220V Power Supply Modbus RTU Four-Way Relay Module RS485/TTL UART

Description

• Supply voltage: AC220V
• On-board relay switch indicator light
• On-board 4-way 5V, 10A/250V AC 10A/30V DC relay, which can be pulled in 100,000 times continuously,
• Optocoupler input signal range: DC3.3-24V (this input cannot be used for relay control)

Product parameters
1. Onboard mature and stable 8bit MCU and MAX485 level conversion chip;
2. Communication protocol: support standard Modbus RTU protocol;
3. Communication interface: support RS485/TTL UART interface;
4. Communication baud rate: 4800/9600/19200, default 9600bps, support power-down save;
5. Optocoupler input signal range: DC3.3-24V (this input cannot be used for relay control) ;
Output signal: relay switch signal, support manual, flash-off, flash-off mode, flash-off/ 6. The delay base of flash is 0.1S, and the maximum flash closing/flash time can be set to 0xFFFF*0.1S =6553.55;
7. Device address: range 1-255, default 255, support power-down save;
8. On-board 4-way 5V, 10A/250V AC 10A/30V DC relay, which can be pulled in 100,000 times continuously, With diode efflux protection, short response time;
On-board 4-way 5V, 10A/250V AC 10A/30V DC relay, continuous suction
9.100,000 times, with diode effusion protection, short response time
10. On-board relay switch indicator light;
11. Supply voltage: AC220V,;

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