BK7350 | BECKHOFF | Modbus Bus Coupler

Estimated Lead Time: 4-6 Weeks

Manufacturer: BECKHOFF

Part No.: BK7350

Product Type: Modbus Bus Coupler

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

Max. number of bytes fieldbus: 512 byte input and 512 byte output

Digital peripheral signals: 1,020 inputs/outputs

Analog peripheral signals: 256 inputs/outputs

Configuration possibility: by rotary switch or KS2000

Protocol: RTU/ASCII (default: RTU)

Data transfer rates: 150 baud…38,400 baud

Bus interface: D-sub 9-pin, RS485

Data transfer medium: screened, twisted copper cable 2 x 0.25 mm² (RS485)

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

Input current: 320 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)

I/O communication types: read/write access, optionally bit oriented or word oriented

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

Shipping Weight: 1 kg