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EL3318 - BECKHOFF

EL3318 | EtherCAT Terminal, 8-channel analog input, temperature, thermocouple, 16 bit
The EL3318 analog input terminal allows eight thermocouples to be connected directly and is thus particularly suitable for space-saving use in control cabinets. The EtherCAT Terminal 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 an internal temperature measurement at the terminal. The EL3318 can also be used for mV measurement.
The HD EtherCAT Terminals (High Density) with increased packing density feature 16 connection points in the housing of a 12 mm terminal block.
Number of inputs 8
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: ±6.3 °C; C: ±4.9 °C; E: ±3.1 °C; J: ±3.2 °C; K: ±3.4 °C; L: ±3.1 °C; N: ±3.4 °C; R: ±5.2 °C; S: ±5.4 °C; T: ±3.3 °C; U: ±3.2 °C; for further details see documentation
Voltage measurement ±30/±60/±75 mV
Measurement uncertainty (voltage measurement) at ±75 mV, 23 °C ambient temperature: < ±0.096 % (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. 2.5 s up to 20 ms, depending on configuration and filter setting, default: approx. 250 ms Power supply via the E-bus Current consumption E-bus typ. 210 mA 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. 70 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, IECEx, cFMus Ex marking ATEX: II 3 G Ex nA IIC T4 Gc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc Design form HD (High Density) 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 conductors (e): direct plug-in technique; fine-stranded conductors (f) and ferrule (a): spring actuation by screwdriver Connection cross-section s*: 0.08…1.5 mm², st*: 0.25…1.5 mm², f*: 0.14…0.75 mm² Connection cross-section AWG s*: AWG 28…16, st*: AWG 22…16, f*: AWG 26…19 Stripping length 8…9 mm Current load power contacts Imax: 10 A

From: 612,00  IVA esc.

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