical
• Temperature Control: Reactors, Pipes, Boilers, Furnaces
• Industrial Automation: Temperature monitoring, data acquisition, safety systems