2-channel analog output terminal 0…20 mA with oversampling EL4712
Run LED 2
Run LED 1 
Power contact
+24 V
Power contact 0 V
+Output 1
0 V
+Output 2
+24 V
0 V
Top view 
Contact assembly 
XFC – eXtreme Fast Control
extended shock and vibration range

EL4712 | 2-channel analog output terminal 0…20 mA with oversampling

The EL4712 analog output terminal generates output signals in the range between 0 and 20 mA. The voltage is supplied to the process level with a resolution of 16 bits and is electrically isolated. The output channels have a common ground potential. The outputs are sampled with an adjustable, integer multiple (oversampling factor: n) of the bus cycle time (n microcycles per bus cycle). For each microcycle, the EtherCAT Terminal receives a process data block that is output consecutively. The time base of the terminal can be synchronised precisely with other EtherCAT devices via distributed clocks. This procedure enables the temporal resolution of the analog output signals to be increased to n times the bus cycle time. In conjunction with the EL37xx (analog input terminal with oversampling), responses with equidistant time intervals, e.g. in the event of a threshold value being exceeded, become possible. The EL4712 device can output a maximum of 100,000 values (100 ksamples/s) per channel and second.

Technical data EL4712 | ES4712
Connection technology 3-wire, single-ended
Number of outputs 2
Power supply 24 V DC via power contacts
Signal current 0…20 mA
Oversampling factor n = integer multiple of the cycle time, 1…100 selectable
Distributed clocks yes
Distributed clock precision << 1 µs
Load < 500 Ω (short-circuit proof)
Output error < 0.1 % (relative to end value)
Resolution 16 bit (incl. sign)
Electrical isolation 500 V (E-bus/signal voltage)
Conversion time ~ 10 µs
Output rate max. 100 ksamples/s
Current consumption power contacts typ. 20 mA + load
Current consumption E-bus typ. 100 mA
Bit width in the process image output: n x 2 x 16 bit data, max. 8 byte additional information
Special features oversampling
Weight approx. 65 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