BECKHOFF EL3174 4-Channel Analog Input
Product Name: BECKHOFF EL3174 4-Channel Analog Input
Product Brand: BECKHOFF
Product Code: EL3174
Product Artikel: BECKHOFF EL3174 4-Channel Analog Input
The EL3174 analog input terminal has four individually parameterisable inputs. Signals in the range from -10/0 to +10 V or -20/0/+4 to +20 mA can be processed via each channel. Physically, the voltage and current signals should be connected to different terminal points. Each channel should then be set by the controller/TwinCAT to U or I mode via CoE. The voltage inputs operate differentially; the current inputs are single-ended. All inputs are digitised with a resolution of 16 bits and transmitted, electrically isolated, to the higher-level automation device. With a technical measuring range of ±107 % of the nominal range, the terminal also supports commissioning with sensor values in the limit range and diagnostics according to NAMUR NE43. Technical data EL3174 Number of inputs 4 Power supply via the E-bus Technology U differential, I single-ended Oversampling factor – Distributed clocks yes Distributed clock precision << 1 µs Internal resistance > 200 kΩ | typ. 85 Ω Input filter limit frequency 5 kHz Common-mode voltage U CM max. 35 V (voltage measurement) Dielectric strength max. 30 V (current measurement) Conversion time minimum 150 µs Measuring range, nominal -10/0…+10 V | -20/0/+4…+20 mA Measuring range, technical -10.73…+10.73 V | -21.47…+21.47 mA Resolution 16 bit (incl. sign) Measuring error < ±0.3 % (relative to full scale value) Electrical isolation 500 V (E-bus/signal voltage) Current consumption power contacts – Current consumption E-bus typ. 200 mA Bit width in the process image inputs: 16 byte Configuration no address or configuration setting Special features U/I parameterisable, ExtendedRange, standard and compact process image, activatable FIR/IIR filters Weight approx. 65 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 Approvals/markings CE, UL
