DC12V 4-Wege Optokoppler Trennrelais Modul Ausgang 4 Straßenschalter Eingangsplatine
9,80 €
IN1 - GND (default is high level, low level after switching on) computer sends instructions to read switch status. Relay communication: 485 communication in multi-unit network. IN2 - GND (default is high level, low level after switching on) computer sends instructions to read switch status.
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