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Article No. KL1408

KL1408 | Bus Terminal, 8-channel digital input, 24 V DC, 3 ms, 1-wire connection

The KL1408 digital input terminal acquires the binary 24 V DC control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. Each Bus Terminal contains eight channels which indicate their signal state by means of light emitting diodes.

Special features:

  • input specification type 1/3
  • no bouncing due to mechanical switches thanks to 3 ms input filter
Technical dataKL1408, KS1408
Connection technology1-wire
SpecificationEN 61131-2, type 1/3
Number of inputs8
Nominal voltage24 V DC (-15 %/+20 %)
“0” signal voltage-3…+5 V (EN 61131-2, type 1/3)
“1” signal voltage11…30 V (EN 61131-2, type 3)
“0” signal current0…1.5 mA
“1” signal current2.0…2.5 mA
Input filtertyp. 3.0 ms
Current consumption K-bustyp. 5 mA
Current consumption power contactstyp. 2 mA + load
Electrical isolation500 V (K-bus/field potential)
Bit width in the process image8 inputs
Configurationno address or configuration setting
Weightapprox. 55 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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