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Modbus RTU 8 Channel Relay Module Industrial Grade RS485 Interface with Multiple Isolation Protection Circuits

$79.99
SKU: EB0047704
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Support setting device address (1~255) to cascade multiple devices via RS485 bus
With flash on and flash off function, you can bring parameters in the command, the operation relay will turn off automatically after a period of time
Onboard integrated power supply isolation can provide stable isolation voltage without additional power supply at the isolation end
Onboard integrated ADI magnetic coupling isolation, signal isolation, high reliability, strong anti-interference, low power consumption
Onboard TVS (transient voltage suppression tube), which can effectively suppress surge voltage and transient spike voltage in the circuit, lightning protection and static electricity protection
Onboard optocoupler isolation to avoid interference from relay high voltage circuits
Onboard anti-reverse connection circuit to avoid reverse connection of the positive and negative electrodes
Adopt high-quality relays, allowing access to load: ≤10A 250V AC or ≤10A 30V DC
Guide rail type ABS plastic shell, easy to install and use, more secure with shell
Three external LED indicators for easy viewing of MCU status and signal sending and receiving status
 
Parameter:
 
Power supply voltage: 5V
Communication interface: RS485
Communication baud rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
Default communication format: 9600, N, 8, 1
Number of relays: 8
Contact type: one normally open and one normally closed
Communication protocol: Standard Modbus RTU protocol
RS485 address setting: 1~255
RS485 interface protection: provide 600W lightning protection, surge and 15KV static protection (reserved 120R balanced resistance pad)
Indicator light:
STA: MCU indicator, flashes when the MCU is working normally
TXD: send indicator light, light on when sending data
RXD: Receive indicator, the light is on when receiving data
 
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Modbus RTU 8 Channel Relay Module Industrial Grade RS485 Interface with Multiple Isolation Protection Circuits
EB0047704
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