Menu
Your Cart

4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V

4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V
$12.99
Ex Tax: $12.99
  • Stock: In Stock
  • Model: EB0045309
  • SKU: EB0045309
 
1. DC 12V power supply (voltage range 9-13V ) 
2. Standby current (all relays closed) 11-13MA, 1 relay open 44MA, 2 relays open 77MA, 3 relays open 110MA,4 relays open 140MA 
3. "open" "close"  "Momentary" "Self-locking" "Interlock" "Delay" "Read" 7 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: 80 x47 x 19.5 mm  
9. Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
  
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 
 
4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584
 

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

4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-16505844-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584

 

Wiring Diagram:

1. DC 12V control circuit,Wiring diagram below. "LOAD" may be camera,LED lights, fans, motors and other DC 12V equipment
 
4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584
 
 
 
2. DC 1-100V 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-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584
 

3. DC 1-100V 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 equipment4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584

 

 
 
Test Software:
 
Serial HyperTerminal:
 
4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584

Modbus Poll
 
4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584

Package Included:

1 x 4 Channel DC 12V RS485 Relay Module



4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584
4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584
4-Channel-RS485-Relay-Module-Modbus-RTU-AT-Command-Remote-Control-Switch-for-PLC-PTZ-Smart-Home-Secu-1650584

Write a review

Note: HTML is not translated!
Bad Good

Shipping Time


After you successfully placed an order at RenhotecIC.com, you will receive a confirmation email with your invoice. Once your order is shipped, you will be emailed with the tracking information of your package. Also, you can choose your preferred shipping method during the checkout process. Kindly advise: please select DHL/FedEx if you need our product urgently.

The timeline of the whole shipping process is shown below:

img

The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.

Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.

Shipping time: The time for your item(s) to travel from our warehouse to your destination. The shipping time depends on the shipping method you chose. Please refer to the shipping rate section for details. 


Shipping Rates


You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:


Shipping MethodShipping RatesShipping Times
Flat Shipping (Promotion)
$10About 5-30 Working Days to Worldwide (Only include Monday to Saturday )

Standard Express(0.5KG starting price listed)

Based On WeightsAbout 5-15 Working Days to Worldwide (Only include Monday to Saturday )

Priority Express (0.5KG starting price listed)

Based On WeightsAbout 3-7 Working Days to Worldwide (Only include Monday to Saturday )

In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible. 

If you want to know more information, please contact the customer service by contact form or sales@renhotecic.com. We will settle your problem as soon as possible. Enjoy shopping!