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Beckhoff BK8000

RS485 Bus Coupler

MPN: BK8000
Category: BKxxxx | Bus Coupler

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Beckhoff BK8000?

The BK8000 Bus Coupler usess the physics of the RS485 (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 RS485 interface

Specifications

Number of Bus Terminals	64
Max. number of bytes fieldbus	512 byte input and 512 byte output
Digital peripheral signals	512 inputs/outputs
Analog peripheral signals	256 inputs/outputs
Configuration	via KS2000
Protocol	open, documented protocol
Data transfer rates	9.6 kbaud, 19.2 kbaud, 38.4 kbaud
Bus interface	RS485 D-sub
Data transfer medium	screened, twisted copper cable 2 x 0.25 mm² (RS485)
Power supply	24 V DC (-15%/+20%)
Input current	70 mA + (total K-bus current)/4, 500 mA max.
Starting current	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/fieldbus)
Weight	approx. 170 g
Operating temperature	0…55°C
Storage temperature	-25…+85°C
Relative humidity	95%, no condensation
Vibration/shock resistance	conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission	conforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.	IP20/variable
Approvals/markings	CE, CCC, UL, ATEX, IECEx, DNV
Ex marking	ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc
Design form	compact terminal housing with signal LEDs
Material	polycarbonate
Installation	on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of	double slot and key connection
Marking	labeling of the BZxxxx series
Wiring	solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-section	s: 0.08…2.5 mm², st: 0.08…2.5 mm², f*: 0.14…1.5 mm²
Stripping length	8…9 mm
Current load power contacts	Imax: 10 A
Dimensions (W x H x D)	51 mm x 100 mm x 69 mm

BK8000: frequently asked questions

When can BK8000 be shipped?

BK8000 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up BK8000 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for BK8000 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for BK8000, subject to availability and destination.