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Beckhoff KL3311
The KL3311 analog input terminal allows thermocouples to be connected directly. The Bus Terminal’s circuitry can operate thermocouple sensors using the 2-wire technique. Linearization over the full te…
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Description
The KL3311 analog input terminal allows thermocouples to be connected directly. The Bus Terminal’s circuitry can operate thermocouple sensors using the 2-wire technique. Linearization over the full temperature range is realized with the aid of a
Specification
| Number Of Inputs | 1 |
|---|---|
| Power Supply | via the K-bus |
| Technology | 2-wire |
| Thermocouple Sensor Types | types J, K, L, B, E, N, R, S, T, U (default setting type K), mV measurement |
| Measuring Range | in the range defined in each case for the sensor (default setting: type K; -100…+1370°C); mV measurement: ±30 mV…±120 mV |
| Connection Method | 2-wire |
| Conversion Time | ~ 200 ms |
| Wiring Fail Indication | yes |
| Resolution | 0.1°C per digit |
| Measurement Error/Uncertainty | ±0.5% (relative to full scale value) |
| Electrical Isolation | 500 V (K-bus/signal voltage) |
| Current Consumption Power Contacts | – (no power contacts) |
| Current Consumption K Bus | typ. 65 mA |
| Bit Width In The Process Image | input: 1 x 16 bit data (1 x 8 bit control/status optional) |
| Configuration | no address setting, configuration via Bus Coupler or controller |
| Special Features | electrically isolated |
| Weight | approx. 70 g |
| Operating Temperature | 0…55°C |
| Storage Temperature | -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 |
| Approvals/Markings | CE, CCC, UL, ATEX, IECEx |
| Ex Marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
| Design Form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| 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 BZxxxx series |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): 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 |
| Connection Cross Section Awg | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping Length | 8…9 mm |
| Current Load Power Contacts | Imax: 10 A |
| Dimensions (W X H X D) | 12Â mm x 100Â mm x 68 mm |
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