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Beckhoff KL3228

Bus Terminal, 8-channel analog input, temperature, RTD (Pt1000, Ni1000), 16 bit

MPN: KL3228
Category: KL3xxx | Analog input

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Beckhoff KL3228?

The KL3228 analog input terminal enables connection of eight resistance sensors. The Bus Terminal’s circuitry can handle sensors using the 1-wire technique. Linearization over the full temperature range is realized with the aid of a microprocessor. The

Specifications

Number of inputs	8
Power supply	via the K-bus
Technology	1-wire
Sensor types	Pt1000, Ni1000
Measuring range	-50…+150°C (Pt sensors); -50…+150°C (Ni sensors)
Connection method	1-wire
Conversion time	~ 1 s
Measuring current	typ. ~ 0.5 mA
Resolution	0.1°C per digit
Measurement error/uncertainty	~ ±1°C, depending on wiring
Electrical isolation	500 V (K-bus/signal voltage)
Current consumption power contacts	–
Current consumption K-bus	typ. 85 mA
Bit width in the process image	input: 8 x 16 bit data (8 x 8 bit control/status optional)
Configuration	no address setting, configuration via Bus Coupler or controller
Special features	open-circuit recognition
Weight	approx. 75 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
Pluggable wiring	for all KSxxxx Bus Terminals
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
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

KL3228: frequently asked questions

When can KL3228 be shipped?

KL3228 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 KL3228 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 KL3228 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 KL3228, subject to availability and destination.