DC 12V 2 Ch RS485 relékártya UART soros port Kapcsoló modul Modbus AT parancs Vezérlés PLC Smart Home automatizált ipar

 
 
Product Name: DC 12V 2 Ch RS485 Relay Board UART Serial port Switch Module Modbus AT command Control for PLC Smart Home automated industry
 
 
 
Package inlcuded:
 1 x DC 12V 2Ch RS485 Modbus AT command  Relay Board

Description: 
1: DC 12V power supply (voltage range 9-13V, 5V version can be customized )
 
2: Standby current (all relays closed) 7-8MA, 1 relay open 40MA, 2 relays open 73MA
 
3: "open" "close"  "Momentary" "Self-locking" "Interlock" "Delay" 6 Commands
 
4: Two instruction-control mode : AT command and MODBUS command
 
5: Under the AT command ,the maximum delay is 9999 seconds
    Under the MODBUS command ,the maximum delay is 255 seconds
 
6 AT commands can be made serial HyperTerminal (serial assistant) Enter;
   MODBUS commands can be made serial HyperTerminal (serial assistant)  OR "Modbus Poll" Enter;
 
7 Under the MODBUS command mode, it can support up to 32 devices in parallel
 
8 Size: 79 * 47.5 * 19.5mm (excluding shell);
 
9 Weight: 40 g (excluding shell); 
 
10 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
 
the new version adds the Read Status command (command 03)
 
Match the shell,  click here .
 
Instruction manual Please ask us after the purchase
Application
Automated industry PLC
Smart Home,Home Automation ,Wiser Home;
Identification system;
Motor FW & BW
 
Typical applications:
1 AT command mode (A5 = OFF), in this mode can be through the serial HyperTerminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds 
2 MODBUS command mode (A5 = ON), 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
Wiring Diagram:
1 DC 12V control circuit,Wiring diagram below. "LOAD" may be camera,LED lights, fans, motors and other DC 12V equipment
2 DC 12V motor reversing control, Wiring diagram below. "LOAD" can be Fans, motors, pumps and other DC 12V equipment
3 DC 1-48V 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
4 DC 1-48V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). "LOAD" may be Machine tool ,CNC,3D Printer,LED lights, fans, motors and other DC AC equipment
Test Software(We offer a demo video):
Serial HyperTerminal:
Modbus Poll