Bộ kết nối SERCOS interface Economy plus Beckhoff BK7520

Technical data	BK7520
Number of Bus Terminals	64 (255 with K-bus extension)
Max. number of bytes fieldbus	254 word I/O for the cyclic interface (depending on the master)
Digital peripheral signals	1,020 inputs/outputs
Analog peripheral signals	254 inputs/outputs
Configuration possibility	via KS2000
Data transfer rates	2/4/8/16 Mbaud, adjustable by means of configuration switch
Bus interface	FSMA standard, IEC 872-2
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)
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/markings	CE, UL, ATEX
Ex marking	II 3 G Ex nA IIC T4 Gc

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