4-Kanal Modbus-RTU Relaisschalter Modul Signal Eingang und Ausgang RS485 TTL Controller
8,32 €
LC 4 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 4bit input signal detection and 4bit relay output.
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