6GK7343-1EX11-0XE0 SIEMENS

6GK7343-1EX11-0XE0 SIEMENS Basis unit

Product  Description：

This module belongs to the SIMATIC NET product family. It acts as a bridge that allows the S7-300 to communicate using various industrial protocols. The 6GK7343-1EX11-0XE0 supports both high-level S7 communication and low-level transport protocols, making it a versatile choice for heterogeneous network environments. It features a compact design consistent with the S7-300 module format and is typically programmed and configured via STEP 7 or the TIA Portal.

Product Parameters

• Transmission Rate: Supports 10/100 Mbit/s (autosensing).

• Interface Type: 1 x RJ45 port for connection to Industrial Ethernet.

• Protocols Supported: ISO, TCP/IP, UDP, and S7 Communication.

• Communication Services: Supports PG/OP communication, S7 routing, Fetch/Write, and Send/Receive (with or without RFC1006).

• Multicast Capability: Supported for UDP-based communication.

• Diagnostic Functions: Integrated diagnostic add-ons and support for SNMP (Simple Network Management Protocol).

• Supply Voltage: 24 V DC (via the S7-300 backplane or external supply).

• Current Consumption: Approximately $0.6 \text{ A}$.

• Dimensions: Standard S7-300 width ($40 \text{ mm}$ or $80 \text{ mm}$ depending on the specific series, but usually $40 \text{ mm}$ for the EX11 version).

• Weight: Approximately $0.6 \text{ kg}$.

Product Advantages

The CP 343-1 offers a high degree of flexibility by supporting multiple protocols simultaneously, allowing the PLC to talk to modern PC systems and legacy industrial equipment at the same time. Its S7 Routing capability is a major benefit, as it allows for cross-network programming and diagnostics; a technician can access a PLC on a different subnet through the CP 343-1. Additionally, the Fetch/Write and Send/Receive functions provide a robust way to exchange large blocks of data between different PLC brands or high-level management systems (MES/ERP). The module also offloads communication tasks from the main CPU, ensuring that the control logic performance is not compromised by heavy network traffic.

Important Considerations (Precautions)

It is important to note that the 6GK7343-1EX11-0XE0 is a legacy product that has reached its "End of Product Lifecycle." While it is still widely used in existing plants, for new installations, Siemens typically recommends the successor models like the 6GK7343-1EX30-0XE0. When configuring the module, ensure that the MAC address (printed on the front of the housing) is correctly documented and does not conflict with other devices on the LAN. Because the module has an IP rating of IP20, it must be installed in a control cabinet to protect it from dust and moisture. Users should also regularly check for firmware updates to address potential security vulnerabilities and ensure compatibility with newer versions of STEP 7.

Product Applications

The CP 343-1 is extensively used in large-scale manufacturing and process automation. Its most common application is connecting S7-300 PLCs to a plant-wide Ethernet backbone, allowing for centralized data collection and monitoring. In the automotive industry, it is used to link individual machine cells to a master SCADA system. In water treatment and energy management, it enables remote diagnostics and control over long distances via standard network infrastructure. It is also frequently used to interface Siemens controllers with third-party systems (like Unix or Windows-based servers) using standard TCP/IP or ISO protocols for high-level production reporting.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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