Beckhoff Automation GmbH & Co. KG EL3318
EL3318 EtherCAT Terminal, 8-channel analog input, temperature, thermocouple, 16 bit
Категории:
Технические характеристики
| Number of inputs | 8 |
|---|---|
| Power supply | via the E-bus |
| Distributed clocks | â |
| Input filter cut-off frequency | typ. 1 kHz |
| Connection technology | 2-wire |
| Conversion time | approx. 3.5 s up to 30 ms, depending on configuration and filter setting, default: approx. 380 ms |
| Напряжение питания | ±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 |
| Напряжение питания | 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 | â |
| Special features | channel by channel wire break detection, internal and external cold junction, firmware filter adjustable |
| Масса | approx. 70 g |
| Operating temperature | -25â¦+60°C |
| Storage temperature | -40â¦+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 |
| 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 technology. A |