Bk35X0 - Technical Data (Optical Fibers); Fig. 3 Bk3500 And Bk3520 - Bus Couplers With Optical Fiber Connection For Profibus Dp - Beckhoff BK3 0 Series Documentation

2.3

BK35x0 - Technical data (optical fibers)

Fig. 3: BK3500 and BK3520 - Bus Couplers with optical fiber connection for PROFIBUS DP
Technical data
Type
Number of Bus Terminals
Digital peripheral signals
Analog peripheral signals
Configuration possibility
Max. number of bytes
(inputs and outputs)
Baud rates
Bus connection
Power supply
Input current
Starting current
Recommended fuse
K-bus power supply up to
Power contact voltage
Power contact current load
Electrical isolation
Dielectric strength
Weight
Permissible ambient temperature (operation)
Permissible ambient temperature (storage)
Permissible relative humidity
Vibration/shock resistance
EMC immunity / emission
Protection class
Installation position
Approvals
BK3xx0
BK3500
64
max. 512 inputs/outputs
max. 64 inputs/outputs
Via the KS2000 configuration software or the controller
128 bytes
up to max. 1.5 Mbaud (manual setting)
1 x optical fiber with 2 HP Simplex con-
nectors
24 V (-15% /+20%)
DC
70 mA + (total K-bus current)/4, 500 mA, 500 mA max.
2.5 x continuous current
maximum 10 A
1750 mA
maximum 24 V
DC
maximum 10 A
Power contact / supply / fieldbus
500 V (power contact / supply / fieldbus)
approx. 170 g
0°C ... +55°C
-25°C ... +85°C
95% (no condensation)
conforms to EN 60068-2-6 / EN 60068-2-27
conforms to EN 61000-6-2 / EN 61000-6-4
IP20
variable
CE, ATEX [} 33], cULus
Version: 4.3.0
Product overview
BK3520
64 (255 with K-bus extension)
max. 1020 inputs/outputs
max. 64 inputs/outputs
128 bytes
up to max. 12 Mbaud (automatic detec-
tion)
2 x optical fibers with 2 HP Simplex con-
nectors each
approx. 170 g
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