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KL4021, KS4021, KL4022, KS4022 | 1-, 2-channel analog output terminals 4…20 mA

The KL4021 and KL4022 analog output terminals generate analog output signals in the range from 4 to 20 mA. The power is supplied to the process level with a resolution of 12 bits and is electrically isolated. Ground potential for the output channels of a Bus Terminal is common with the 24 V DC supply. The output stages are powered by the 24 V supply. The KL4021 is the single-channel variant. The KL4022 combines two channels in one housing. The run LEDs give an indication of the data exchange with the Bus Coupler.

 

Technical data KL4021, KS4021 KL4022, KS4022
Technology single-ended
Number of outputs 1 2
Power supply 24 V DC via power contacts (alternative 15 V DC with power supply terminal KL9515)
Signal current 4…20 mA
Load max 500 Ω
Output error max ±0.1 % (relative to end value)
Resolution 12 bits
Conversion time ~ 1.5 ms
Electrical isolation 500 V (K-bus/signal voltage)
Current consumption power contacts typ. 30 mA + load typ. 50 mA + load
Current consumpt. K-bus typ. 60 mA
Bit width in the process image output: 1 x 16 bit data (1 x 8 bit control/status optional) output: 2 x 16 bit data (2 x 8 bit control/status optional)
Configuration no address or configuration setting
Special features
Weight approx. 80 g
Operating/storage temperature 0…+55 °C/-25…+85 °C -25…+60 °C/-40…+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, GL

 

 

Special terminals  
KL4022-0010 Siemens S5 format
KL4022-0050 Siemens S7 format

 

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