R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home

R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home

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$43.79

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Product Description

Description: 

 
1. DC 12V power supply. 
2. Standby current (all relays closed) 11mA, 1 relay open 39mA, 2 relays open 67mA, 3 relays open 95mA,4 relays open 121mA,5 relays open 147mA,6 relays open 173mA, 7 relays open 198mA,8 relays open 223mA…  
3. "open" "close"  "Momentary" "Self-locking" "Interlock" "Delay" 6 Commands  
4. MODBUS RTU command
5. Under the "Delay" command ,the maximum delay is 255 seconds
6. MODBUS commands can be made serial HyperTerminal (serial assistant)  OR "Modbus Poll" Enter.
7. Under the MODBUS command mode, it can support up to 64 devices in parallel 
8. Size: 168 x 65 x 19mm 
9. Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC.
    
Application:
     
Automated industry PLC
Smart Home,Home Automation ,Wiser Home;  
PTC Camera
Security Monitoring
Identification system;
Motor FW & BW
​LED 
  
Typical Applications:
 
MODBUS RTU command mode (HEX), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus Poll software control (software automatically add the CRC), PLC or MCU process control

 

R421B16_13R421B16_12

 

 

  

Wiring Diagram:

    

1. DC 12V control circuit,Wiring diagram below. "LOAD" may be camera,LED lights, fans, motors and other DC 12V equipment

 
R421B16_10
 
  
  
2. DC 1-110V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). "LOAD" may be LED lights, fans, motors Lights, fluorescent lights, solar water heaters and other DC AC equipmen
 

R421B16_11

 

  
Test Software:
Serial HyperTerminal:
     
Modbus Poll

Package Included:

1 x R421B16 16CH DC 12V RS485 Modbus RTU Relay Board



More Detailed Photos:

R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
R421B16 16CH DC 12V RS485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home

Additional Information

When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:

Airmail and Airmail Registered Area Time
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Italy, Brazil, Russia 10-35 business days
Other countries 7-25 business days
Expedited Shipping 3-8 business days to Worldwide

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