Custom Modbus RTU 8ch relay module RS485/TTL UART 8CH input 8CH out Manufacturer
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Custom Modbus RTU 8ch relay module RS485/TTL UART 8CH input 8CH out Manufacturer

$9.30
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Modbus RTU 8ch relay module RS485/TTL UART 8CH input 8CH out SKU :LC-Modbus-8R-D7OverviewLC 8 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 8 channel optocoupler input signal detection and 8 channel relay output, can be used for digital detection or power control occasions.Functions:1.Onboard mature and stable STM8S103K3T6 MCU and MAX485 level communication chip.2.Communication protocol:support standard Modbus RTU protocol3. Communication Interface:support RS485/5V Level TTL UART interface4.Communication baud rate: 4800/9600/19200,default 9600bps, Support power-down save.5.Optocoupler input signal range, DC3.3-30V(this input not available for relay control)6.Output signal:relay switch signal, support manual control,flash OFF/ON mode,The delay base is 0.1S,the maximum allowable flash OFF/ON time is 0xFFFF*0.1S=65535*0.1S=6553.5S7.Device address:range:1

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