BECKHOFF BECKHOFF KL3404

BECKHOFF KL3404

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Article No. KL3404

KL3404 | Bus Terminal, 4-channel analog input, voltage, ±10 V, 12 bit, single-ended

The analog input terminal KL3404 processes signals in the range between -10 and +10 V. The voltage is digitised to a resolution of 12 bits and is transmitted, electrically isolated, to the higher-level automation device. In the KL3404 Bus Terminal, the four inputs are 2-wire versions and have a common ground potential. The reference ground of the inputs is the internal ground. The LEDs indicate the data exchange with the Bus Coupler.

Technical dataKL3404, KS3404
Number of inputs4
Power supplyvia the K-bus
Signal voltage-10…+10 V
Technologysingle-ended
Internal resistance> 130 kΩ
Common-mode voltage UCM
Conversion time~ 2 ms
Resolution12 bit (for 0…10 V range: resolution 11 bit)
Measuring error< ±0.3 % (relative to full scale value)
Electrical isolation500 V (K-bus/signal voltage)
Current consumption power contacts
Current consumption K-bustyp. 100 mA
Bit width in the process imageinput: 4 x 16 bit data (4 x 8 bit control/status optional)
Configurationno address or configuration setting
Special features
Weightapprox. 75 g
Operating/storage temperature-25…+60 °C/-40…+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. class/installation pos.IP 20/variable
Pluggable wiringfor all KSxxxx Bus Terminals
Approvals/markingsCE, UL, ATEX, DNV GL
Ex markingII 3 G Ex nA IIC T4 Gc
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