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EL3312-0000 - BECKHOFF

EL3312 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit
The EL3312 analog input terminal allows thermocouples to be connected directly. The EtherCAT Terminal’s circuit can operate thermocouple sensors using the 2-wire technique. Linearization over the full temperature range is realized with the aid of a microprocessor. The temperature range can be selected freely. The error LEDs indicate a broken wire. Compensation for the cold junction is made through an internal temperature measurement at the terminal. The EL3312 can also be used for mV measurement
Number of inputs 2
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: ±8.5 °C; C: ±6.2 °C; E: ±2.5 °C; J: ±2.7 °C; K: ±3 °C; L: ±2.3 °C; N: ±3 °C; R: ±6.7 °C; S: ±7.1 °C; T: ±2.9 °C; U: ±2.5 °C; for further details see documentation
Voltage measurement ±30/±60/±75 mV
Measurement uncertainty (voltage measurement) at ±75 mV, 23 °C ambient temperature: < ±0.14 % (relative to full scale value) Resolution 16 bit, representation adjustable: 0.1/0.01 °C or 1/2/4 µV per digit Input filter limit frequency typ. 1 kHz Conversion time approx. 1.2 s up to 20 ms, depending on configuration and filter setting, default: approx. 125 ms Distributed clocks – Power supply via the E-bus Current consumption E-bus 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 -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. rating/installation pos. IP20/variable Approvals/markings CE, UL, ATEX Ex marking II 3 G Ex nA IIC T4 Gc 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

From: 375,00  IVA esc.

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