Siemens 6ES7321-1EH01-0AA0

Siemens 6ES7321-1EH01-0AA0

Overview

The Siemens 6ES7321-1EH01-0AA0 is a SIMATIC S7-300 digital input module (SM321) designed for reliable signal acquisition in industrial automation systems. It features 16 optically isolated digital inputs operating at 24 V DC, ensuring high noise immunity, safe operation, and consistent performance in demanding environments.

Key Features

• SM321 digital input module for S7-300

• 16 digital inputs (DI)

• Input voltage: 24 V DC

• Optically isolated channels

• 20-pole front connector

• Fast signal response

• Compact modular design

Technical Specifications

• Siemens Code: 6ES7321-1EH01-0AA0

• Series: SIMATIC S7-300, SM321

• Number of Inputs: 16

• Input Type: Digital (DC)

• Input Voltage: 24 V DC

• Input Current: ~7 mA per channel

• Response Time: ~3 ms

• Bus System: S7-300 backplane

• Connection: 20-pin front connector

• Protection Rating: IP20

• Operating Temperature: 0 °C to +60 °C

• Certifications: CE, UL

Applications

• Industrial automation systems

• Machine control panels

• Process automation

• Sensor signal acquisition (24 V DC)

• Manufacturing and production lines

Why Choose Siemens 6ES7321-1EH01-0AA0?

• Reliable 24 V DC input signal processing

• High electrical isolation for safety

• Seamless integration with S7-300 systems

• Proven Siemens industrial quality

Order Now

Upgrade your automation system with the Siemens 6ES7321-1EH01-0AA0 — precise, reliable, and built for industrial signal processing.

Producto NUEVO en su embalaje original sellado. El producto puede ser de una versión o diseño anterior. El embalaje puede presentar marcas, signos de decoloración y desgaste. Garantía de DDPARTSSOLUTION : 1 año. La garantía y el soporte del fabricante no aplican.