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Beckhoff ELX3181
The ELX318x analog input terminal allows the direct connection of intrinsically safe HART-capable field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transduce…
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Description
The ELX318x analog input terminal allows the direct connection of intrinsically safe HART-capable field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transducers located in the field and transmits their analog
Specification
| Technology | current input |
|---|---|
| Signal Current | 4…20 mA |
| Number Of Inputs | 1 (single-ended) |
| Connection Method | 2-wire |
| Resolution | 16 bit (incl. sign) |
| Measurement Error/Uncertainty | ±0.3% (relative to full scale value) |
| Internal Resistance | typ. 250 Ω |
| Input Filter Limit Frequency | 25 Hz |
| Conversion Time | typ. 1 ms |
| Supply Voltage Electronics | 24 V DC (via power contacts), ELX9560 power supply |
| Current Consumption Power Contacts | typ. 15 mA + load |
| Current Consumption E Bus | typ. 85 mA |
| Distributed Clocks | yes |
| Special Features | standard and compact process image, activatable FIR/IIR filters, limit value monitoring, NE43 NAMUR |
| 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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