On-board mature and stable 8bit MCU and MAX485 level conversion chips;
Communication protocol: supports standard Modbus RTU protocol, communication
interface: supports RS485/TTL UART interface, communication
baud rate: 4800/9600/19200, default 9600bps, supports power failure storage;
Optocoupler input signal range: DC 3.3 -30V (this input cannot be used for relay control);
Power supply voltage: DC7-24V, supports DC seat/ 5.08 mm terminal power supply, with input anti-reverse connection protection;
Output signal: relay switch signal, supports manual, flash-off and flash-off modes, the delay base of flash-off/flash-off is 0.1S, and the maximum flash-off/flash-off time can be set to be 0xFFFF * 0.1S = 6553.5S; Onboard 4 Channel 5V, 10A/250V AC 10A/30V DC relay, which can be continuously closed for 100, 000 times, with diode laxative protection, short response time