
ATEX certified optocoupler supports intrinsically safe circuit applications
Standex-Meder’s optocouplers are able to invert the output signal during transfer, there is a lifetime factor increased by a factor of 10 if the LED is used with less than 50% of the nominal current, and they are resistant against voltage drop.
Standex-Meder’s optocouplers have a number of different uses and applications, which include: control technology, network engineering, automation technology communication systems, measurement and data acquisition systems, control and connection equipment, and heating technology. Additional applications are counting systems, speed indication, rotation measurement, seismic instrumentation, temperature monitoring and measurement, and medical ESD protection.
The optocouplers offer galvanic separation between input and output circuits, analog and digital signal transfer. There are marginal coupling capacities between input and output with only minor output delay times compared to relays. The devices have a long life due to their nonabrasive mechanical wear. The device’s isolation resistance between input and output is up to 10e+13 O, their magnetic fields do not impact operation, a photodiode makes for short cycle times (nanoseconds) with more than 10 MHz possible, and there are input and output differences up to 20 KV.
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