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High-Speed Ethernet Interface for S7-300 Controllers
The Siemens 6GK7343-1FX00-0XE0 communication processor provides a powerful Ethernet interface for SIMATIC S7-300 PLC systems. This module supports industrial Ethernet protocols including ISO-on-TCP, TCP/IP, and UDP for flexible network integration. It handles up to 16 simultaneous connections with other controllers and HMI devices. The processor also includes an integrated 2-port switch for line topology or daisy-chain configurations. It enables PG/OP communication for programming and operator panel connectivity. Furthermore, the module supports S7 communication for data exchange between controllers.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Communication Processor |
| Product Line | SIMATIC S7-300 |
| Order Number | 6GK7343-1FX00-0XE0 |
| Communication Protocols | ISO-on-TCP, TCP/IP, UDP |
| Max Connections | 16 simultaneous connections |
| Integrated Switch | 2-port switch |
| Data Transfer Rate | 10/100 Mbps (auto-detecting) |
| PG/OP Communication | Supported |
| S7 Communication | Supported (client and server) |
| Open Communication | Supported (TCP/IP, UDP) |
| Power Supply | 24V DC (via backplane) |
| Power Consumption | 300 mA typical |
| Electrical Isolation | 1500V between Ethernet and backplane |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (W x H x D) | 130 x 125 x 100 mm |
| Weight | 0.6 kg |
| Mounting | DIN-rail |
| Protection Class | IP20 |
| Certifications | CE, UL, CSA |
| Product Origin | Germany |
Application and System Integration
Engineers commonly deploy the Siemens 6GK7343-1FX00-0XE0 in manufacturing lines, building automation, and process control networks. This module connects S7-300 controllers to higher-level IT systems for data acquisition and remote monitoring. It enables efficient communication with HMI panels and SCADA systems via TCP/IP. The module supports DHCP and IP configuration for easy network setup. Consequently, plant operators achieve transparent industrial communication and reliable data exchange.