Siemens 6GK7343-1GX31-0XE0 is a CP 343-1 Advanced communications processor for connecting a SIMATIC S7-300 CPU to Industrial Ethernet. It supports PROFINET IO controller or device functions, RT and IRT, MRP, S7 communication, TCP/IP, ISO and UDP, plus S5-compatible SEND/RECEIVE functions. The module provides one Gigabit RJ45 interface and a two-port 10/100 Mbit/s PROFINET interface, with firewall and VPN functions, C-PLUG support, and external 24 V DC supply. Replacement planning should verify the CPU, project configuration, firmware, security settings, network services, connector layout, C-PLUG, and complete label.
| Product Condition | Original new |
| Availability | In stock |
| Official Lifecycle | PM410: Product cancellation; cancelled since 01.10.2025 |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping options available |
Condition, availability and warranty are Stockoems commercial information, not manufacturer commitments.
| Manufacturer | Siemens |
| Complete Part Number | 6GK7343-1GX31-0XE0 |
| Product Type | CP 343-1 Advanced communications processor |
| System | SIMATIC S7-300 |
| Primary Function | Connection of S7-300 CPU to Industrial Ethernet |
| PROFINET Role | IO controller and/or IO device; RT and IRT |
| Gigabit Interface | 1 x RJ45, 10/100/1000 Mbit/s |
| PROFINET Interface | 2 x RJ45, 10/100 Mbit/s |
| Protocols and Services | TCP/IP, ISO, UDP, S7, SEND/RECEIVE, SNMP, DHCP, FTP and email |
| Security Functions | Firewall and VPN |
| Removable Storage | C-PLUG supported |
| Supply | 5 V from backplane bus; external 24 V DC |
| Official Lifecycle | PM410: Product cancellation; cancelled since 01.10.2025 |
| Net Weight | 0.507 kg |
| Country of Origin | Germany |
| Use Area | Application Guidance |
|---|---|
| S7-300 Ethernet connection | Connects a compatible S7-300 CPU to a verified Industrial Ethernet architecture. |
| PROFINET IO communication | Supports configured controller or device roles using RT or IRT after project validation. |
| Industrial network services | Provides documented S7, TCP/IP, ISO, UDP, SEND/RECEIVE, FTP, email, SNMP, and DHCP functions. |
| Installed-base maintenance | Spare-part replacement after checking CPU support, firmware, C-PLUG data, security settings, ports, and project configuration. |
Siemens lists 6GK7343-1GX31-0XE0 as PM410: Product cancellation, with cancellation effective since 01.10.2025. Siemens also identifies it as a spare part. Replacement planning should preserve the exact order code and verify the S7-300 CPU, firmware, project, C-PLUG data, network services, security configuration, ports, and external 24 V DC supply.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
Structured verification, inspection, packaging, documentation and after-sales coordination for 6GK7343-1GX31-0XE0 procurement.
Model, suffix and label identity
Condition and technical compatibility
Product, connectors and packaging
Worldwide shipping and documentation
Warranty, returns and after-sales
| Service Item | How It Supports Your Purchase |
|---|---|
| Model and suffix verification | The quoted order code is compared with the request and readable label evidence. |
| Condition confirmation | Commercial condition is stated in writing and supported with available inspection evidence. |
| Technical compatibility review | Interfaces, power, accessories, firmware or software, approvals and system requirements are reviewed against the information supplied by the buyer. |
| Product and label photo confirmation | Clear product, connector, nameplate and packaging photographs can be requested before shipment. |
| Protective packaging | The unit is prepared with suitable protection for connectors, enclosure surfaces and transit handling. |
| Worldwide shipping | Available shipping options are coordinated for the destination country without promising an unconfirmed delivery date. |
| Shipment tracking | Tracking details are supplied when issued by the selected carrier. |
| Customs documentation | Commercial shipping documents are prepared according to the confirmed transaction and destination requirements. |
| Written warranty terms | The applicable Stockoems warranty terms are stated in writing before order confirmation. |
| Return authorization process | Return requests follow a documented review and authorization process. |
| After-sales response | Post-delivery questions are coordinated with the sales and technical support team. |
Complete part number, suffix, label details and requested configuration are checked before order confirmation.
Available product, connector, label and packaging photographs support condition and identity review.
Protective packaging, carrier coordination, shipment tracking and customs documentation are handled as confirmed.
Share the complete model, required quantity, destination country and available product label photos for a documented review.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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Email: sales6@apterpower.com | WhatsApp: +86 18159889985
