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Beckhoff
ELX3312-0090
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Beckhoff ELX3312-0090
ELX3312-0090 | 2-channel analog input terminal thermocouple/mV measurement, 2-wire connection, 16 bit, Ex i, TwinSAFE SC
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Description
The ELX3312 analog input terminals allows the direct connection of thermocouples located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3312 can operate sensors with 2-wire technology. Linearisation is possible over the entire freely selectable temperature range. The error LEDs indicate a broken wire. Compensation for the cold junction is achieved through internal temperature measurement. Millivolt measurement is also possible with ELX3312.
Technical parameters
| Technology: | temperature measurement |
| Sensor types: | thermocouples type K, J, L, E, T, N, U, B, R, S, C (default: type K) |
| Number of inputs: | 2 (differential) |
| Connection method: | 2-wire |
| Measuring range: | depending on sensor type, default type K: -200…+1350 °C, voltage measurement: ±30…±100 mV, for further types and details see documentation |
| Resolution: | 0.1 °C per digit |
| Measuring error: | < ±0.3 % (relative to full scale value) |
| Internal resistance: | typ. ≥ 10 kΩ (differential) |
| Input filter limit frequency: | typ. 1 kHz; depending on sensor length, conversion time, sensor type |
| Conversion time: | 10…5000 ms (adjustable, default: 270 ms) |
| Supply voltage electronics: | 24 V DC (via power contacts), ELX9560 power supply |
| Current consumption power contacts: | typ. 10 mA |
| Current consumption E-bus: | typ. 70 mA |
| Special features: | limit value monitoring, digital filter and characteristic curve linearisation integrated, TwinSAFE SC |
| Weight: | approx. 60 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. class/installation pos.: | IP 20/see documentation |
| Approvals/markings: | CE, UL, ATEX, IECEx, cFMus |
| Ex-Marking: | ATEX: II 3(1)G Ex ec [ia Ga] IIC T4 Gc II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I IECEx: Ex ec [ia Ga] IIC T4 Gc [Ex ia Da] IIIC [Ex ia Ma] I cFMus: AIS Class I, II, III, Division 1, Groups A thru G Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx nA [ia Ga] IIC T4 Gc Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc [AEx ia Da] IIIC T4 |
Logistic parameters
| ECCN: | |
| Country of Origin: | |
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| Weight: | 0.00 kg |
| Length: | 0.00 m |
| Width: | 0.00 m |
| Height: | 0.00 m |