Features:
4 channel relay output (a normally open, normally closed). 4 channel optical coupling isolation. 4 relay closed the LED light. Circular DC interface, and DC terminal interface. Convenient power connection (12 v power supply voltage). 4 channel input interface. A power indicator light. A user LED light.
Specifications:
LED light: Yes
Power supply voltage: 12V
Channel: 4
Baud rate: 9600
Microcontroller: STM8S103F3
Communication interface: RS485
Reset button: Yes
Size: Approx. 7.8 x 7.7 x 1.8cm / 3 x 3 x 0.7inch
Quantity: 1pc
Weight: 85g
Serial assistant operation instructions:
Below are the test instructions for device number 1:
No. 1 relay close:
01 06 00 01 01 00 d9 9a
No. 1 relay open:
01 06 00 01 01 01 18 5a
No. 2 relay close:
01 06 00 01 02 00 d9 6a
No. 1 relay open:
01 06 00 01 02 01 18 aa
No. 3 relay close:
01 06 00 01 03 00 d8 fa
No. 1 relay open:
01 06 00 01 03 01 19 3a
No. 4 relay close:
01 06 00 01 04 00 da ca
No. 1 relay open:
01 06 00 01 04 01 1b 0a
All put out:
01 06 00 01 00 00 d8 0a
All light:
01 06 00 01 ff ff d9 ba
Reference:
Data download address: http://pan.baidu.com/s/1mgzKs3I(The data is in Chinese)
Package Included:
1 x 4 Channel Relay Module
Note:
Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.
DC 12V RS485 4 Channel Relay Module with Optocoupler Protection STM8S103F3 Relay Board Microcontroller Communication
Was:
$74.94
Now:
$37.47
- SKU:
- V460961
- UPC:
- 763741103743
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.