Complaint
Homag 4-086-05-0628 (4086050628) Beckhoff BK1250 EtherCAT and Bus Terminal Coupler
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 assigned automatically. Up to 255 Bus Terminals can be connected via the K-Bus extension.
It is widely used in Homag machines. Homag part number 4-086-05-0628 (4086050628).
Special features:
Compact design
mixed use of EtherCAT Terminals and Bus Terminals
The system and field supply, each 24 V DC, is provided directly at the BK1250
Technical data for BK1250:
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 |
Protocol | EtherCAT |
Configuration possibility | via KS2000 or EtherCAT (ADS) |
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/storage temperature | -25…+60 °C/-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, UL, ATEX |
Ex marking | II 3 G Ex nA IIC T4 Gc |
There are other BK series EtherCAT couplers:
EtherCAT Couplers K-bus | BK1120 | BK1150 | BK1250 |
Bus Coupler (Economy plus) | Bus Coupler (Compact) | E-bus to K-bus interface |
