DC 7-24V Dual Channel Relay Module Switch Input And Output RS485/TTL

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Description:
Dual ModbSU relay module is equipped with mature and stable 8-bit MCU and
RS485 level communication chip. RS485 communication using standard MODBUS RTU format
Communication protocol, can realize 2 input signal detection, 2 relay output, can be used for digital
In the case of volume detection or power control.
Product parameter
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-off save
6. Optocoupler input signal range: DC3.3-30V (this input cannot be used for relay control)
7. Output signal: relay switch signal, support manual, flash off, flash off mode, flash off/flash
The base of the delay time is 0.1S, and the maximum flash-off/flash-off time can be set as
0xFFFF*0.1S-65535*0.1S=6553.5S
8. Device address: range 1-255, default 255, support power-off save
9. Onboard 1 way 5V, 10A/250V AC 10A/30V DC relay, can suck continuously
100,000 times, with diode effusion protection, short response time
10. On-board relay switch indicator
11.Supply voltage: DC7-24V, with input anti-reverse connection protection
Package Include:
1x DC 7-24V Dual Channel Relay Module Switch Input And Output RS485/TTL
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Shipping Policy
Returns & Refund Policy
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2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
Returns & Refund Policy
All package need to
wait 30 days
(US only n
eed 7-10 days)
,
Please take care it.Less than 30 days,we can't take a refund
.
If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
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