Product overview
BK3xx0
13
Version: 4.3.0
2.3
BK35x0 - Technical data (optical fibers)
Fig. 3: BK3500 and BK3520 - Bus Couplers with optical fiber connection for PROFIBUS DP
Technical data
Type
BK3500
BK3520
Number of Bus Terminals
64
64 (255 with K-bus extension)
Digital peripheral signals
max. 512 inputs/outputs
max. 1020 inputs/outputs
Analog peripheral signals
max. 64 inputs/outputs
max. 64 inputs/outputs
Configuration possibility
Via the KS2000 configuration software or the controller
Max. number of bytes
(inputs and outputs)
128 bytes
128 bytes
Baud rates
up to max. 1.5 Mbaud (manual setting)
up to max. 12 Mbaud (automatic detec-
tion)
Bus connection
1 x optical fiber with 2 HP Simplex con-
nectors
2 x optical fibers with 2 HP Simplex con-
nectors each
Power supply
24 V
DC
(-15% /+20%)
Input current
70 mA + (total K-bus current)/4, 500 mA, 500 mA max.
Starting current
2.5 x continuous current
Recommended fuse
maximum 10 A
K-bus power supply up to
1750 mA
Power contact voltage
maximum 24 V
DC
Power contact current load
maximum 10 A
Electrical isolation
Power contact / supply / fieldbus
Dielectric strength
500 V (power contact / supply / fieldbus)
Weight
approx. 170 g
approx. 170 g
Permissible ambient temperature (operation)
0°C … +55°C
Permissible ambient temperature (storage)
-25°C … +85°C
Permissible 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
Protection class
IP20
Installation position
variable
Approvals
