Technical data	BK9055
Number of Bus Terminals	64 (255 with K-bus extension)
Max. number of bytes fieldbus	492 byte input and 492 byte output
Digital peripheral signals	3,936 inputs/outputs
Analog peripheral signals	122 inputs/outputs
Configuration	via KS2000
Protocol	EtherNet/IP™
Data transfer rates	10/100 Mbit/s, automatic recognition of the transmission rate
Bus interface	1 x RJ45
Data transfer medium	4 x 2 twisted pair copper cable; category 3 (10 Mbit/s), category 5 (100 Mbit/s)
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)
Topology	star wiring
Distance between stations	100 m between hub/switch and bus coupler
Weight	approx. 100 g
Operating temperature	0…55°C
Storage temperature	-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, CCC, UL, ATEX, IECEx
Ex marking	ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc