Reliable digital input module 6ES7138-4FA05-0AB0 for SIMATIC S7-300

The Siemens 6ES7138-4FA05-0AB0 is a digital input module designed for the SIMATIC S7-300 automation system. It offers 32 digital input channels operating at 24 V DC, providing dependable signal acquisition and processing for industrial control applications. The module is robust, compact, and integrates seamlessly with the S7-300 system.

Technical specifications

• Number of inputs: 32 digital inputs

• Rated input voltage: 24 V DC

• Typical input current: 3.5 mA per channel

• Input delay: approx. 0.5 ms

• Module width: 90 mm

• Diagnostic LEDs for status indication

• Operating temperature: 0 to 60 °C

• Dimensions: approx. 90 mm × 130 mm × 75 mm (W × H × D)

• Weight: approx. 300 g

Key advantages

• High channel density saves cabinet space

• Reliable signal detection with noise immunity

• Easy integration with SIMATIC S7-300 system

• Clear status indication via diagnostic LEDs

• Wide operating temperature range

Application and use cases

Ideal for applications requiring multiple digital inputs in industrial automation, including manufacturing and process control systems.

About the manufacturer

Siemens is a global leader in industrial automation, providing modular and scalable solutions. The SIMATIC S7-300 product family is renowned for its reliability and flexibility.