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BK7150 | CC-Link Compact Bus Coupler

BK7150 | CC-Link Compact Bus Coupler

BK7150 | CC-Link Compact Bus Coupler

Status display
fieldbus,
power LEDs
K-bus
Bus Coupler
supply
Input for
power contacts
Power contacts
Fieldbus connection
Baud rate selector
Configuration interface
Address selector
Address selector
BK7150 | CC-Link Compact Bus Coupler

BK7150 | CC-Link Compact Bus Coupler

The Compact Bus Coupler BK7150 connects the CC-Link system to the electronic terminal blocks, which can be extended in modular fashion. One unit consists of the Bus Coupler, any number of up to 64 terminals and one end terminal. The K-bus extension technology allows the connection of up to 255 spatially distributed Bus Terminals to one Bus Coupler.

The Bus Coupler recognizes the connected terminals and automatically generates the affiliations of the inputs/outputs to the bytes of the process image. The first input/output signal is inserted in the first bit of one byte (LSB), beginning from the left. The Bus Coupler inserts further signals in this byte. Inputs and outputs are clearly separated. The Bus Coupler automatically begins a further byte if the number of controller inputs or outputs exceeds 8 bits.

CC-Link is an open fieldbus system. Baud rates up to 10 Mbaud can be selected via a switch, so that the transfer speed can be adapted to the requirement of the technical process.

Product status:

regular delivery

Product information

Technical dataBK7150
Number of Bus Terminals64 (255 with K-bus extension)
Max. number of bytes fieldbus32 byte input and 32 byte output
Digital peripheral signals112 inputs/outputs
Analog peripheral signals16 inputs/outputs
Configuration possibilityvia KS2000
Data transfer rates156 kbaud…10 Mbaud
Bus interface1 x open style connector, 5-pin, included
Data transfer mediumshielded 3-core, twisted pair cable
Power supply24 V DC (-15%/+20%)
Input current70 mA + (total K-bus current)/4, 500 mA max.
Starting current2.5 x continuous current
Recommended fuse≤ 10 A
Current supply K-bus1000 mA
Power contactsmax. 24 V DC/max. 10 A
Electrical isolation500 V (power contact/supply voltage/fieldbus)
Weightapprox. 100 g
Operating/storage temperature0…+55°C/-25…+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
Ex markingATEX: II 3 G Ex ec IIC T4 Gc
IECEx: Ex ec IIC T4 Gc
Housing dataBKxx50, BCxx50
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)44 mm x 100 mm x 68 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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