Detailed Information About The Product:
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: DC3.3-30V (this input cannot be used for relay control)
6. Output signal: relay switch signal, support manual, flash, flash mode, flash/flash delay base is 0.1S, the longest flash/flash time can be set to 0xFFFF*0.1S=6553.5S
7. Device address: range 1-255, default 255, support power-down save
8. Baud rate, input signal, relay status, device address can be read by software/command
9. Onboard 4 5V, 10A/250V AC 10A/30V DC relays, which can be activated 100,000 times continuously, with diode overflow protection and short response time
10. On-board relay switch indicator light
11. Power supply voltage: DC7-24V, support DC socket/5.08mm terminal power supply, with input anti-reverse connection protection
Type: Relay Module Switch
Rated voltage: 4 Channels
color:Blue
Material:PCB
Package Contents:
1 x Relay Module
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
About Us
We provide the good product with the best price,we support Wholesale/Drop Shipping Order
1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.
2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.
About Shipments
1.We will send out the orders ASAP once your payment is completed normally.
2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.
About After-sale Service
We are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.
About Feedback
1. Please check the package and item when you get carefully to make sure there is no problem.
2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.
3. If there is no problem, please leave us five star positive feedback.
Your affirmation is our greatest motivation ! !