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BK8100 | RS485/RS232 Bus Couplers

BK8100 | RS485/RS232 Bus Couplers

BK8100 | RS485/RS232 Bus Couplers

Power LEDs
K-bus
Bus Coupler
supply
Input for
power contacts
Power contacts
Serial interface
Address selector
Ethernet RJ45
BK8100 | RS485/RS232 Bus Couplers

BK8100 | RS485/RS232 Bus Couplers

The BK8100 Bus Coupler usess the physics of the RS232C (V.24) specification for data transmission. Application of the Bus Coupler with a serial interface is suited to those cases in which the use of a fieldbus system can be omitted. The RS232 interface can be used by any automation device with the corresponding interface to gain access to the Bus Coupler. Data exchange is made via an open, documented protocol.

Another mode of operation is for the Bus Coupler to function in master/slave mode as a fieldbus multiplexer. The input data from one device are copied directly to the outputs of the other, without the aid of an additional master – and vice versa.

The BK8100 Bus Coupler has an RS232C interface, and has been designed particularly for peer-to-peer connection.

Product status:

regular delivery

Product information

Technical dataBK8100
Number of Bus Terminals64
Max. number of bytes fieldbus512 byte input and 512 byte output
Digital peripheral signals512 inputs/outputs
Analog peripheral signals256 inputs/outputs
Configuration possibilityvia KS2000
Protocolopen, documented protocol
Data transfer rates9.6 kbaud, 19.2 kbaud, 38.4 kbaud
Bus interfaceRS232 D-sub
Data transfer mediumshielded copper cable 3 x 0.25 mm² (RS232)
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-bus1750 mA
Power contactsmax. 24 V DC/max. 10 A
Electrical isolation500 V (power contact/supply voltage/fieldbus)
Weightapprox. 170 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, 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

Ordering information
BK8100RS232 Bus Coupler for up to 64 Bus Terminals
BK8100-0060RS232 Bus Coupler for up to 64 Bus Terminals, watchdog special setting 60 s
BK8100-1001RS232 Bus Coupler for up to 64 Bus Terminals, watchdog special setting 10 s

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