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Beckhoff EL3318
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 opera…
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Description
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
Specification
| Number Of Inputs | 8 |
|---|---|
| Power Supply | via the E-bus |
| Distributed Clocks | – |
| Input Filter Limit Frequency | typ. 1 kHz |
| Connection Method | 2-wire |
| Conversion Time | approx. 2.5 s up to 20 ms, depending on configuration and filter setting, default: approx. 250 ms |
| Voltage Measurement | ±30/±60/±75 mV |
| Resolution | 16 bit, representation adjustable: 0.1/0.01°C or 1/2/4 µV per digit |
| 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: ±3.0°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 |
| Measurement Uncertainty (Voltage Measurement) | at ±75 mV, 23°C ambient temperature: ±0.096% (relative to full scale value) |
| Electrical Isolation | 500 V (E-bus/signal voltage) |
| Current Consumption E Bus | typ. 210 mA |
| Current Consumption Power Contacts | – |
| Special Features | channel by channel wire break detection, internal and external cold junction, firmware filter adjustable |
| Weight | approx. 70 g |
| Operating Temperature | -25…+60°C |
| Storage Temperature | -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, CCC, UL, ATEX, IECEx, cFMus |
| Ex Marking | ATEX: II 3G Ex ec IIC T4 Gc IECEx: Ex ec 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 |
| 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 BZxxxx series |
| Wiring | solid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): 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*: AWG28…16, st*: AWG22…16, f*: AWG26…19 |
| Stripping Length | 8…9 mm |
| Current Load Power Contacts | Imax: 10 A |
| Dimensions (W X H X D) | 12 mm x 100 mm x 68 mm |
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