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Beckhoff KL6841

Bus Terminal, 1-channel communication interface, SMI, master, 230 V AC

MPN: KL6841
Category: KL6xxx | Communication

Price and lead time confirmed within 1 business day

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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 KL6841?

The KL6841 master terminal connects the Bus Terminal system with the SMI bus system. SMI (Standard Motor Interface) is used for controlling and exact positioning of roller shutter and sun protection device drives. In conjunction with intelligent energy

Specifications

Technology	SMI
Number of channels	1
Number of slaves	16
Data transfer standard	SMI
Data transfer rates	2400 baud
Topology	line topology
Cable length	max. 200 m
Current consumption K-bus	typ. 55 mA
Electrical isolation	500 V (K-bus/SMI-bus)
Bit width in the process image	input/output: 24 bytes
Configuration	via the Bus Coupler or the controller
Input voltage	24 V DC (-15%/+20%)
Insulation voltage	SMI bus/K-bus: 1,500 V DC
SMI system	230 V AC
Special features	2 digital inputs for simplified commissioning; TwinCAT library: TwinCAT PLC SMI
Weight	approx. 80 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
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
Connection cross-section AWG	s: AWG28…14, st: AWG28…14, f*: AWG26…16
Stripping length	8…9 mm
Current load power contacts	Imax: 10 A
Dimensions (W x H x D)	12 mm x 100 mm x 68 mm

KL6841: frequently asked questions

When can KL6841 be shipped?

KL6841 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 KL6841 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 KL6841 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 KL6841, subject to availability and destination.