Eletechsup 2 Channel DC 5V 12V 24V RS485 Relay Board, UART Serial Port Switch Module, Modbus at Command Control for PLC, Smart Home, Automated

Eletechsup 2 Channel DC 5V 12V 24V RS485 Relay Board, UART Serial Port Switch Module, Modbus at Command Control for PLC, Smart Home, Automated

DC 5V/12V/24V power supply (Please choose the voltage you need) Standby current (all relays closed) 7-8MA ''open'' ''close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' 6 Commands  Two instruction-control mode : AT command and MODBUS command Under the AT command ,the maximum delay is 9999 seconds 

Product Name:

2 Channel DC 5V 12V 24V RS485 Relay Board, UART Serial Port Switch Module, Modbus AT Command Control for PLC, Smart Home, Automated Industry

Package inlcuded:

1 x DC 5V/12V/24V 2Ch RS485 Modbus AT command Relay Module

Description:

1: DC 5V/12V/24V power supply (

Please choose the voltage you need)

2: Standby current (all relays closed) 7-8MA

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

Light LED power control

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