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| Place of Origin: | Germany |
| Brand Name: | Beckhoff |
| Certification: | COO & COC |
| Model Number: | EL6731 |
EL6731 Beckhoff High-performance PROFIBUS DP Master/slave Terminal Modules
The Beckhoff EL6731 is a high-performance PROFINET I/O communication terminal designed to connect Beckhoff’s EtherCAT-based automation systems directly to PROFINET IO networks. As a key gateway device in heterogeneous industrial environments, the EL6731 enables seamless data exchange between EtherCAT masters (e.g., TwinCAT PLCs) and PROFINET controllers from Siemens, Rockwell, Schneider, and other major vendors—making it an essential component for integrating Beckhoff I/O into existing PROFINET infrastructures or hybrid automation architectures.
Product Overview: Beckhoff EL6731
| Manufacturer | Beckhoff Automation |
| Model / Part Number | EL6731 |
| Device Type | PROFINET I/O Terminal (Coupler) |
| Function | Acts as a PROFINET IO Device (Slave) on the fieldbus side and communicates via EtherCAT on the controller side |
| PROFINET Compatibility | Supports PROFINET Conformance Class A (CC-A) and Class B (CC-B) |
| Transmission Speed | Up to 100 Mbps (full-duplex Ethernet) |
| Real-Time Protocol | Supports PROFINET RT (Real-Time) communication |
| I/O Data Exchange | Cyclic exchange of process data between EtherCAT and PROFINET networks |
| Configuration | Automatically recognized by PROFINET engineering tools using GSDML file (provided by Beckhoff) |
| Diagnostics | Integrated LED status indicators for power, EtherCAT, PROFINET link/activity, and errors |
| Power Supply | Powered via the EtherCAT bus (E-bus) – no separate 24 V supply needed |
| Mounting | Standard 35 mm DIN rail, compact width of 12 mm |
| Certifications | CE, UL, KC, EAC, RoHS compliant |
Product details pictures
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