SIEMENS 6ES7421-7BH01-0AB0 SIMATIC S7-400, DIGITAL INPUT SM 421, ISOLATED 16 DI; 24 V DC WITH 0.05 MS INPUT DELAY ALARM

SIEMENS 6ES7421-7BH01-0AB0 SIMATIC S7-400, DIGITAL INPUT SM 421, ISOLATED 16 DI; 24 V DC WITH 0.05 MS INPUT DELAY ALARM

The **SIEMENS 6ES7421-7BH01-0AB0** 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** that operate at **24V DC** and feature an input delay alarm of **0.05 ms**.

Key features of the 6ES7421-7BH01-0AB0 digital input module:

- **Product Code:** 6ES7421-7BH01-0AB0
- **Product Line:** SIMATIC S7-400
- **Module Type:** Digital Input Module
- **Model:** SM 421
- **Input Type:** Isolated digital inputs
- **Number of Inputs:** 16
- **Voltage:** 24V DC
- **Input Delay Alarm:** 0.05 ms

This module is designed to provide reliable and isolated digital inputs for the SIMATIC S7-400 system. The input delay alarm feature ensures timely response to input signals, making it suitable for applications where precise timing is crucial. With 16 inputs and isolation capabilities, this module is well-suited for various industrial automation and control tasks within the SIMATIC S7-400 environment.