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Beckhoff EL3351
The EL3351 analog input terminal permits direct connection of a resistor bridge. The bridge voltage, UD, and the supply voltage, UREF, to the bridge are digitized with a 16-bit resolution, and are tra…
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Description
The EL3351 analog input terminal permits direct connection of a resistor bridge. The bridge voltage, UD, and the supply voltage, UREF, to the bridge are digitized with a 16-bit resolution, and are transmitted along an electrically isolated channel to the
Specification
| Number Of Inputs | 2, for 1 resistor bridge in full bridge technology |
|---|---|
| Power Supply | via the E-bus |
| Distributed Clocks | – |
| Measuring Range Ud | max. -20…+20 mV |
| Measuring Range Uref | max. -12…+12 V |
| Internal Resistance | > 200 kΩ (UREF), > 1 MΩ (UD) |
| Supported Nominal Sensitivity | calculated in PLC, freely selectable |
| Input Filter Limit Frequency | 50 Hz default setting, parameterizable |
| Conversion Time | 2.5…800 ms, configurable, max. 400 samples/s |
| Power Supply Uv | 5 V, max. 20 mA |
| Resolution | 16 bit, 32 bit presentation |
| Filter | 50 Hz, configurable |
| Measurement Error/Uncertainty | ±0.1% (relative to full scale value, 50 Hz filter) |
| Current Consumption E Bus | typ. 170 mA |
| Current Consumption Power Contacts | – |
| Special Features | integrated 5 V DC bridge supply |
| Weight | approx. 60 g |
| Operating Temperature | -25…+55°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 |
| Pluggable Wiring | for all ESxxxx terminals |
| Protect. Rating/Installation Pos. | IP20/variable |
| Approvals/Markings | CE, CCC, UL, ATEX, IECEx |
| Ex Marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
| Design Form | compact terminal 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 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 |
| 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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