BECKHOFF BK5120 CAN open Bus Coupler

Manufacturer: BECKHOFF
Type: CAN open Bus Coupler
Model: BK5120

The BK5120 Economy plus Bus Coupler connects the CAN bus system to the electronic terminal blocks, which can be extended in modular fashion. One unit consists of one Bus Coupler, any number of up to 64 terminals and one end terminal. With the K-bus extension technology, the BK5120 allows the connection of up to 255 spatially distributed Bus Terminals to one Bus Coupler.

Technical data BK5120

Number of Bus Terminals 64 (255 with K-bus extension)
Max. number of bytes fieldbus 16 Tx/Rx PDOs
Digital peripheral signals 960 inputs/outputs
Analog peripheral signals 60 inputs/outputs
Configuration possibility via KS2000 or the controller
Number of PDOs (CANopen) 16 Tx/16 Rx
Additional CANopen features life, node guarding, emergency object, variable mapping, store/restore
Data transfer rates up to 1 Mbaud
Bus interface 1 x open style connector, 5-pin, included
Data transfer medium screened, twisted copper cable, 2 x signal, 1 x ground (recommended)
Power supply 24 V DC (-15 %/+20 %)
Input current 70 mA + (total K-bus current)/4, 500 mA max.
Starting current approx. 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 Bus Coupler)
PDO modes synchron, cyclic, event driven, polling
Weight approx. 150 g
Operating/storage temperature -25…+60 °C/-40…+85 °C