Description
Siemens S7-300 SM321 Digital Input Module 16DI 24V | 6ES7321-1BH02-0AA0
The Siemens SIMATIC S7-300 SM321 digital input module (6ES7321-1BH02-0AA0) is designed for industrial automation systems to receive digital signals from field devices such as sensors, switches and limit switches.
This module provides 16 digital input channels operating at 24V DC and is fully compatible with the SIMATIC S7-300 PLC system. The SM321 module is widely used in factory automation and machine control applications where reliable signal detection and monitoring are required.
The module supports connection with proximity sensors and industrial switches and provides stable performance in industrial environments.
Key Features
16 digital inputs 24V DC
Isolated input channels
Reliable industrial automation module
Compatible with SIMATIC S7-300 PLC systems
LED indicators for input status
Applications
Industrial automation systems
Machine control panels
Factory production lines
Sensor and switch monitoring
Process control systems
Specifications
Model: SM321 Digital Input Module
Part Number: 6ES7321-1BH02-0AA0
Series: SIMATIC S7-300
Digital Inputs: 16
Input Voltage: 24V DC
Type: Digital Input Module
Manufacturer: Siemens
