Product Specification:
Brand : Beckhoff
Product name: Beckhoff 2-channel analog input terminal
Product model: EL3122
Number of inputs: 2 (differential)
Power supply: via the E-bus
Technology: differential input
Signal current: 4 to 20 mA
Internal resistance: 85 Ω type + diode voltage
Input filter limit frequency: 5 kHz
Common-mode voltage UCM: 10 V max.
Conversion time: ~ 50 µs (fast mode ~ 35 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 E-bus type: 170 mA The Beckhoff 2-channel analog input terminal EL3122 processes signals in the range between 4 and 20 mA.