BK7520 BECKHOFF SERCOS II Bus Coupler

Estimated Lead Time: 4-6 Weeks

Manufacturer: BECKHOFF

Part No.: BK7350

Product Type: SERCOS II Bus Coupler

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

Max. number of bytes fieldbus: 254 word I/O for the cyclic interface (depending on the master)

Digital peripheral signals: 1,020 inputs/outputs

Analog peripheral signals: 254 inputs/outputs

Configuration possibility: via KS2000

Data transfer rates: 2/4/8/16 Mbaud, adjustable by means of configuration switch

Bus interface: FSMA standard, IEC 872-2

Data transfer medium: 1,000 µm plastic fiber optic

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

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

Starting current: 2.5 x continuous current

Recommended fuse: ≤ 10 A

Current supply K-bus: 1750 mA

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

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

Distance between stations: 40 m plastic fiber optic

Weight: approx. 170 g

Operating/storage temperature: 0…+55 °C/-25…+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

Shipping Weight: 1 kg