4CH 12V Modbus RTU PC UART RS485 Relaisplatine für SPS Lampe LED PTZ Kamera Steuerung
12,87 €
1 xDC 12V 4Ch RS485 Modbus AT command Relay Board. Modbus Poll. Under the MODBUS command ,the maximum delay is 255 seconds. 7 Under the MODBUS command mode, it can support up to 32 devices in parallel.
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