BECKHOFF-BK1120

System data EtherCAT | BK1120
Number of I/O stations 65,535
Number of I/O points depending on controller
Data transfer medium Ethernet/EtherCAT Cat.5 cable
Max. cable length 100 m (100BASE-TX)
Data transfer rates 100 Mbit/s
Data transfer time 0.01 ms in the case of 10 modules for 32 bit inputs and outputs each (without K-bus run-time)

Technical data BK1120
Number of Bus Terminals 64 (255 with K-bus extension)
Max. number of bytes fieldbus 1024 byte input and 1024 byte output
Configuration possibility via KS2000 or EtherCAT (ADS)
Bus interface 2 x RJ45
Power supply 24 V DC (-15 %/+20 %)
Input current 70 mA + (total K-bus current)/4, 500 mA max.
Starting current approx. 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/Ethernet)
Distance between stations 100 m (100BASE-TX)
Weight approx. 150 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. class/installation pos. IP 20/variable
Approvals/markings CE, UL, ATEX
Ex marking II 3 G Ex nA IIC T4 Gc