DC 12V 8-Channel Digital Input Module RS485 Modbus RTU Switch Acquisition Board
5,56 €
6 In MODBUS command mode, it can support up to 247 devices to be used in parallel. Digital Switch RS485 Acquisition Board LvTTL CMOS IO Device PLC Expansion Relay. Digital to RS485. 4 There are two input modes: low-level input (default) and high-level input.
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