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KL3012 | Bus Terminal, 2-channel analog input, current, 0…20 mA, 12 bit, differential
The KL3012 analog input terminal handles signals in the range from 0 to 20 mA. The current is digitized to a resolution of 12 bits and is transmitted, in an electrically isolated form, to the higher-level automation device. The input channels of the Bus Terminal have differential inputs and possess a common, internal ground potential. An open lead or overload condition are detected, and the terminal status is relayed to the controller via the K-bus. 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.
Signal current 0…20 mA
Technology differential input
Internal resistance 80 Ω + diode voltage 0.7 V
Common-mode voltage UCM max. 35 V
Conversion time ~ 2 ms
Resolution 12 bit
Measurement error/ uncertainty < ±0.3 % (relative to full scale value)
Surge voltage resistance 35 V DC
Electrical isolation 500 V (K-bus/signal voltage)
Current consumption power contacts – (no power contacts)
Current consumption K-bus typ. 60 mA
Bit width in the process image input: 2 x 16 bit data (2 x 8 bit control/status optional)
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, cFMus
Pluggable wiring for all KSxxxx Bus Terminals
Ex marking ATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
cFMus:
Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, AEx ec IIC T4 Gc
PLC Programmable Controller
HMI
Driver & servo motor
Inverter
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Rotary Encoder
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