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Homag 4-086-05-0628 Beckhoff BK1250 EtherCAT and Bus Terminal Coupler

Homag 4-086-05-0628 Beckhoff BK1250 EtherCAT and Bus Terminal Coupler

• Beckhoff BK1250
• Homag 4-086-05-0628 (4086050628)
• BK1250 EtherCAT
• BK1250 Bus Terminal Coupler
• BK1250 ETHERCAT TO K-BUS COUPLER
• BK1250 I/O Coupler
• Terminal coupler
• Compact coupler between EtherCAT Terminals and Bus Terminals
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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).

Beckhoff BK1250.jpg

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
BK1250 Bus Terminal Coupler.jpg

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