Modbus RTU 4-fach Relaismodul TTL/RS485 Schnittstelle Kommunikation mit Anzeige
14,56 €
1 X Modbus RTU 4 Way Relay Module. Relay communication: 485 communication in multi-unit network. Connection Mode Health & Beauty. IN1 - GND (default is high level, low level after switching on) computer sends instructions to read switch status.
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