Description
The KL3356 analog input terminal permits direct connection of a resistor bridge. An improved input circuit makes the KL3356 significantly more accurate than the KL3351. The ratio between the bridge voltage UD and the supply voltage UREF is determined in the input circuit. In order to achieve good long-term stability, the complete circuit is re-calibrated at least every three minutes. This procedure can be synchronized by the control in order to prevent the calibration leading to a delay in the production process.
| Technical data | KL3356, KS3356 |
|---|---|
| Number of inputs | 2, for 1 resistor bridge |
| Power supply | via the K-bus |
| Signal voltage | UD: -20…+20 mV UREF: -12…+12 V |
| Signal voltage UD, UREF | -20…+20 mV, -12…+12 V |
| Technology | strain gauge connection |
| Internal resistance | > 200 kΩ (UREF), > 1 MΩ (UD) |
| Power supply UV | via power contacts |
| Conversion time | < 250 ms, configurable |
| Filter | 50 Hz, configurable |
| Resolution | 16 bit |
| Measuring error | < ±0.01 % (relative to full scale value) |
| Current consumption power contacts | load only |
| Current consumption K-bus | typ. 85 mA |
| Bit width in the process image | input: 2 x 16 bit data (2 x 8 bit control/status optional) |
| Special features | increased measuring accuracy, self-calibration |
| Weight | approx. 75 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. rating/installation pos. | IP20/variable |
| Pluggable wiring | for all KSxxxx Bus Terminals |
| Approvals/markings | CE, UL, ATEX |
| Ex marking | II 3 G Ex nA IIC T4 Gc |
| Housing data | KL-12-8pin | KS-12-8pin |
|---|---|---|
| Design form | compact terminal housing with signal LEDs | terminal housing with pluggable wiring level |
| Material | polycarbonate | |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm | |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock | |
| Side by side mounting by means of | double slot and key connection | |
| Marking | labeling of the BZxxx series | |
| Wiring | solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver | |
| Connection cross-section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
s*: 0.08…1.5 mm², st*: 0.08…1.5 mm², f*: 0.14…1.5 mm² |
| Connection cross-section AWG | s*: AWG 28…14, st*: AWG 28…14, f*: AWG 26…16 |
s*: AWG 28…16, st*: AWG 28…16, f*: AWG 26…16 |
| Stripping length | 8…9 mm | 9…10 mm |
| Current load power contacts | Imax: 10 A | |
Data Sheet: kl3356
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