Number of Bus Terminals64 (255 with K-bus extension)Max. number of bytes fieldbus492 byte input and 492 byte outputDigital peripheral signals3,936 inputs/outputsAnalog peripheral signals122 inputs/outputsConfiguration possibilityvia KS2000ProtocolEtherNet/IPData transfer rates10/100 Mbit/s, automatic recognition of the transmission rateBus interface2 x RJ45 (2-channel switch)Data transfer medium4 x 2 twisted pair copper cable; category 3 (10 Mbit/s), category 5 (100 Mbit/s)

Power supply24 V DC (-15%/+20%)Input current70 mA + (total K-bus current)/4, 500 mA max.Starting current2.5 x continuous currentRecommended fuse≤ 10 ACurrent supply K-bus1750 mAPower contactsmax. 24 V DC/max. 10 AElectrical isolation500 V (power contact/supply voltage/fieldbus)Topologyline or star wiringCascadingup to 20 BK9105 or max. line length 2 kmDistance between stations100 m between hub/switch and bus coupler or between bus coupler and bus couplerWeightapprox. 170 gOperating/storage temperature-25…+60°C/-40…+85°CRelative humidity95%, no condensationVibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4Protect. rating/installation pos.IP20/variableApprovals/markingsCE, UL, ATEX, IECEx, DNV GLEx markingATEX: II 3 G Ex ec IIC T4 Gc

IECEx: Ex ec IIC T4 Gc