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PLC Programmable Controller
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KL3042 | Bus Terminal, 2-channel analog input, current, 0…20 mA, 12 bit, single-ended
The job of the KL3042 analog input terminal is to supply power to measuring transducers located in the field and to transmit analog measurement signals with electrical isolation to the automation device. The voltage for the sensors is supplied to the terminal via the power contacts. The power contacts can optionally be supplied with operating voltage in the standard way or via a power feed terminal (KL9xxx) with electrical isolation. The input electronics is independent of the supply voltage of the power contacts. The 0 V rail is the reference potential for the inputs. The run LEDs give an indication of the data exchange with the Bus Coupler. The error LEDs indicate an overload condition and a broken wire.
Number of inputs 2
Power supply 24 V DC via power contacts
Signal current 0…20 mA
Technology single-ended
Internal resistance 80 Ω + diode voltage 0.7 V
Common-mode voltage UCM –
Conversion time ~ 2 ms
Resolution 12 bit
Measurement error/ uncertainty < ±0.3 % (relative to full scale value)
Surge voltage resistance max. 35 V
Electrical isolation 500 V (K-bus/signal voltage)
Current consumption power contacts load only
Current consumption K-bus typ. 65 mA
Bit width in the process image input: 2 x 16 bit data (2 x 8 bit control/status optional)
Configuration no address or configuration setting
Special features with sensor supply
Weight approx. 70 g
Operating/storage temperature -25…+60 °C/-40…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos. IP20/variable
Approvals/markings CE, UL, ATEX, IECEx, DNV GL
Pluggable wiring for all KSxxxx Bus Terminals
Ex marking ATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
>>> Refer to technical document: kl304x_kl305xen
PLC Programmable Controller
HMI
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