Siemens 6ES7321-1FH00-0AA0

Siemens 6ES7321-1FH00-0AA0 

Overview

The Siemens 6ES7321-1FH00-0AA0 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 120/230 V AC, ensuring safe and noise-resistant signal processing for demanding environments.

Key Features

• SM321 digital input module for S7-300

• 16 digital inputs (DI)

• Input voltage: 120/230 V AC

• Optically isolated channels for safety

• 20-pole front connector

• Reliable signal detection for AC inputs

• Compact modular design

Technical Specifications

• Siemens Code: 6ES7321-1FH00-0AA0

• Series: SIMATIC S7-300, SM321

• Number of Inputs: 16

• Input Type: Digital (AC)

• Input Voltage: 120/230 V AC

• Frequency: 47–63 Hz

• Power Consumption: ~4.9 W

• 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 control systems

• Signal acquisition from AC sensors and switches

• Manufacturing and production lines

Why Choose Siemens 6ES7321-1FH00-0AA0?

• Reliable AC signal acquisition with isolation

• Seamless integration with S7-300 systems

• Robust industrial performance

• Proven Siemens automation quality

Order Now

Upgrade your automation system with the Siemens 6ES7321-1FH00-0AA0 — 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.