BECKHOFF BK3150

SKU

The BK3150 Compact Bus Coupler for PROFIBUS provides a cost-effective, space-saving expansion for the Beckhoff Bus Terminal system. It supports up to 64 Bus Terminals directly, or up to 255 when using a terminal bus extension. Featuring automatic baud rate detection up to 12 Mbaud, the coupler includes two address selection switches for assigning addresses. A 9-pin D-sub socket is built in for connecting to fieldbuses via ZS1031-3000 or ZB3100 PROFIBUS connectors.

Manufacturer

BECKHOFF AUTOMATION

Category

PROFIBUS COUPLERS

HS code

85371099

UNSPSC

32150000

Net weight

approx. 100 g

Country of origin

GERMANY

Highlights

Number of Bus Terminals 64 (255 with K-bus extension)
Max. number of bytes fieldbus 128 byte input and 128 byte output
Transmission rate automatic detection up to 12 Mbaud
Bus interface 1 x D-sub 9-pin socket with shielding
Transmission 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 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, cFMus
Ex marking ATEX:
II 3G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
cFMus:
Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, AEx ec IIC T4 Gc