Estimated Lead Time: 4-6 Weeks
Manufacturer: BECKHOFF
Part No.: BK4020
Product Type: Interbus Bus Coupler
Number of Bus Terminals: 64 (255 with K-bus extension)
Max. number of bytes fieldbus: 64 byte input and 64 byte output
Digital peripheral signals: 512 inputs/outputs
Analog peripheral signals: 32 inputs/outputs
Configuration possibility: via KS2000
Data transfer rates: 500 kbaud
Bus interface: 2 x D-sub plug, 9-pin, plug and socket with screening and vibration lock
Data transfer medium: LiYCY 3 x 2 x 0.22 mm²
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)
Data transfer time: approx. 1 ms in the case of 10 modules for 32 bit input and output each
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: 1.5 kg
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