Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication
Supports Modbus RTU and TCP protocols
Handles up to 10A at 250VAC or 30VDC
Offers PoE, DC, and terminal power options
Features 8 relay channels for control
Includes LED indicators for monitoring
The Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication is an industrial-grade device designed for efficient control of various equipment through Ethernet connectivity. It supports both Modbus RTU and Modbus TCP protocols, ensuring compatibility with a wide range of industrial applications. The module is housed in a durable ABS rail-mount case, facilitating easy installation and providing robust protection.
This relay module features eight channels, each capable of handling up to 10A at 250VAC or 30VDC, making it suitable for controlling high-power devices. It offers multiple power supply options, including PoE, DC power port, and screw terminal, accommodating a wide voltage range from 7 to 36V. The device is equipped with optocoupler isolation to prevent interference from high-voltage circuits and a reverse-proof circuit to protect against incorrect connections.
The module supports various communication modes, including TCP Server, TCP Client, UDP, HTTP, and MQTT, allowing for flexible integration into different network environments. It also includes multiple LED indicators to monitor the operating status and signal transceiving. This relay module is ideal for smart home and smart agriculture solutions, enabling the control of household devices and agricultural equipment efficiently.
1x Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication
If you are not satisfied with a product purchased from the Site, you may request a return within 30 days from the delivery date, unless the product is listed under the Return Exceptions below or is subject to specific return conditions noted on the product page.
This return policy also applies, as a minimum standard, to products sold and fulfilled by third-party vendors through the Marketplace.
European consumers exercising their statutory Right of Withdrawal are subject to different conditions. See the Statutory Right of Withdrawal.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at the Vendor's discretion. See the Warranty section.
Return Conditions
To qualify for a refund under the 30-day return policy, all of the following conditions must be met:
A valid Return Authorization (RA) number must be obtained prior to returning the product. Returns without an RA number will be refused.
The RA number is valid for 30 days. The returned item must be received within that period.
The RA number must be included with the return.
Products must be returned in unused, unmodified condition (e.g., no scratches, alterations, missing parts, or signs of installation/use) and in their original packaging, suitable for resale.
Shipping fees are non-refundable. Return shipping costs are the responsibility of the customer, except in cases of a product confirmed defective through RobotShop's troubleshooting process or of a verified shipping error by RobotShop.
Refunds are processed within 7 days after receipt and inspection of the returned item.
A €100 cleaning fee may apply to domestic robots returned in used or unclean condition.
A 20% restocking fee may apply to large-quantity returns of items ordered specifically for the customer from the manufacturer or not part of RobotShop's standard inventory.
Return Exceptions
The following products are not eligible for return or refund under this policy:
Used, damaged, or modified products — Items that show signs of use, wear, or alteration, making them unsuitable for resale.
Consumables * — Use and wear-and-tear components, altered or depleted through use (e.g., batteries, belts, brushes, gears, filament, tires, disposable bags, lubricants, greases, waxes, etc.). Not eligible for return once opened or used.
Perishables — Goods liable to deteriorate or expire rapidly. Not eligible for return.
Sealed goods (health or hygiene) — Items sealed for health-protection or hygiene reasons (e.g., masks, gloves, odor-absorbing products). Not eligible for return once unsealed.
Build-it-yourself products and items requiring customer assembly * — Including robots & kits, robot parts, and other products requiring assembly or soldering. Not eligible for return once assembled, soldered, or installed.
Digital Goods, Software, and Apps * — Final sale only, due to licensing restrictions.
Clearance Items * — Products identified as clearance or final sale, including end-of-life or discontinued items.
Custom-made, personalized, or special-order items — Products manufactured, configured, adapted, or built to the customer's own specifications and requirements.
On-Demand Items * — Standard catalogue products not stocked by RobotShop and ordered specifically to fulfill a customer request.
* European consumers retain their statutory Right of Withdrawal on these items. Its exercise is subject to the conditions and exclusions set out in the Statutory Right of Withdrawal, and any reimbursement may be reduced to reflect a loss in value resulting from handling beyond inspection.
How to Request a Return Authorization (RA)
While the same return policy applies, these orders require a separate contact process for returns.
RobotShop Fulfilled Orders → submit a support ticket from your account under My Support Tickets.
Marketplace Vendor Orders → submit a ticket from your account under My Marketplace Tickets to contact the vendor directly.
Note: Marketplace vendor products are normally labelled with SKUs starting with RM, and identified on the product page with the mention "Sold and fulfilled by [Vendor Name]".
