R221A08 8CH Serial Port Relay Module DB9 UART RS232 Remote Control Switch 12V DC for Smart Home

Based on 0 reviews. - Write a review

$14.99

Ex Tax: $14.99

Stock: In Stock
Model: EB0042244
SKU: EB0042244

Qty

Add to Cart

Buy Now Ask Question

Add to Wish List Compare this Product

>>>Manual: Click here to open<<<

Description:

- Power Input: DC 12V(8.5-13.5V).

- Standby Current: (all relays closed) 18mA, 1 relay open 51mA, 2 relays open 82mA, 3 relays open 112mA, 4 relays open 142mA, 5 relays open 170mA , 6 relays open 198mA , 7 relays open 227mA , 8 relays open 251mA

- PC Serial ports RS232 Control Relay;

- Power indicator : LED lights;

- Output indication : relay output with LED indicators,easy to see working status of the relay;

- Communication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. Two-way data transmission.

- Baud rate 9600kbps, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes.

- Size : 94 x 62 x 19 mm

Control Commands:

1. Reading status(reading the satus of the relay (on/off))

Channel 1 :55 56 00 00 00 01 00 AC

Channel 2 :55 56 00 00 00 02 00 AD

Channel 3 :55 56 00 00 00 03 00 AE

Channel 4 :55 56 00 00 00 04 00 AF

Channel 5 :55 56 00 00 00 05 00 B0

Channel 6 :55 56 00 00 00 06 00 B1

Channel 7 :55 56 00 00 00 07 00 B2

Channel 8 :55 56 00 00 00 08 00 B3

2.Relay open (issue this command,Relay open,COM connect to NO)

Channel 1 :55 56 00 00 00 01 01 AD

Channel 2 :55 56 00 00 00 02 01 AE

Channel 3 :55 56 00 00 00 03 01 AF

Channel 4 :55 56 00 00 00 04 01 B0

Channel 5 :55 56 00 00 00 05 01 B1

Channel 6 :55 56 00 00 00 06 01 B2

Channel 7 :55 56 00 00 00 07 01 B3

Channel 8 :55 56 00 00 00 08 01 B4

3. Relay close (issue this command,Relay close,COM disconnect NO,and COM connect to NC)

Channel 1 :55 56 00 00 00 01 02 AE

Channel 2 :55 56 00 00 00 02 02 AF

Channel 3 :55 56 00 00 00 03 02 B0

Channel 4 :55 56 00 00 00 04 02 B1

Channel 5 :55 56 00 00 00 05 02 B2

Channel 6 :55 56 00 00 00 06 02 B3

Channel 7 :55 56 00 00 00 07 02 B4

Channel 8 :55 56 00 00 00 08 02 B5

4. Relay toggle(Relay status reversal,if COM connect to NO,this commands will Disconnect COM to NO and Reverse COM connect to NC,and vice versa)

Channel 1 :55 56 00 00 00 01 03 AF

Channel 2 :55 56 00 00 00 02 03 B0

Channel 3 :55 56 00 00 00 03 03 B1

Channel 4 :55 56 00 00 00 04 03 B2

Channel 5 :55 56 00 00 00 05 03 B3

Channel 6 :55 56 00 00 00 06 03 B4

Channel 7 :55 56 00 00 00 07 03 B5

Channel 8 :55 56 00 00 00 08 03 B6

5. Relay momentary(Relay COM connect to NO,disconnect after 200MS)

Channel 1 :55 56 00 00 00 01 04 B0

Channel 2 :55 56 00 00 00 02 04 B1

Channel 3 <

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:

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 Method Shipping Rates Shipping Times
Flat Shipping (Promotion)
$10 About 5-30 Working Days to Worldwide (Only include Monday to Saturday )
Standard Express（0.5KG starting price listed）
Based On Weights About 5-15 Working Days to Worldwide (Only include Monday to Saturday )
Priority Express （0.5KG starting price listed）
Based On Weights About 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!

Tags: Relay