BECKHOFF EL3121 1-Channel Analog Input Terminal

BECKHOFF EL3121 1-Channel Analog Input Terminal

Product Name: BECKHOFF EL3121 1-Channel Analog Input Terminal
Product Brand: BECKHOFF
Product Code: EL3121
Product Artikel: BECKHOFF EL3121 1-Channel Analog Input Terminal
The EL3121 analog input terminal processes signals in the range between 4 and 20 mA. The current is digitised to a resolution of 16 bits and is transmitted, electrically isolated, to the higher-level automation device. The input channels of the EtherCAT Terminal have differential inputs and possess a common, internal ground potential. The EL3121 is the single-channel version and is characterised by its fine granularity and electrical isolation. An open lead or overload condition are detected. The terminal status is relayed to the controller via the E-bus. The EtherCAT Terminal indicates its signal state by means of light emitting diodes. The error LEDs indicate an overload condition and a broken wire. Technical data EL3121  | ES3121 Number of inputs 1 (differential) Power supply via the E-bus Technology differential input Signal current 4…20 mA Distributed clocks yes Internal resistance 85 Ω typ. + diode voltage Input filter limit frequency 5 kHz Common-mode voltage U CM 10 V max. Conversion time ~ 40 µs Resolution 16 bit (incl. sign) Measuring error < ±0.3 % (relative to full scale value) Surge voltage resistance 35 V max. Electrical isolation 500 V (E-bus/signal voltage) Current consumption power contacts – Current consumption E-bus typ. 130 mA Bit width in the process image inputs: 4 byte Special features standard and compact process image, activatable FIR/IIR filters, limit value monitoring Weight approx. 55 g Operating/storage temperature -25…+60 °C/-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. class/installation pos. IP 20/variable Pluggable wiring for all ESxxxx terminals

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