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SIEMENS 6ES5921-3UA12 CPU921 Processor Module – Precision Control at its Core

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The SIEMENS 6ES5921-3UA12 CPU921 Processor Module acts as the central brain in industrial automation systems, ensuring seamless operation and efficiency across various industrial applications.

Operating System:Siemens S7-300/400 compatible

CPU Type:High-performance microprocessor

Memory Size:256KB RAM, expandable up to 1MB

Communication Interfaces:2 x MPI, 2 x DP

Power Consumption:≤ 2.5W

Operating Temperature Range:-25°C to +60°C

Storage Temperature Range:-40°C to +85°C

Dimensions (WxHxD):96mm x 132mm x 100mm

    Unleash the power of industrial automation with the SIEMENS 6ES5921-3UA12 CPU921 Processor Module. This module is designed to enhance system performance and reliability in various industrial settings. Its robust Siemens S5 architecture ensures compatibility and integration with other Siemens automation components.

    Featuring 128 KB of user program memory, the CPU921 provides ample space for storing complex control logic, making it suitable for high-demand applications. With 16 digital input ports and 8 digital output ports, it enables efficient data exchange and control signals between the module and the industrial equipment.

    The module supports multiple communication interfaces, including MPI, PPI, and DP protocols, facilitating easy connectivity and data transfer with other devices in the automation network. It supports popular programming languages such as Ladder Diagram, Structured Text, and Function Block Diagram, offering flexibility and ease of use for developers.

    Engineered to operate within a wide temperature range of -20°C to +60°C, this processor module is ideal for diverse industrial environments, from cold storage facilities to hot manufacturing plants. Its durable construction ensures reliability and longevity in harsh conditions.

    With its comprehensive set of features and industry-standard compatibility, the SIEMENS 6ES5921-3UA12 CPU921 Processor Module is the trusted choice for enhancing productivity and efficiency in industrial automation projects.

SIEMENS 6ES5921-3UA12  CPU921 Processor Module




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      Shenzhen Changxin Automation Equipment Co., Ltd. is committed to becoming a leading supplier and wholesaler of industrial automation products in the international market. We focus on providing one-stop industrial automation product supply chain services for military enterprises, power plants, oil and gas, automobile manufacturers, railways, petrochemicals and other industries. As a professional supplier of industrial products, we cover PLC, DCS, safety barriers, sensors and switches, low-voltage power distribution, valve positioners, control cabinets, inverters, industrial connections, actuator control boards, industrial communications, I/A & I/O systems, instruments, solenoid valves, combustion control, electronic components and other products. Our business scope includes various well-known brands of industrial automation engineering equipment, spare parts and system integration. Our purpose is to provide customers with reliable and feasible product solutions, and always adhere to the principles of customer first, honest management, mutual benefit and win-win.

      Our advantages

      Fast delivery: We have a professional warehousing and logistics team to ensure that your order is shipped quickly

      Guaranteed authenticity: All our products are genuine and licensed

      Favorable prices: We can purchase directly from overseas, reduce middlemen, and allow you to buy products at a preferential price

      Quality assurance: All our products are strictly inspected to ensure excellent quality

      Perfect after-sales service: We provide perfect after-sales service and one-year warranty.

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