3SU1801-0NB00-2AC2 SIEMENS Interface module

Description

3SU1801-0NB00-2AC2 SIEMENS Interface module

Product Dimensions：

Product Description

Siemens Interface Modules function as the gateway for decentralized peripherals. Instead of running hundreds of individual wires back to a central PLC, field devices are connected to local I/O modules which are then managed by an interface module. This module collects the local data and transmits it back to the central controller via a high-speed industrial network. This “head station” approach facilitates modular machine design and significantly reduces wiring complexity and costs.

Product Parameters

• Communication Protocols: Primarily supports high-speed industrial standards like PROFINET or PROFIBUS.

• Transmission Rate: Capable of data speeds ranging from 12 Mbps (for bus systems) up to 100 Mbps or 1 Gbps (for Ethernet-based systems).

• Expansion Capacity: Supports a specific maximum number of local I/O modules and total bytes of input/output data per station.

• Connection Type: Typically features RJ45 ports for Ethernet-based communication or D-sub connectors for bus systems.

• Distance Support: Allows for significant distances between the central PLC and the station, often extendable via fiber optics.

Product Advantages

• Reduced Wiring Costs: By placing I/O closer to the sensors and actuators, the amount of copper cabling required is drastically minimized.

• High Availability: Many modules support media redundancy, ensuring that the system continues to operate even if a communication cable is damaged.

• Flexible Topology: Supports various network structures including line, star, tree, or ring topologies to fit the physical layout of the plant.

• Integrated Switch: Many modern modules include a built-in 2-port switch, allowing for easy daisy-chaining without the need for external network switches.

• Rapid Replacement: Features like “configuration-less replacement” allow a module to be swapped without using a programming device, as the parameters are stored on a memory card or provided by the controller.

Safety and Operational Precautions

• Network Termination: For bus-based systems, ensure that the network is properly terminated at the first and last physical nodes to prevent signal reflection.

• Address Configuration: Ensure the unique device name or hardware address is correctly assigned to match the configuration in the engineering software.

• Firmware Synchronization: The firmware version of the interface module must be compatible with the version defined in the hardware configuration of the project.

• Cable Quality: Use only certified industrial-grade cables and connectors to ensure electromagnetic compatibility and reliable data transmission in noisy environments.

• Power Supply Isolation: Maintain a stable 24V DC power supply and ensure proper grounding to protect against communication errors caused by potential differences.

Product Applications

• Large-Scale Production Lines: Connecting distributed stations across long assembly lines in automotive or logistics plants.

• Modular Machinery: Enabling a “plug-and-play” design where different machine sections can be connected via a single network cable.

• Hazardous Environments: Placing I/O modules in the field while keeping the main controller in a safe, climate-controlled room.

• Infrastructure Systems: Managing distributed sensors and controllers in tunnels, airports, or water treatment facilities spread over large geographical areas.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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