Description
Introduction to ABB DSAI146 3BSE007949R1 module
ABB DSAI146 3BSE007949R1 is an analog input module in the ABB ADVANT-800XA DCS control system, designed for high-precision temperature measurement in industrial processes, and belongs to the S800 I/O series product system.
core positioning
This module is mainly used to collect Pt100 temperature sensor signals and is suitable for industrial process control scenarios with strict temperature monitoring requirements. It is a key interface for temperature data acquisition in process control systems.
Basic Parameters
ABB DSAI 146 Analog Input 3BSE007949R1 Board
Material Number: 3BSE007949R1
Model: DSAI146
Number of channels: 31 independent analog input channels
Sensor type: Pt100 thermistor
Temperature measurement range: -200 ° C to+850 ° C
Measurement accuracy: ± 0.1 ° C
Resolution: 0.01 ° C
Working voltage: 220V AC
Output frequency: 50Hz
Channel update rate: typical value of 1 second
Maximum power consumption: 4.6W
Functional Features
High precision temperature acquisition: 31 channel design, supporting simultaneous monitoring of large-scale temperature points, meeting the comprehensive temperature control needs of power plants, chemical industries, and other scenarios.
Optoelectronic isolation input: equipped with 4-channel optical isolation input interface, providing high security and strong anti-interference ability, effectively suppressing the impact of on-site electromagnetic noise on measurement accuracy.
Intelligent diagnosis: supports loop monitoring function, can detect signal abnormalities such as open circuit and short circuit, and diagnostic information can be read through the Module Bus, making it easy to quickly locate the fault channel.
Parameterized configuration: Supports parameter configuration through the bus, including channel filtering time, etc. The filtering time supports multiple selectable settings, effectively suppressing high-frequency noise interference on site.
Hot swappable support: All S800 I/O modules support hot swappable replacement, and maintenance can be completed without cutting off the power supply of the I/O station system, reducing the risk of downtime.
physical properties
Working temperature range: -30 ° C to+65 ° C
Storage temperature range: -40 ° C to+85 ° C
Protection level: IP20, suitable for installation inside control cabinets
Installation method: Standard DIN rail installation, to be used in conjunction with TU810, TU812, TU814, TU818, TU830, TU833, TU838, TU850 and other terminal units to ensure electrical isolation performance.
Main protection functions
Equipped with multiple protection mechanisms such as overvoltage protection, overcurrent protection, and overheating protection, the module integrates EMC protection components to ensure stable operation even in harsh industrial electromagnetic environments.
Typical application scenarios
Power industry: temperature monitoring of generator sets and transformer windings.
Chemical industry: temperature collection of reaction vessels, monitoring of pipeline medium temperature.
Metallurgical industry: temperature monitoring of equipment such as blast furnaces and rolling mills.
Water treatment: monitoring of boiler feedwater temperature and steam temperature.
Other process industrial scenarios that have high requirements for temperature measurement accuracy and channel density.
Comparison with modules of the same series
DSAI146 is a 31 channel Pt100 analog input with high channel density, designed specifically for large-scale temperature acquisition. DI810 is a 16 channel 24VDC digital input that collects switch signals. DO801 is a 16 channel relay output used for driving. The core positioning of DSAI146 is high-density and high-precision analog temperature acquisition, which is its essential difference from other I/O modules.
