dS3484 - 4 x 16A ethernet relay - 2x TTL level serial ports, 1 x RS485

Right out of the box -

Simple configuration and setup from your web browser.
Control it from a web page, or select tcp/ip control with an option of ASCII, Binary or Modbus protocols. 
Send email notifications on selected events. 
Optional AES encryption for totally secure control using binary tcp/ip mode.
Add simple relay automation, for automatic relay control.

Still want more? 

You can completely customise the module using our powerful dScript language! - or just modify a supplied example.
Create custom webpages - Add your own logo, buttons and functionality.
Add a tcp server to respond to incoming tcp requests with your own functions.
Include a tcp client and send packets of tcp data to other devices using your own protocol.

And the best bit!

You will probably never need to use dScript - but its great to know its there - just in case!

Hardware

Serial ports - 2 x TTL level serial ports, 1 x RS485 port..
Relays - 4 with up to 16Amp @24vdc or 250vac, screw Terminals for N/O N/C and Common contacts
I/O - 8 channels, your choice of VFC input or NPN output.
Analogue Inputs - 4 channels of 10-bit A/D.
Communication - USB for development, RJ45 Ethernet for normal access
Power - 12V DC jack 2.1mm (adaptor sold separately) 

Download Section

1. Manual
2. Webpage
3. java
4. drawing
5. dScript-v4
6. HomeAssistant-NodeRED
7. tcp184-v4

There are several configuration, if you need different configuration, please fill in the Form below with all details