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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 |
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