
The EL3314-0030 analog input terminal allows four thermocouples to be connected directly. The circuit can operate thermocouple sensors using the 2-wire technique. A microprocessor handles linearization across the whole temperature range, which is freely selectable. The error LEDs indicate a broken wire. Compensation for the cold junction is made through internal high-precision temperature measurement at the terminal. The EL3314-0030 can also be used for mV measurements.
For the EL3314-0030, an individual calibration certificate is available, currently as a choice of DAkkS or IS0 17025-compliant certificate. The certificate is issued by an accredited service provider in collaboration with Beckhoff.
The desired calibration certificate can be downloaded from here using the respective serial number.
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Technical data | EL3314-0030 |
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Number of inputs | 4 |
Technology | Temperature measurement (TC) |
Connection method | 2-wire |
Signal type | differential |
Temperature measurement (thermocouple) | type B, C, E, J, K, L, N, R, S, T, U (default setting: type K) |
Measurement uncertainty (temperature measurement) | at 23 °C ambient temperature, with internal cold junction, according type: B: ±2.6 °C; C: ±2.2 °C; E: ±1.6 °C; J: ±1.6 °C; K: ±1.6 °C; L: ±1.5 °C; N: ±1.6 °C; R: ±2.2 °C; S: ±2.3 °C; T: ±1.6 °C; U: ±1.5 °C; for further details see documentation |
Voltage measurement | ±78 mV |
Measurement uncertainty (voltage measurement) | at ±78 mV, 23 °C ambient temperature: < ±0.06 % (relative to full scale value) |
Resolution | 24 bit, presentation adjustable: 0.1/0.01/0.001 °C per digit or 10 nV per digit |
Input filter limit frequency | typ. 1 kHz |
Conversion time | approx. 1.6 s up to 5 ms, depending on configuration and filter setting, default: approx. 110 ms |
Distributed clocks | – |
Power supply | via the E-bus |
Current consumption E-bus | typ. 200 mA |
Current consumption power contacts | – |
Electrical isolation | 500 V (E-bus/signal voltage) |
Special features | channel by channel wire break detection, internal and external cold junction, firmware filter adjustable |
Weight | approx. 60 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 (see documentation) |
Calibration certificate (analog) | externally calibrated |
Approvals/markings | CE, UL, ATEX |
Ex marking | II 3 G Ex nA IIC T4 Gc |
Housing data | EL-12-8pin |
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Design form | compact terminal housing with signal LEDs |
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 |
Connection cross-section AWG | s*: AWG 28…14, st*: AWG 28…14, f*: AWG 26…16 |
Stripping length | 8…9 mm |
Current load power contacts | Imax: 10 A |
*s: solid wire; st: stranded wire; f: with ferrule
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