Number of Inputs:16
Input Voltage Range:20 – 125V DC
Current Consumption:1.5A
Signal Type:Process Interrupt
Isolation:Yes
Operating Temperature:-25°C to +60°C
Communication Interface:DI for S7-400
Diagnosis Function:Integrated diagnostics
Unmatched Performance: The Siemens SIMATIC S7-300 Digital Input Module SM 421 boasts a robust design, ensuring reliable operation in harsh industrial conditions.
Versatile Application: This module is designed for integration into a wide range of industrial automation systems, providing accurate input detection for process control, machine guarding, and more.
Efficient Monitoring: With its high-speed response and stable performance, the SM 421 ensures that your production lines run smoothly without unexpected downtime.
Ease of Installation: The compact size and straightforward connection options make it simple to integrate into existing systems, reducing setup time and costs.
Quality Assurance: Manufactured by Siemens, a leading brand in industrial automation, this module comes with a commitment to quality and reliability, backed by comprehensive technical support.
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