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Home / Development Boards & Control Boards / Remote 4-Channel Network Relay IO Control Board with Digital Input/Output Acquisition

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Communication Protocol TCP/IP, Modbus TCP, HTTP, MQTT
Relay Output 4 Channels, 10A 250VAC Max
Digital Input 4 Channels, Dry Contact or DC 0-30V
Power Supply DC 12V to 24V
Network Port RJ45 Ethernet 10/100Mbps
Operating Temperature -20°C to 70°C
Dimensions 105mm x 75mm x 35mm
Weight 180g
Configuration Web Browser or TCP Client
Certification CE, FCC, RoHS Compliant

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 4/5

Good Value for Money

Stable connection over Ethernet. Wish it had WiFi built-in but understood it's Ethernet only.

A

Anonymous

Apr 01, 2026

Rating: 5/5

Reliable Remote Control

Using it for home lighting control. Haven't had any disconnections in three months of use.

A

Anonymous

Mar 28, 2026

Rating: 5/5

Easy Network Setup

Configured via web interface in minutes. Static IP assignment worked exactly as expected.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Great Hardware, Docs Need Work

The board itself is solid and relays click nicely. Documentation could be more detailed for beginners.

A

Anonymous

Mar 07, 2026

Rating: 5/5

Perfect for Industrial Automation

Works flawlessly with our PLC system. The Modbus TCP implementation is stable and latency is low.

5 FAQ

Q: Does it support static IP?

A: Yes, both DHCP and Static IP configurations are available in the network settings.

Q: What is the max current per relay?

A: Each relay supports up to 10A at 250VAC or 10A at 30VDC resistive load.

Q: Can I control this via Python?

A: Yes, using TCP sockets or HTTP GET requests. Example code is available in the download section.

Q: Does this support WiFi?

A: This model is Ethernet only via RJ45. Please check our WiFi variant for wireless connectivity.

Q: Is there a mobile app?

A: No dedicated app, but the web UI is mobile-friendly and works on all modern browsers.

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