2-channel analog input terminal 0…20 mA, differential input, with oversampling EL3742
Run LED2
Run LED1 
Power contact
+24 V
Power contact 0 V
+Input 1
-Input 1
GND
Shield
+Input 2
-Input 2
GND
Shield
Top view 
Contact assembly 

EL3742 | 2-channel analog input terminal 0…20 mA, differential input, with oversampling

Technical data EL3742 | ES3742
Number of inputs 2 (differential)
Power supply via the E-bus
Technology differential input, oversampling
Signal current 0…20 mA
Oversampling factor n = 1…100 selectable
Distributed clocks yes
Distributed clock precision << 1 µs
Internal resistance 85 Ω typ. + diode voltage
Input filter limit frequency 30 kHz
Common-mode voltage UCM 10 V max.
Conversion time min. 10 µs
Input signal bandwidth 0…30 kHz recommended
Resolution 16 bits (incl. sign)
Measuring error < ±0.3 % (relative to full scale value) up to 10 Hz input signal
Surge voltage resistance 35 V max.
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 input: n x 2 x 16 bit data; optionally 2 x 16 bit cycle counter, 4 byte StartNextLatch time
Special features oversampling
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
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
Approvals CE, UL, Ex
Further information  
XFC eXtreme Fast Control Technology