8 channel
RS485 Communication Interface.
 TTL communication interface.
 8-way optocoupler isolated input.
 8-channel optocoupler isolated output.
 A Reset Button.
 A User Button.
 A User ED Indicator.
 A power indicator.
 A STM8S103K MCU (new version changed to STM8S030K, 103K MCU 030K is ARM).
 8 Relay Status Indicator L ED Lamps.
 DC power supply seat (12V power supply).
 Power terminal interface (12V power supply).
 
 Specification:
 Product size: 143mm*67mm*15mm/5.62*2.63*0.59''
 Packaging weight: 159g
 
 4 channel
 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
2 channel
RS485 communication interface
Package Included:
 
 1 x Modbus rtu 1 2 4 8 channel Relay Module 485 TTL Communication 1 2 4 8 Channel Input Relay Module 12V









 
             
           
           
           
           
           
           
               
               
               
               
              