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Beckhoff EL1054
The EL1054 digital input terminal acquires signals from NAMUR field devices according to EN 60947-5-6. The sensors are supplied with a voltage of 8.2 V and return a diagnosable current signal. In this…
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Description
The EL1054 digital input terminal acquires signals from NAMUR field devices according to EN 60947-5-6. The sensors are supplied with a voltage of 8.2 V and return a diagnosable current signal. In this way, a wire breakage or short-circuit can be detected
Specification
| Technology | NAMUR |
|---|---|
| Connection Technology | 2-wire |
| Specification | NAMUR DC switching amplifier (IEC 60947-5-6) |
| Signal Type | binary, current input for NAMUR sensors |
| Number Of Inputs | 4 |
| Open Circuit Voltage | typ. 8.2 V DC |
| “0” Signal Current | ≤ 1.2 mA |
| “1” Signal Current | ≥ 2.1 mA |
| Switching Hysteresis | typ. 350 µA |
| Short Circuit Current | typ. 7.8 mA |
| Fault Detection | I ≤ 200 µA (cable break), I ≥ 7.0 mA (short circuit) |
| Max. Switching Frequency | 5 kHz (duty factor 50 %) |
| Internal Resistance | according to I/V curve IEC 60947-5-6 |
| Distributed Clocks | – |
| Supply Voltage Electronics | 24 V DC (via power contacts) |
| Current Consumption E Bus | typ. 50 mA |
| Electrical Isolation | 500 V (E-bus/field potential) |
| Special Features | integrated reverse polarity protection |
| 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/variable |
| Pluggable Wiring | for all ESxxxx terminals |
| Approvals/Markings | CE, CCC, UL, ATEX, IECEx, cFMus |
| Ex Marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx 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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