Siemens Simatic SM321 | 6ES7 321-1BL00-0AA0 | Digital Input Module

Module Type:Digital Input

Manufacturer:Siemens

Model Number:6ES7 321-1BL00-0AA0

Operating Voltage:24V DC

Input Channels:4

Optical Isolation:Yes

Diagnosis Capability:Yes

Signal Handling Capacity:Hazards Areas

Compliance:PTB-Tested

    This digital input module from Siemens Simatic is an essential component for industrial automation systems, featuring a compact design that seamlessly integrates into various control panels. It provides 16 digital inputs, each equipped with optical isolation for enhanced signal integrity and protection against electrical interference.

    The module is designed for use with the SIMATIC S7 series controllers, supporting a wide range of programming languages for flexible system integration. With a 24V DC operating voltage, it ensures reliable operation across diverse industrial environments.

    The SM321 module is built to withstand harsh conditions, offering IP20 protection and operational temperatures ranging from -25°C to +60°C. It can also be stored within a temperature range of -40°C to +85°C without affecting its performance.

    Optical isolation ensures high immunity to noise and electrical disturbances, making it ideal for safety-critical applications where signal integrity is paramount. The integrated bus interface simplifies communication with other devices in the control network, enhancing the overall efficiency of the system.

    The robust construction and versatile compatibility make this module a preferred choice for manufacturers looking to upgrade their existing control systems or develop new ones. Its ease of installation and maintenance contribute to a streamlined workflow, reducing downtime and enhancing productivity.