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
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
