SIEMENS 6ES7421-7DH00-0AB0 SIMATIC S7-400, DIGITAL INPUT SM 421, ISOLATED 16 DI; UC 24 - 60 V, ALARM, DIAGNOSTICS

SIEMENS 6ES7421-7DH00-0AB0 SIMATIC S7-400, DIGITAL INPUT SM 421, ISOLATED 16 DI; UC 24 - 60 V, ALARM, DIAGNOSTICS

The **SIEMENS 6ES7421-7DH00-0AB0** is a digital input module designed for the **SIMATIC S7-400** system. This specific module is the **SM 421** model, providing **16 isolated digital inputs**. The module is designed to work with a supply voltage ranging from **24V to 60V** and includes features such as **alarm capabilities** and **diagnostics**.

Key features of the 6ES7421-7DH00-0AB0 digital input module:

- **Product Code:** 6ES7421-7DH00-0AB0
- **Product Line:** SIMATIC S7-400
- **Module Type:** Digital Input Module
- **Model:** SM 421
- **Input Type:** Isolated digital inputs
- **Number of Inputs:** 16
- **Supply Voltage:** 24V - 60V DC
- **Additional Features:** Alarm functionality, Diagnostics

This module is designed to provide reliable and isolated digital inputs for the SIMATIC S7-400 system. The input isolation helps prevent electrical interference, while features like alarm capabilities and diagnostics enhance the module's functionality by providing monitoring and troubleshooting capabilities. The wide supply voltage range makes it versatile for various industrial applications within the SIMATIC S7-400 environment.