ABB DSAI146 3BSE007949R1 Product Introduction
ABB DSAI146 3BSE007949R1 is an industrial grade analog input unit developed by ABB,specifically designed for high-precision temperature measurement and multi signal type acquisition.This module supports various input signals such as Pt100 sensors,voltage,current,and resistance,and has functions such as optoelectronic isolation protection,EtherCAT bus communication,and programmable parameter setting.It is widely used in automation control systems in manufacturing,chemical,power,energy management,and other fields.

technical specifications
Parameter description
Model ABB DSAI146 3BSE007949R1
Product type:Analog input module
Number of input channels:4 independent channels
Working voltage 24-50 VDC(supports redundant configuration)
Temperature measurement range-200°C to+850°C(compatible with Pt100 sensor)
Accuracy and Resolution:±0.1°C accuracy,0.01°C resolution
Communication protocols EtherCAT(COE protocol),HART protocol
Protection level IP65(dustproof and waterproof)
Working temperature-30°C to+65°C
Environmental humidity of 95%without condensation
Dimensions 324mm(length)x 234mm(width)x 22.5mm(height)
Weight 0.4 kilograms
Main features and advantages
High precision and multi signal compatibility
Support Pt100 temperature sensor,voltage(0-10V),current(4-20mA),and resistance signal input to meet the needs of different industrial scenarios.
Adopting 32-bit DSP technology,ensuring signal acquisition accuracy of±0.1°C and resolution of 0.01°C,suitable for precision control scenarios.
Anti interference and safety
4-channel optoelectronic isolation input interface,compatible with 5-24V logic signals,effectively suppressing electromagnetic interference.
Built in overvoltage,undervoltage,and overcurrent protection functions ensure the safe operation of the equipment.
Flexible communication and integration capabilities
Supports EtherCAT bus protocol and can be used as a standard slave device,seamlessly integrated with mainstream master controllers such as Siemens and Rockwell.
The HART protocol supports intelligent sensor configuration and fault diagnosis,improving system maintenance efficiency.
Industrial grade reliability design
Protection level IP65,suitable for harsh environments such as high temperature,high humidity,and high dust.
The modular structure supports quick replacement and reduces downtime.

application area
Industrial automation:CNC machine tools,robot motion control,production line temperature monitoring.
Energy and Power:Temperature Monitoring of Power Plant Boilers,Status Collection of Substation Equipment.
Chemical and water treatment:temperature control of reaction vessels,conversion of pipeline pressure and flow signals.
Transportation:status monitoring of rail transit equipment,new energy vehicle battery management system.
BUY-GLOBALLY
Contact Us for Inquiries & Needs
If you have any questions or needs, please feel free to leave a message. Our customer service is online 24 hours a day, and we look forward to serving you.
Leave a Comment
- All comments(0)
- There are no comments yet. Come and post a comment!

Loading comments...