Modbus-RTU 4-fach 12V Relaismodulschalter 4-fach Relaisausgang RS485 Kommunikation
9,19 €
1 X Modbus RTU 4 Way Relay Module. IN1 - GND (default is high level, low level after switching on) computer sends instructions to read switch status. IN2 - GND (default is high level, low level after switching on) computer sends instructions to read switch status.
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