Beckhoff Automation GmbH & Co. KG ELX3351
ELX3351 EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, Ex i
Категории:
Технические характеристики
| Technology | resistor bridge, strain gauge |
|---|---|
| Sensor type | resistor bridge, strain gauge |
| Number of inputs | 1, for 1 resistor bridge in full bridge technology |
| Bridge input resistance | 300 Ωâ¦5 kΩ |
| Measuring range UD | max. ±18â¦Â±22 mV |
| Internal resistance | > 50 kΩ (U R , differential), > 1 MΩ (U D , differential) |
| Input filter cut-off frequency | typ. 3.6 kHz (-3 dB, low pass) |
| Conversion time | typ. 1.6 ms |
| Resolution | 24 bit, 32 bit presentation |
| Filter | 50 Hz, configurable |
| Measurement error/uncertainty | ±0.1% for the calculated load value in relation to the final load value (nominal strain gauge characteristic value of 2 mV/V), self-calibration active, 50 Hz filter active |
| Power supply UV | up to 10 V DC from power contacts, dependent on sensor |
| Напряжение питания | via E-bus |
| Current consumption power contacts | dependent on sensor, min. 20 mA |
| Current consumption E-bus | typ. 85 mA |
| Supported nominal sensitivity | all, parameter resolution: 0.01 µV/V; recommended: 0.5â¦3 mV/V |
| Special features | self-calibration, dynamic filters, Freeze |
| Масса | approx. 60 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/see documentation |
| Approvals/markings | CE, UL, ATEX, IECEx, cFMus, CCC |
| Ex marking | ATEX:   II 3(1)G Ex ec [ia Ga] IIC T4 Gc   II (1)D [Ex ia Da] IIIC   I (M1) [Ex ia Ma] I IECEx:   Ex ec [ia Ga] IIC T4 Gc   [Ex ia Da] IIIC   [Ex ia Ma] I cFMus:   AIS Class I, II, III, Division 1, Groups A thru G   Class I, Division 2, Groups A, B, C, D  Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc   [AEx ia Da] IIIC T4 |
| Description | The analog ELX3351 input terminal enables direct connection of a resistor bridge or load cell from hazardous areas, zone 0/20 and 1/21. The terminal can be connected in 4- or 6-wire technology. The ratio between the bridge voltage UD and the supply |