1X 12V Modbus RTU 4-Wege Relaismodul STM8S103 4 Straßeneingang 485 Kommunikation
8,52 €
Modbus RTU instruction. By default, NC COM is turned on. When 485 sends an open command, NC and COM are disconnected, and NO and COM are connected. on the contrary. The status of the switch can only be read by the computer.
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