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EL5072 | EtherCAT Terminal, 2-channel displacement sensor interface, inductive, LVDT, RVDT, half bridge

EL5072 | EtherCAT Terminal, 2-channel displacement sensor interface, inductive, LVDT, RVDT, half bridge

EL5072 | EtherCAT Terminal, 2-channel displacement sensor interface, inductive, LVDT, RVDT, half bridge

Run LED
UP LED
Digital Input Ch1 LED
Excitation Error Ch1 LED
Amplitude Error Ch1 LED
Excitation Error Ch2 LED
Amplitude Error Ch2 LED
Digital Input Ch2 LED
DI+ Ch1
Usens+ Ch1
Usig+ Ch1
Uexc+ Ch1
Uexc+ Ch2
Usig+ Ch2
Usens+ Ch2
DI+ Ch2
DI- Ch1
Usens– Ch1
Usig– Ch1
Uexc– Ch1
Uexc– Ch2
Usig– Ch2
Usens– Ch2
DI- Ch2
Top view 
Contact assembly 
EL5072 | EtherCAT Terminal, 2-channel displacement sensor interface, inductive, LVDT, RVDT, half bridge

Connection of inductive LVDT probes

EL5072 | EtherCAT Terminal, 2-channel displacement sensor interface, inductive, LVDT, RVDT, half bridge

EL5072 | EtherCAT Terminal, 2-channel displacement sensor interface, inductive, LVDT, RVDT, half bridge

EL5072 | EtherCAT Terminal, 2-channel displacement sensor interface, inductive, LVDT, RVDT, half bridge

Connection of inductive LVDT probes

Evaluation of LVDTs and inductive half-bridges in the Beckhoff system

Evaluation of LVDTs and inductive half-bridges in the Beckhoff system

The EL5072 EtherCAT Terminal is used for the direct connection of up to two inductive displacement sensors, which include measuring probes in LVDT and half bridge versions or inductive angle position sensors in RVDT version. The integrated excitation source provides a further area with various excitation frequencies and voltages. By internal switching and switchable input impedances, commercially available inductive sensors such as LVDT in 4-, 5-, 6-wire technology to half-bridge in 3- and 5-wire technology can be connected and evaluated.

 

Special features:

  • evaluation of inductive measuring probes in LVDT, RVDT and half-bridge versions
  • integrated excitation source with parameterizable frequencies and voltages
  • switchable input impedances
  • output of the measured value as a position value
  • digital input for setting and saving the position value

 

All sensor parameters such as excitation frequency, excitation voltage, measuring range and sensitivity are set directly in the terminal. The measuring signal range is automatically adjusted; the measured value is directly output as a 32-bit position value. Inversion of the measuring signal and a reference position can be parameterized via the process data. Furthermore, short circuit and overload of the excitation source as well as amplitude errors of the measuring signal are diagnosed per channel and displayed by signal LEDs. One digital input is available per channel for setting and saving the current position value; a timestamp can be generated for the stored value.

Precision measuring tasks in the area of position and distance measurement with inductive measuring probes can be successfully solved in this way with the EL5072.

Product status:

regular delivery

Product information

Technical dataEL5072
Technologyinductive sensor interface
Input connectionsLVDT (ratiometric & differential), inductive half bridge, RVDT
Number of channels2
Distributed clocksyes, save timestamp for position value via digital input
Excitation voltage Uexc0.5 Vrms to 7 Vrms (1.5 VPP to 20 VPP), joint source for both channels
Total excitation currentmax. 50 mArms (140 mAPP)
Excitation frequency (sinus)1 kHz up to 20 kHz, adjustable
Current consumption power contactstyp. 40 mA + load
Resolution24 bit, 32 bit presentation
Measuring signal range USIGmax. 7 Vrms (automatic adjustment)
Conversion time100 µs/10 ksps at max. 13 kHz
Electrical isolation500 V (E-bus/field potential)
Current consumption E-bustyp. 200 mA
Special featuresshort circuit, overload and amplitude error detection per channel, digital input for setting and storing position value
Weightapprox. 60 g
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE
Housing dataEL-12-16pin
Design formHD (High Density) housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Connection cross-section AWGs*: AWG28…16,
st*: AWG22…16,
f*: AWG26…19
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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