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Beckhoff EL3751
The EL3751 analog input terminal is part of the new generation of analog EtherCAT measurement terminals. The nominal measuring range of the input channel can be comprehensively parameterized, both ele…
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Description
The EL3751 analog input terminal is part of the new generation of analog EtherCAT measurement terminals. The nominal measuring range of the input channel can be comprehensively parameterized, both electrically and on the software side: – voltage
Specification
| Number Of Inputs | 1 |
|---|---|
| Power Supply | via the E-bus |
| Oversampling Factor | n = 1…64 |
| Distributed Clocks | yes |
| Distributed Clock Precision | 1 µs |
| Internal Resistance | > 500 kΩ (30 V); > 4 MΩ (others); 150 Ω (current) |
| Input Filter Limit Frequency | 3 kHz |
| Dielectric Strength | max. 36 V |
| Conversion Time | 100 µs/10 ksps |
| Measuring Range, Nominal | ±30/10/5/2.5/1.25 V, ±640/320/160/80/40/20/10/5 mV, 0…5/10 V, ±20 mA, 0/4…20 mA, NAMUR NE43, 0…5 kΩ, RTD, Pt100/Pt1000, Ni, KTY, ¼ bridge (350 Ω + 120 Ω), ½ bridge (±16 mV/V), full bridge (±32 mV/V), potentiometer ≥ 1 kΩ |
| Measuring Range, Technical | generally 107% of the nominal measuring range, see documentation |
| Resolution | 24 bit (incl. sign) |
| Measurement Error/Uncertainty | typ. ±0.01% relative to the respective full scale value @ 23°C in some measuring ranges, see documentation |
| Temperature Coefficient | typ. 15 ppm/K in some measuring ranges, see documentation |
| Electrical Isolation | 500 V (E-bus/signal voltage) |
| Current Consumption E Bus | typ. 260 mA |
| Current Consumption Power Contacts | – |
| Configuration | no address or configuration setting |
| Special Features | integr. power supply for strain gauge 0.5…5 V, parameterizable, ExtendedRange 107%, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold |
| Weight | approx. 65 g |
| Operating Temperature | 0…55°C |
| Storage Temperature | -25…+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 |
| 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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