8ch RS485 to In/Out IO NPN PNP Controller Modbus RTU UART PLC Board Relay Module
ab 3,07 €
7 In MODBUS command mode, it can support up to 247 devices to be used in parallel. RS485 Wiring diagram Automated industry PLC. 5 Input mode: support 3.3V/5V TTL level input, there are two input modes: low level input (default) and high level input.
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