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KL1488, KL1498 | 8-channel digital input terminals 24 V DC

The digital input terminals KL1488 and KL1498 (negative switching) acquire the binary control signals from the process level and transmit them, in an electrically isolated form, to the higher-level automation unit. The Bus Terminals contain eight channels which indicate their signal state by means of light emitting diodes. They are particularly suitable for space-saving use in control cabinets. By using the single-ended connection technique, a multi-channel sensor can be connected in the smallest space with a minimum amount of wiring. The power contacts are looped through.

For the KL1488 and KL1498 Bus Terminals, the reference point for all inputs is the 24 V power contact. These versions have input filters with different speeds.

Technical data KL1488 | KS1488 KL1498 | KS1498
Connection technology 1-wire
Number of inputs 8
Nominal voltage 24 V DC (-15 %/+20 %)
“0“ signal voltage 18…30 V
“1“ signal voltage 0…7 V
“0“ signal current
“1“ signal current typ. 3 mA
Input filter typ. 3.0 ms typ. 0.2 ms
Current consumpt. K-bus typ. 5 mA
Current consumption power contacts typ. 2 mA + load
Electrical isolation 500 V (K-bus/field potential)
Bit width in the process image 8 inputs
Configuration no address or configuration setting
Weight approx. 55 g
Operating/storage temperature 0…+55 °C/-25…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27/29
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 20/variable
Pluggable wiring for all KSxxxx Bus Terminals
Approvals CE, UL, Ex

Product announcement
KL1488, KL1498: available
KS1488, KS1498: estimated market release on request

 

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