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Beckhoff ELX3351
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 ra…
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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
Specification
| Technology | resistor bridge, strain gauge |
|---|---|
| Sensor Types | resistor bridge, strain gauge |
| Number Of Inputs | 1, for 1 resistor bridge in full bridge technology |
| Bridge Input Resistance | 300 Ω…5 kΩ |
| Measuring Range Ud | max. ±18…±22 mV |
| Internal Resistance | > 50 kΩ (UR, differential), > 1 MΩ (UD, differential) |
| Input Filter Limit 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 |
| Supply Voltage Electronics | via E-bus |
| Current Consumption Power Contacts | depends on sensor, min. 20 mA |
| Current Consumption E Bus | typ. 85 mA |
| Supported Nominal Sensitivity | all, parameter resolution: 0.01 µV/V; recommended: 0.5…3 mV/V |
| Special Features | self-calibration, dynamic filters, Freeze |
| Weight | approx. 60 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/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 |
| Design Form | compact terminal housing with signal LEDs |
| Material | polycarbonate, blue |
| 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 BZxxxx series |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Connection Cross Section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Connection Cross Section Awg | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping Length | 8…9 mm |
| Power Contacts | 2 blade/spring contacts |
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