In most procurement cycles, EL6851 is considered with Beckhoff El9410, El9550 Beckhoff and Beckhoff El2809, giving decision-makers confidence that they’ve chosen the most dependable component.
EL6851 - Beckhoff EtherCAT Communication Interface
EL6851 Beckhoff EtherCAT Communication Interface Technical Specifications
| Brand | Beckhoff |
| Product Type | EtherCAT Communication Interface |
| Product | EL6851 |
EL6851 Beckhoff EtherCAT Communication Interface Technical Specifications
| Specification | Value |
|---|---|
| Technology | DMX master terminal |
| Power supply | via the E-bus |
| Data transfer rates | 250 kbit, one start bit, two stop bits |
| Current consumption E-bus | typ. 130 mA |
| Electrical isolation | 500 V (E-bus/signal voltage) |
| Special features | supports RDM protocol, library available; electrically isolated |
| Weight | approx. 55 g |
| Storage temperature | -25…+85°C |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 Gc |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 12Â mm x 100Â mm x 68 mm |
| Housing - Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Housing - Side by side mounting by means of | double slot and key connection |
| Housing - Marking | labeling of the BZxxxx series |
| Housing - Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Housing - Connection cross-section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Housing - Connection cross-section AWG | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Housing - Stripping length | 8…9 mm |
| Housing - Current load power contacts | Imax: 10 A |
| Data transfer channels | RS485 physics/half duplex |
| Interfaces | RS485, termination resistor can be switched, half duplex |
| Configuration | no address setting, configuration via PLC |
| Bit width in the process image | variable |
| Protocol | DMX512 |
