The Siemens 6ES7431-1KF20-0AB0  Analog Input Module is a high-performance, optically isolated device designed for precise signal acquisition in industrial systems. It provides 8 channels capable of analog input with 14-bit resolution, supporting a wide range of applications from temperature monitoring to current and voltage measurement.

Number of Analog Inputs:16

Resolution:16-bit

Isolation:Optical Isolation

Operating Voltage Range:24V D

Communication Compatibility:Modbus RTU

Temperature Range:-25°C to +60°C

Power Consumption:≤ 20mA

6ES7431-1KF20-0AB0 Dimensions (WxHxD):23mm x 35mm x 115mm

Connection Type:Spring-Loaded Terminal Block

Environmental Compliance:EN 61000-6-4:2011, EN 61000-6-2:2014

The Siemens 6ES7431-1KF20-0AB0  Analog Input Module is engineered to enhance the accuracy and reliability of data acquisition in industrial environments. Its advanced optical isolation technology ensures robust protection against electrical noise and interference, making it ideal for harsh industrial conditions.

Each channel supports versatile signal types including voltage (U/I), resistance, thermocouples (thermocouple), and platinum resistance thermometers (PT100), offering flexibility in measuring various physical quantities.

Featuring an efficient power consumption of ≤ 20 mA at 24 VDC, this 6ES7431-1KF20-0AB0 module ensures minimal impact on system power supply while maintaining high performance standards. Its compatibility with Profinet communication protocol facilitates seamless integration with Siemens PLCs and other compatible devices.