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Product Details
RTU 4 Way Relay Module DIY STM8S103 System 4 Road Input 485 Communication
Product Description
Feature :
4 channel relay output (a normally open, normally closed)
STM8S103F3 microcontroller
4 way optical coupling isolation
4 relay closed the LED light
Circular DC interface, and DC terminal interface.Convenient power connection (5 v or 12 v power supply voltage according to the voltage relay decision)
4 road input interface
All the RS485 communication interface.
A power indicator light
A user LED lights
Reset button
high quality
ABOUT US
Shenzhen Ruize Technology Co., Ltd., is a well-known electronic component company.
Over these years, adhering to the "honesty, quality first" principle, with excellent product quality, enthusiastic service, and wide range of products, we gained a high degree of trust from our customers.
No matter you are domestic or foreign businessmen, we are always ready to make you satisfied.
We sincerely welcome your business negotiations, share mutual benefit and common development.
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