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EL3632 | 2-channel analog input terminal for Condition Monitoring (IEPE)

Accelerometers with IEPE interface can be directly connected to the EL3632 EtherCAT Terminal. The measuring signals are analysed on the PC via the TwinCAT library. This enables all benefits of the PC platform, such as performance and flexibility, to be fully utilised. Alternatively, custom software can be used for the analysis. The terminal can be adapted to individual requirements through configurable filters and supply currents.

A galvanically isolated measurement configuration can be achieved using the EL9560. Through interfacing via EtherCAT and support of the distributed clocks function, the measurement results – and any detected defects – can be precisely allocated to an axis position.

Technical data EL3632
Number of inputs 2
Technology Condition Monitoring (IEPE), oversampling recording
Signal voltage IEPE constant current supply and recording of modulated AC voltage
Distributed clocks yes
Input filter limit frequency analog parameterisable 5th order low-pass filter up to 25 kHz, typically 0.05 Hz high-pass filter
Conversion time 20 μs (max. 50 ksamples/s)
Measuring range default ±5 V up to 25 kHz, ±250 mV up to 10 Hz
Power supply Uv 24 V DC via power contacts
Sensor voltage max. power contact voltage less 1 V
Sensor state monitoring yes, through monitoring of the bias voltage
Supply current Iexcite typ. 2/4/8 mA (separately configurable for both channels)
Input single-ended
Resolution 16 bits (incl. sign)
Measuring error ≤ ±0.5 % (DC; relative to full scale value)
Current consumption power contacts 24 V, typ. 20 mA + load
Current consumption E-bus typ. 215 mA
Special features automatic anti-aliasing function, wire breakage detection
Weight approx. 60 g
Operating/storage temperature 0…+55 °C/-25…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27/29
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 20/see documentation
Approvals CE, UL, Ex