Manufacturer: SIEMENS Product Model: 6ES7131-4 BB01-0AB0 Product Category: Input Module Operating Voltage: 24VDC Number of Channels: 8 Input Type: DC Input Response Time: Less than 1ms Protection Level: IP20 Weight: About 0.2k G Dimensions: 55mm X 90mm X 75mm This SIEMENS digital input module is designed for high reliability and stability in industrial automation environments.It has 16 digital input channels, which can efficiently collect the digital signals of field devices and transmit them to the PLC system for further processing through the industrial bus. The module is powered by a 24 V DC power supply, and its response time is less than 1 millisecond, which ensures a fast data acquisition speed. They are IP20 rated for use in a variety of industrial environments. In addition, it has a wide operating temperature range from -25 ° C to + 60 ° C and an even wider storage temperature range from -40 ° C to + 85 ° C, ensuring that it works well even in extreme environments.The module also has a compact design and is lightweight for easy installation and maintenance. The 6ES7131-4BB01-0AB0 provides reliable solutions for sensor data acquisition in manufacturing lines and signal monitoring in energy management systems.