BK3150 | PROFIBUS Compact Bus Coupler

BK3150 | PROFIBUS Compact Bus Coupler

The Compact Bus Coupler BK3150 for PROFIBUS extends the Beckhoff Bus Terminal system by a cost-optimized version in a compact housing. Up to 64 Bus Terminals are supported; with the terminal bus extension, up to 255 Bus Terminals can be connected. The PROFIBUS Bus Coupler offers automatic baud rate detection up to 12 Mbaud and two address selection switches for address assignment. For the fieldbus connection, a D-sub 9-pin socket for the ZS1031-3000 or ZB3100 PROFIBUS connectors is available. 

Number of Bus Terminals 64 (255 with K-bus extension)

Max. number of bytes fieldbus 128 byte input and 128 byte output

Data transfer rates automatic detection up to 12 Mbaud

Bus interface 1 x D-sub 9-pin socket with shielding

Data transfer medium shielded copper cable, 2 x 0.25 mm²

Power supply 24 V DC (-15 %/+20 %)

Input current 70 mA + (total K-bus current)/4, 500 mA max.

Current supply K-bus 1750 mA

Power contacts max. 24 V DC/max. 10 A

Electrical isolation 500 V (power contact/supply voltage/fieldbus)

Weight approx. 100 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, IECEx

Ex marking ATEX: II 3 G Ex ec IIC T4 Gc

IECEx: Ex ec IIC T4 Gc

>>> Refer to technical document: