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Beckhoff Automation Pte. Ltd.

#05-07/08 Nordic European Centre
3 International Business Park
Singapore 609927, Singapore

+65 6697 6220
info@beckhoff.com.sg
www.beckhoff.com/zh-sg/

KL4494 | Bus Terminal, 2-channel analog input + 2-channel analog output, voltage, ±10 V, 12 bit, single-ended

Image similar, may contain optional accessories
KL4494 | Bus Terminal, 2-channel analog input + 2-channel analog output, voltage, ±10 V, 12 bit, single-ended

KL4494 | Bus Terminal, 2-channel analog input + 2-channel analog output, voltage, ±10 V, 12 bit, single-ended

Run LED 1
Run LED 3
Run LED 2
Run LED 4
Power contact
+24 V
Power contact 0 V
Input 1
Ground
Output 1
Ground
Input 2
Ground
Output 2
Ground
Top view 
Contact assembly 
KL4494 | Bus Terminal, 2-channel analog input + 2-channel analog output, voltage, ±10 V, 12 bit, single-ended

KL4494 | Bus Terminal, 2-channel analog input + 2-channel analog output, voltage, ±10 V, 12 bit, single-ended

The KL4494 Bus Terminal combines two analog inputs and two analog outputs in one housing and can process signals in the range between -10 to +10 V. The voltage is digitized to a resolution of 12 bits and is transmitted, electrically isolated, to the higher-level automation device or to the process level. The input and output channels of the Bus Terminal have a common ground potential. The run LEDs give an indication of the data exchange with the Bus Coupler.

Product status:

KL4494: regular delivery
KS4494: product announcement | estimated market release on request

Product information

Technical dataKL4494
Technologysingle-ended
Number of outputs2 outputs + 2 inputs
Number of inputs2
Power supplyvia the K-bus
Signal voltage-10…+10 V
Internal resistance input> 130 kΩ
Load> 5 kΩ (short-circuit proof)
Output error< ±0.3% (relative to end value)
Resolution12 bit
Conversion time< 2 ms
Electrical isolation500 V (K-bus/signal voltage)
Current consumption power contactsload only
Current consumption K-bustyp. 70 mA
Bit width in the process imageinput/output: 2 x 16 bit data
Special featuresinput/output terminal
Weightapprox. 55 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
Pluggable wiringfor all KSxxxx Bus Terminals
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataKL-12-8pinKS-12-8pin
Design formcompact terminal housing with signal LEDsterminal housing with pluggable wiring level
Materialpolycarbonate
Dimensions (W x H x D)12 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
s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
s*: AWG28…16,
st*: AWG28…16,
f*: AWG26…16
Stripping length8…9 mm9…10 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

Ordering information
KL4494Bus Terminal, 2-channel analog input + 2-channel analog output, voltage, ±10 V, 12 bit, single-ended
KS4494Bus Terminal, 2-channel analog input + 2-channel analog output, voltage, ±10 V, 12 bit, single-ended, pluggable wiring

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