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BK5120 | CANopen Bus Coupler

Image similar, may contain optional accessories
BK5120 | CANopen Bus Coupler

BK5120 | CANopen Bus Coupler

Power LEDs
K-bus
Bus Coupler
supply
Input for
power contacts
Power contacts
Fieldbus connection
Address selector
Configuration interface
BK5120 | CANopen Bus Coupler

BK5120 | CANopen Bus Coupler

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.

The Bus Coupler works on the CAN protocol basis as defined in ISO 11898. In addition to network services, CANopen also determines the data allocation for automation systems applications and has established itself as an open CAN application layer. The Bus Coupler supports all types of CANopen communications and can also be used without difficulty in manufacturer-specific CAN environments due to the simple structure of this protocol definition. The firmware can be updated via the configuration interface.

Parameterizing can also be carried out using any CANopen configuration tools. For this, EDS data files are available, which describe all the setting options for the CANopen coupler. For most applications, however, no configuration is necessary, as CANopen provides practical default values for all parameters.

Product status:

regular delivery

Product information

Technical dataBK5120
Number of Bus Terminals64 (255 with K-bus extension)
Max. number of bytes fieldbus16 Tx/Rx PDOs
Digital peripheral signals960 inputs/outputs
Analog peripheral signals60 inputs/outputs
Configuration possibilityvia KS2000 or the controller
Number of PDOs (CANopen)16 Tx/16 Rx
Additional CANopen featureslife, node guarding, emergency object, variable mapping, store/restore
Data transfer ratesup to 1 Mbaud
Bus interface1 x open style connector, 5-pin, included
Data transfer mediumscreened, twisted copper cable, 2 x signal, 1 x ground (recommended)
Power supply24 V DC (-15%/+20%)
Input current70 mA + (total K-bus current)/4, 500 mA max.
Starting currentapprox. 2.5 x continuous current
Recommended fuse≤ 10 A
Current supply K-bus1750 mA
Power contactsmax. 24 V DC/max. 10 A
Electrical isolation500 V (power contact/supply voltage Bus Coupler)
PDO modessynchron, cyclic, event driven, polling
Weightapprox. 150 g
Operating/storage temperature-25…+60°C/-40…+85°C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE, UL, ATEX, IECEx, DNV GL
Ex markingATEX: II 3 G Ex ec IIC T4 Gc
IECEx: Ex ec IIC T4 Gc
Housing dataBKxxxx, BCxxxx
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)51 mm x 100 mm x 69 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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