6SL3210-1KE21-3UF1 SIEMENS Communication module

Description

6SL3210-1KE21-3UF1 SIEMENS Communication module

Product Dimensions：

Product Description

A communication module serves as a specialized gateway that adds physical ports and protocol support to a PLC system. While many modern CPUs have integrated ports, these modules are used to provide additional interfaces, support legacy protocols, or handle high-volume data traffic. They enable the integration of the PLC into broader industrial networks, allowing for vertical integration from the sensor level up to corporate management systems (MES/ERP).

Product Parameters

The technical specifications of these modules define their connectivity range and performance:

• Protocol Support: Compatible with major standards such as PROFINET, PROFIBUS, Ethernet/IP, Modbus TCP/RTU, and specialized point-to-point protocols.

• Interface Types: Available with various physical connections, including RJ45 for copper Ethernet, Sub-D for serial/fieldbus, and fiber optic ports for long-distance runs.

• Data Throughput: Optimized for high-speed transmission, supporting rates from kilobits per second for serial links up to gigabit speeds for industrial Ethernet.

• Connection Limits: Defined capacity for the number of simultaneous active connections (S7 communication, TCP/IP, or OPC UA).

• IT Services: Often include built-in support for web servers, email notification (SMTP), and file transfer (FTP/FTPS).

• Security Features: Integrated firewalls, VPN support, and encrypted communication (SNMPv3, DCP) to protect the automation cell.

Product Advantages

• Processor Offloading: By handling the protocol stack and data packaging independently, the module ensures that the CPU cycle time is not negatively impacted by heavy network traffic.

• Network Expansion: Allows a single controller to communicate across multiple independent networks simultaneously, providing physical separation between machine-level and office-level traffic.

• Universal Connectivity: Enables the connection of non-Siemens devices and legacy hardware into the SIMATIC environment through standardized open communication.

• Enhanced Security: Specialized security modules act as a protective barrier, preventing unauthorized network access to the PLC and mitigating the risk of cyberattacks.

• Simplified Troubleshooting: Provides dedicated diagnostic LEDs and software-based status monitoring for the network link, independent of the PLC’s operational state.

Precautions for Use

• Firmware Synchronization: Ensure that the module’s firmware version is compatible with the CPU version and the version of the engineering software being used.

• Network Addressing: Careful planning of IP addresses and subnet masks is required to avoid conflicts, especially when connecting multiple modules to the same physical network.

• Power Consumption: Communication modules draw power from the backplane bus; verify that the power budget of the rack can accommodate the additional hardware.

• Cable Quality: Always use industrial-grade shielded cables to prevent data loss or corruption caused by electromagnetic interference in factory environments.

Product Applications

Siemens communication modules are utilized in a variety of complex networking scenarios:

• Plant-Wide Networking: Linking individual machine controllers together to coordinate large-scale manufacturing processes and material flow.

• Data Logging and Reporting: Sending production data, alarm logs, and energy consumption metrics to centralized databases or SCADA systems.

• Remote Maintenance: Providing secure remote access for engineers to diagnose and program the PLC from a different location via VPN.

• Third-Party Integration: Facilitating communication between the Siemens PLC and specialized third-party hardware like barcode scanners, weighing scales, or vision systems.

Shipping Port: Xiamen, China

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