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RS232 Modbus Relay 8-bit MCU and SP3232 Chip PLC Control DC5V 5.08mm Terminal 32V with Diode lag Current Protection & Opto Isolation (1way Relay)

4.5 (1) Write Review
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$23.99

$ 9 .99 $9.99

In Stock

1.Size:1-way


About this item

  • RS232 Modbus relay module is equipped with mature and stable 8-bit MCU and RS232 level communication chip, using standard MODBUS RTU format RS232 communication protocol.
  • Baud rate, input signal, relay status, device address can be read by software/command.
  • Corresponds to chosen way，Can realize 1/2/3/4 way input signal detection, 1/2/3/4 way relay output.
  • Baud rate: 4800/9600/19200, default 9600bps, support power-down save, can be used for digital detection or power control occasions.
  • With diode lag current protection, optocoupler protection circuit, short response time, on-board 2-way/3-way/4-way 5V, 10A/250VAC 10A/30VDC relay, can be continuously absorbed 100,000 times.



JesBee
Reviewed in the United States on March 12, 2025
This was easily compatible with OAS. I was able to connect, write tags, and switch the relay. Really wish I would have gotten the bigger one now.