Siemens SM321 40-Pole 32DI Digital Input Module, 24V DC, Conformal Coated EN50155 T1 Cat 1 CL A/B

Module Type:Input/Output

Model:6ES321-1BL00-0AA0 & 6ES7321-1BL00-0AA0

Manufacturer:Siemens

Operating Voltage:DC 24V

Number of Channels:16

Communication Interface:Profinet

Environmental Compatibility:IP20

Temperature Range:-20°C to +55°C

Power Consumption:≤ 1.2W

Load Capacity:Up to 0.5A per channel

    The Siemens SM321 is a robust digital input module, ideal for integration into industrial automation systems where precise and reliable data acquisition is critical. Its 32-channel design allows for flexible connection to various sensors and switches.

    Each input channel is equipped with optical isolation, which ensures immunity against electrical noise and ground loops, guaranteeing accurate and stable readings under demanding conditions.

    Featuring a conformal coating, this module is protected against moisture and dust ingress, making it suitable for use in industrial environments with high levels of environmental exposure.

    With an operating temperature range from -25°C to +70°C, the SM321 is designed to withstand extreme conditions encountered in manufacturing plants, food processing facilities, and other industrial sectors.

    Equipped with a 40-pin connector, the module offers easy installation and integration into existing control systems, simplifying the setup process for technicians and engineers.