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Beckhoff
EL3318
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Beckhoff EL3318
EL3318 | HD EtherCAT Terminal, 8-channel thermocouple input with open-circuit recognition
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Descripción
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 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 EL3318 can also be used for mV measurement.
Parámetros técnicos
| Number of inputs: | 8 |
| 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; dependent on sensor length, conversion time, sensor type |
| Connection method: | 2-wire |
| Wiring fail indication: | yes |
| Conversion time: | approx. 5 s up to 40 ms, depending on configuration and filter setting, default: approx. 500 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. 210 mA |
| Bit width in the process image: | 8 x 32 bit TC input, 8 x 16 bit TC output |
| Configuration: | no address setting, configuration via the controller |
| Conductor types: | solid wire, stranded wire and ferrule |
| Conductor connection: | solid wire conductors: direct plug-in technique; stranded wire conductors and ferrules: spring actuation by screwdriver |
| Rated cross-section: | solid wire: 0.08…1.5 mm²; stranded wire: 0.25…1.5 mm²; ferrule: 0.14…0.75 mm² |
| Special features: | open-circuit recognition |
| 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. class/installation pos.: | IP 20/variable |
| Approvals: | CE, UL, Ex |
Parámetros logísticos
| ECCN: | |
| País de origen: | |
| EAN: | |
| Peso: | 0,00 kg |
| Longitud: | 0,00 m |
| Anchura: | 0,00 m |
| Altura: | 0,00 m |