The S7-300 8XAI refers to the SM 331 analog input module from Siemens' SIMATIC S7-300 series. This module is designed for industrial automation and offers the following features:

Analog Inputs: 8 channels, supporting various signal types such as ±5V, ±10V, 1-5V, ±20mA, and 0/4-20mA.

Resolution: 16-bit for precise signal processing.

Isolation: Electrically isolated inputs for enhanced safety and reliability.

Response Time: 10ms for 4-channel operation and 23-95ms for 8-channel operation.

Connector: 40-pole interface for easy integration.

Operating Temperature: Suitable for industrial environments.