Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
US$18.99
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection

Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection

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Ship From: China Warehouse
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US$18.99

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Product Description

Product parameters:
 
1. On-board mature and stable 8bit MCU and MAX485 level conversion chip
2. Communication protocol: support standard Modbus RTU protocol
3. Communication interface: Support RS485 / TTL UART interface
4. Communication baud rate: 4800/9600/19200, default 9600bps, support power saving
5. Photocoupler input signal range: DC3.3-30V (This input cannot be used for relay control)
6. Output signal: relay switch signal, support manual, flash-off, flash-off mode, the delay base of flash-off / flash-off is 0.1S, the maximum settable flash-off / flash-off time is 0xFFFF * 0.1S = 65535 * 0.1 S = 6553.5S
7. Device address: range 1-255, default 255, support power-down save
8. Onboard one 5V, 10A / 250V AC 10A / 30V DC relay, which can continuously attract 100,000 times, with diode leakage protection, short response time
9. Onboard relay switch indicator
10. Supply voltage: DC7-24V, with input anti-reverse protection

1. VCC, GND: DC7-24V power input
2. IN, GND: DC3.3-30V optocoupler signal input
3. A +, B-: RS485 communication interface, A +, B- are connected to A +, B-
4. Relay switch signal output
NC: normally closed end, the relay is short-circuited to COM before pull-in, and left floating after pull-in;
COM: public end;
NO: Normally open, the relay is suspended before the pull-in, and shorted to COM after the pull-in.
5. Relay indicator: lit when the relay is on
6. GND, RXD, TXD: TTL level UART communication interface, GND, RXD, TXD are respectively connected to GND, TXD, RXD of the external control terminal
 

Package includes:

1 x Modbus RTU 7-24V Relay Module

More Detailed Photos:

Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection

Additional Information

When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:

Airmail and Airmail Registered Area Time
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United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
Italy, Brazil, Russia 10-45 business days
Other countries 10-35 business days
Expedited Shipping 7-15 business days to Worldwide

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Returns

You may return this item within 15 days of delivery for a full refund. We’ll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

 

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Returns Eligibility

In order for a return to be eligible for a refund please ensure you return within 15 days from the delivery date of your item.

We kindly ask that you return your item to us in new or lightly used condition with no signs of worn out. If the item is in used condition, please send us the photo to confirm its condition before returning it. We reserve the right to refuse any return if there are any signs of worn out or if parts are missing.

Please be aware, we do cover the cost of the returns fees only if the return is a result of our error (you received an incorrect or defective item, etc.).

All customers should contact us before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

 

Refunds

Following a successful inspection of your return we will process a full refund to the credit / debit card or PayPal account which was used to place the original order. 

You should expect to receive your refund within four weeks of returning your package, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 20 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (3 to 5 business days).

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