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SIEMENS S7-300 Digital Input Module SM 321, 6ES7321-1CH00-0AA0

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The SIEMENS SIMATIC S7-300 Digital Input Module SM 321 – 6ES7321-1CH00-0AA0 is a high-performance input module designed for industrial automation systems. It offers precise digital input signals for monitoring and controlling processes, ensuring reliable operation in various industrial environments.

Number of Inputs:16

Input Voltage Range:24-48 V AC/DC

Isolation Type:Optically Isolated

Signal Processing Capacity:4 Digital Inputs

Compatibility:S7-300 Series PLCs

Dimensions:12.80 x 15.00 x 5.10 cm

Weight:0.234 kg

    The SIEMENS SIMATIC S7-300 Digital Input Module SM 321 – 6ES7321-1CH00-0AA0 is a critical component in industrial control systems, offering unparalleled reliability and precision in handling digital input signals. With its robust design, this module is capable of monitoring and controlling processes with accuracy and efficiency.

    Featuring 16 isolated digital inputs, it ensures that each signal is processed independently, minimizing interference and enhancing system stability. The module supports a wide voltage range of 24-48 V AC/DC, making it suitable for a broad spectrum of industrial applications.

    Optically isolated connections prevent ground loops, ensuring immunity to electrical noise and maintaining signal integrity over long distances. The single-rooted connection facilitates straightforward integration into existing systems, simplifying installation and maintenance.

    Engineered for harsh industrial environments, this module operates reliably within temperatures ranging from -25°C to +70°C. Its conformal coating provides additional protection against moisture and dust, ensuring consistent performance even under challenging conditions.

    Certified to meet the stringent requirements of EN50155, the module is designed for use in rail vehicles and other mobile applications, ensuring compliance with industry standards for safety and quality.

Siemens 6ES7321-1CH00-0AA0 Digital input SM 321




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      Chengdu Sunshine Xihe Electric Co., Ltd. is an industrial automation equipment supply platform, specializing in providing various modules, cards, controllers, CPU control boards, touch screens, servo drives and other industrial equipment parts. The main brands include world-renowned brands ABB, A-B, GE, ICS TRIPLEX, EMERSONWOODWARDTriconex,SCHNEIDERHONEYWELL, BENTLY, FOXBORO, HIMA and other industrial control brands

      Chengdu Sunshine Xihe Electric Co., Ltd. has the following advantages:

      Direct overseas procurement, first-hand source

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      Same products, different prices and services

      Contact information is as follows:

      Industrial control sales expert: Aiden

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