SIEMENS S7-300 Digital Input Module SM 321, 6ES7321-7RD00-0AB0

Type:Digital Input Module

Model:6ES7321-7RD00-0AB0

Manufacturer:SIEMENS

Isolation:Optically Isolated

Input Channels:4

Supply Voltage:24V DC

Signal Capability:Hazardous Area Compatible

Diagnostic Functionality:Capable of Diagnostics

Redundancy:Redundancy Capability

Application:Suitable for use in complex industrial environments where high reliability and safety are paramount.

    The SIEMENS S7-300 Digital Input Module SM 321 is engineered to offer unparalleled reliability and precision in industrial automation environments. Its optically isolated design ensures immunity against electrical noise and cross-contamination, enhancing system stability and safety.

    Each of the four digital inputs is equipped with robust contact ratings suitable for 24V DC signals, making it versatile for various industrial applications including control circuits, sensor inputs, and safety interlocks.

    The module supports advanced diagnostics capabilities, enabling real-time monitoring and predictive maintenance, which significantly reduces downtime and maintenance costs.

    Featuring redundancy capability, the SIEMENS S7-300 Digital Input Module ensures continuous operation even under fault conditions, providing an extra layer of security for critical systems.

    With dimensions of 132 x 152 x 51 mm and a lightweight design of 0.375 kg, this module is easy to integrate into existing control systems without compromising on performance or space requirements.

    Certified by PTB (Physikalisch-Technische Bundesanstalt), the module meets stringent international standards for accuracy and reliability, ensuring seamless integration and compliance across diverse industrial sectors.