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Beckhoff EL3742
The EL3742 analog input terminal handles signals in the range between 0 and 20 mA. The voltage is digitized to a resolution of 16 bits, and is transmitted, electrically isolated, to the controller. Th…
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Description
The EL3742 analog input terminal handles signals in the range between 0 and 20 mA. The voltage is digitized to a resolution of 16 bits, and is transmitted, electrically isolated, to the controller. The input channels of the EtherCAT Terminal have
Specification
| Number Of Inputs | 2 (differential) |
|---|---|
| Power Supply | via the E-bus |
| Signal Current | 0…20 mA |
| Max. Sampling Rate | max. 10 µs/100 ksps (per channel, simultaneously) |
| Oversampling Factor | n = 1…100 selectable |
| Input Signal Bandwidth | 0…30 kHz recommended |
| Distributed Clocks | yes |
| Distributed Clock Precision | 1 µs |
| Internal Resistance | typ. 85 Ω + diode voltage |
| Input Filter Limit Frequency | 80 kHz |
| Common Mode Voltage Ucm | max. 10 V |
| Conversion Time | min. 10 µs |
| Resolution | 16 bit (incl. sign) |
| Measurement Error/Uncertainty | ±0.3% (relative to full scale value) up to 10 Hz input signal |
| Surge Voltage Resistance | max. 35 V |
| Electrical Isolation | 500 V (E-bus/signal voltage) |
| Current Consumption E Bus | typ. 200 mA |
| Current Consumption Power Contacts | – |
| Bit Width In The Process Image | input: n x 2 x 16 bit data; optionally 2 x 16 bit cycle counter, 4 byte StartNextLatch time |
| Special Features | oversampling |
| 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 |
| 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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