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HOLLYSYS SM3330 Terminal I/O Block – Advanced Control Module for Industrial Automation

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The HOLLYSYS SM3330 Terminal I/O Block is a high-performance PLC module designed for efficient data processing in industrial automation systems.

Operating Temperature Range:-20°C to +70°C

Power Consumption:Max. 50 mA @ 24 VDC

Number of Inputs/Outputs:8/8

Signal Types Supported:Digital, Analog

Communication Interface:RS-485

Relay Outputs:2

Relay Rating:250VAC / 30VDC @ 5A

Operating Voltage:24VDC

Dimensions:125mm x 85mm x 65mm

Material:Aluminum alloy with durable finish

Protection Level:IP20

    The HOLLYSYS SM3330 Terminal I/O Block Module is a robust component tailored for industrial automation environments, offering exceptional reliability and performance under challenging conditions. With its compact design, it seamlessly integrates into various systems, facilitating streamlined data processing and control tasks.

    Featuring an operating temperature range from -25°C to +70°C, this module ensures reliable operation across diverse industrial settings. Its wide power supply voltage range from 12 VDC to 30 VDC allows for flexibility in power sourcing, making it suitable for a broad spectrum of applications.

    Equipped with a Modbus RTU communication interface, the SM3330 supports seamless data exchange with other devices, enhancing system connectivity and efficiency. Its digital input capability enables precise monitoring and response to external signals, while the relay output type provides robust switching action for various loads.

    Each channel boasts a load capacity of up to 2 A, ensuring the module can handle demanding electrical loads efficiently. The module’s dimensions of 140mm x 110mm x 70mm and weight of 0.4 kg make it compact yet powerful, ideal for space-constrained applications without compromising on functionality.

    Engineered for durability and ease of use, the HOLLYSYS SM3330 Terminal I/O Block Module comes with comprehensive documentation and support, ensuring a smooth integration and operation within your automation system.

HOLLYSYS SM3330 Terminal I/O Block




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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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