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Beckhoff BK1250
The BK1250 is a Bus Coupler in a terminal housing for mixed use of EtherCAT Terminals and standard Bus Terminals in a bus station. Up to 64 Bus Terminals and one bus end terminal can be connected to a…
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Description
The BK1250 is a Bus Coupler in a terminal housing for mixed use of EtherCAT Terminals and standard Bus Terminals in a bus station. Up to 64 Bus Terminals and one bus end terminal can be connected to a BK1250. The process image of the EtherCAT system is
Specification
| Number Of Bus Terminals | 64 (255 with K-bus extension) |
|---|---|
| Max. Number Of Bytes Fieldbus | 1024 byte input and 1024 byte output |
| Digital Peripheral Signals | 8,192 inputs/outputs |
| Analog Peripheral Signals | 256 inputs/outputs |
| Configuration | via KS2000 or EtherCAT (ADS) |
| Protocol | EtherCAT |
| Data Transfer Rates | 100 Mbit/s |
| Bus Interface | via E-bus contacts |
| Power Supply | 24 V DC (-15%/+20%) |
| Input Current | 70 mA + (total K-bus current)/4, 200 mA max. |
| Starting Current | approx. 2.5 x continuous current |
| Recommended Fuse | ≤ 10 A |
| Current Supply K Bus | 500 mA |
| Power Contacts | max. 24 V DC/max. 10 A |
| Electrical Isolation | 500 V (power contact/supply voltage/Ethernet) |
| Weight | approx. 55 g |
| Operating Temperature | -25…+60°C |
| Storage Temperature | -40…+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 Gc IECEx: Ex ec IIC T4 Gc |
| Design Form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side By Side Mounting By Means Of | double slot and key connection |
| Marking | labeling of the BZxxxx series |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Connection Cross Section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Connection Cross Section Awg | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping Length | 8…9 mm |
| Current Load Power Contacts | Imax: 10 A |
| Dimensions (W X H X D) | 12 mm x 100 mm x 68 mm |
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