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Beckhoff EL3314

Render Technology Solutions deal with all kinds of Beckhoff Products


Render Technology Solutions deal with all kinds of Beckhoff Products

Beckhoff EL3314 | 4-channel thermocouple input terminal with open-circuit recognition

The EL3314 analog input terminal allows four thermocouples to be connected directly. The EtherCAT Terminal circuit can operate thermocouple sensors using the 2-wire technique. A microprocessor handles linearisation across the whole temperature range, which is freely selectable. The error LEDs indicate a broken wire. Compensation for the cold junction is made through an internal temperature measurement at the terminal. The EL3314 can also be used for mV measurement.


Beckhoff EL3314

Beckhoff EL3314 | 4-channel thermocouple input terminal with open-circuit recognition


Technical data EL3314
Number of inputs 4
Power supply via the E-bus
Thermocouple sensor types types K, J, L, E, T, N, U, B, R, S, C (default setting type K), mV measurement
Distributed clocks
Input filter limit frequency typ. 1 kHz; depending on sensor length, conversion time, sensor type
Connection method 2-wire
Wiring fail indication yes
Conversion time approx. 2.5 s up to 20 ms, depending on configuration and filter setting, default: approx. 250 ms
Temperature range in the range defined in each case for the sensor (default setting: type K; -200…+1370 °C); voltage measurement: ±30 mV…±75 mV
Resolution 0.1 °C per digit
Measuring error < ±0.3 % (relative to full scale value)
Electrical isolation 500 V (E-bus/signal voltage)
Current consumption power contacts
Current consumption E-bus typ. 200 mA
Bit width in the process image 4 x 32 bit TC input, 4 x 16 bit TC output
Configuration no address setting, configuration via the controller
Special features open-circuit recognition
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/variable
Approvals CE, UL, Ex, IECEx