Interbus
Bus Coupler
Interbus Bus Coupler
Beckhoff
Beckhoff Interbus Bus Coupler
Beckhoff BK4020
Interbus Bus Coupler Beckhoff BK4020
BK4020 | Interbus Bus Coupler
System data | Interbus | BK4020 |
Number of I/O stations | 256 |
Number of I/O points | 4,096 |
Data transfer medium | LiYCY 3 x 2 x 0.22 mm² |
Max. cable length | max. 400 m |
Data transfer rates | 500 kbaud |
Data transfer time | approx. 1 ms in the case of 10 modules for 32 bit input and output each |
Technical data | BK4020 |
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 |
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 | 24 V DC max./10 A max. |
Electrical isolation | 500 V (power contact/supply voltage/fieldbus) |
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. class/installation pos. | IP 20/variable |
Approvals | CE, UL, Ex |