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Beckhoff
KL3444
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Beckhoff KL3444
KL3444 | 4-channel analog input terminal 0…20 mA
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Description
The KL3444 analog input terminal processes signals in the range between 0 and 20 mA. The current is digitised to a resolution of 12 bits and is transmitted, in an electrically isolated form, to the higher-level automation device. In the KL3444, the four inputs are 2-wire versions and have a common ground potential. The reference ground of the inputs is the internal ground. Overload is detected. The terminal status is relayed to the controller via the K-bus. The LEDs indicate the data exchange with the Bus Coupler as well as overload or wire breakage.
Technical parameters
| Number of inputs: | 4 |
| Power supply: | via the K-bus |
| Signal current: | 0…20 mA |
| Technology: | single-ended |
| Internal resistance: | < 85 Ω |
| Common-mode voltage UCM: | – |
| Conversion time: | ~ 2 ms |
| Resolution: | 12 bit |
| Measuring error: | < ±0.3 % (relative to full scale value) |
| Surge voltage resistance: | 30 V DC |
| Electrical isolation: | 500 V (K-bus/signal voltage) |
| Current consumption power contacts: | – |
| Current consumption K-bus: | typ. 85 mA |
| Bit width in the process image: | input: 4 x 16 bit data (4 x 8 bit control/status optional) |
| Configuration: | no address or configuration setting |
| Special features: | – |
| 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 |
| 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 |
Logistic parameters
| ECCN: | |
| Country of Origin: | |
| EAN: | |
| Weight: | 0.00 kg |
| Length: | 0.00 m |
| Width: | 0.00 m |
| Height: | 0.00 m |