4 Channel RS232 Relay Board PC USB UART DB9 Remote Control Switch DC12V for Smart Home

$22.99
  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 
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    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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Features:
 
– This is  4 Channel Relay Module.
– DC 12V power supply (voltage range 9-13V).
– Standby current (all relays closed) 18MA, 1 channel  relay open 50MA, 2 channel relays open 81MA, 3 channel relays open 110MA, 4 channel relays open 141MA.
– RS232 DB9 female interface.
– "Read", "open", "close", "Self-locking" , click, interlock 6 commands, can satisfy most of the industrial control. 
 
Specifications:
 
Model: CE039_12V
Rated current: 10A
Rated voltage: DC12V
3C rated voltage range: below 36V
Relay load current: Max 10A
Relay load voltage: DC 1-100v or AC85-265v
Weight: 67g
Size: 8.5 x 4.7 x 1.8cm
 
Control Commands:
 
1. Reading status(reading the satus of the relay (on/off))
 
55 56 00 00 00 00 00 AB
   
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  
 
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
   
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
 
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 : 55 56 00 00 00 03 04 B2
Channel 4 : 55 56 00 00 00 04 04 B3
 
6. Relay Interlock
 
Channel 1 : 55 56 00 00 00 01 05 B1
Channel 2 : 55 56 00 00 00 02 05 B2
Channel 3 : 55 56 00 00 00 03 05 B3
Channel 4 : 55 56 00 00 00 04 05 B4
 
Once issue a command,will have a return fame,7th byte of return fame mean the satus of realy.
 
Return Commands:
   
1.Return relay open(return this command,mean COM connect to NO)
 
Channel 1 : 33 3C 00 00 00 01 01 71
Channel 2 : 33 3C 00 00 00 02 01 72
Channel 3 : 33 3C 00 00 00 03 01 73
Channel 4 : 33 3C 00 00 00 04 01 74
 
2.Return relay close(return this command,mean COM disconnect NO , and COM connect to NC)
 
Channel 1 : 33 3C 00 00 00 01 02 72
Channel 2 : 33 3C 00 00 00 02 02 73
Channel 3 : 33 3C 00 00 00 03 02 74
Channel 4 : 33 3C 00 00 00 04 02 75
 
Application:
 
Remote control, remote measurement system; 
Wireless meter ; 
Smart Home,Home Automation ,Wiser Home;
Access control  ;
Identification system ;
Data collection; 
IT household appliance ;
Intelligence household appliance;
Baby monitoring system;
 
Typial Application:
 
1. DC 12V control circuit,Wiring diagram below. ''LOAD'' may be LED lights, fans, motors and  other DC 12V equipment
 
 
aeProduct.getSubject()
 
 
2. 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 and other DC AC equipment
aeProduct.getSubject()
 
 
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 equipment
 
aeProduct.getSubject()
 
 
 
Test Software:(Only support win xp (32/62)  win 7 (32/62) Operating System)
 
aeProduct.getSubject()
 
Package Included:
 
1 x  4 Channel RS232 Relay Board

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