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smartDEN IoT Internet / Ethernet 16 Relay Module - DIN Rail BOX

SmartDEN IP-16R is a LAN relay module with 16 SPDT relays for remote control with integrated web server for set-up, snmp-v1 and http/xml/json support for embedding in other systems. The built-in real time clock allows to organize schedule stand-alone work without connection to computer. Suitable for Industrail and Home automations, irrigation systems and network watch-dog systems. Works with Home Assistant, Domoticz and OpenHAB home automation systems as well as with Node-RED IoT platform. Supported by DRM and DRMv3 Software, DAE-iModule iOS App and DAE-aModules Android App plus many source code examples. This is the version with DIN rail box.

Rating: Rating: 10
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Price: $158.50
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  • 10 Mb Ethernet interface with Link/Activity Led;
  • Auto-MDIX;
  • 16 SPDT relays (with NO and NC contacts);
  • Led for each relay;
  • Pulse function (timer) for every relay;
  • Real Time Clock (RTC) for schedule (calendar) stand-alone work;
  • Web server with secure login authorization;
  • SNMPv1 for configuration/monitoring (snmpget and snmpset);
  • Secure HTTP/XML/JSON API protocol support for read/write relays status;
  • Supported protocols: ARP, IP, ICMP (ping), DHCP, DNS;
  • Watch-Dog Auto-Reboot ICMP (outgoing) function;
  • Access protection (by IP and MAC address);
  • Option for relays states saving and loading on reset;
  • Many software examples - here
  • Supported by DRMv3 Software (Windows, Linux, Raspbian) - New;
  • Supported by DRM Software, DAE-iModules App for iOS and DAE-aModules App for Android
  • Software examples for PHP, JAVA, VB.NET, C#.NET and NI LabView - here;
  • Supported by Home Assistant home automation software - New;
  • Supported by openHAB home automation software;
  • Supported by Domoticz home automation software;
  • Supported by Node-RED IoT platform;
  • Other third party software - here;
  • Documentation - here


Technical Parameters

Box size, mm 210 x 85 x 58
Box weight, g 420
Power supply voltage,VDC 12 or 24 (depends on the model) ±2
Maximum current consumption at 12VDC (when all relays are ON), mA 600
Maximum current consumption at 24VDC (when all relays are ON), mA 400
Operating temperature range, °C 0 to 70
SPDT relay channels (the type depends on the stocks quantity in our store):

TONGLING - JQC-3FF-S-Z (10A / 250VAC, 15A / 120VAC, 10A / 28VDC)

SUNHOLD - RAS xx15 (10A / 250VAC, 15A / 120VAC, 15A / 24VDC)


Please note the product does not come with power supply adapter that you may need. We offer suitable 12V or 24V adapters


Application Examples

  • Remote control of electrical appliances;
  • Industrial automation;
  • Home automation;
  • Restart computers remotely;
  • Garden irrigation applications which requres powering on/off upon certain time without computer.


Easily access SmartDEN IP-16R via internet or LAN and control appliances remotely for Home Automation and Industrial Automation applications.

SmartDEN IP-16R supports up to 30 schedule events for controlling appliances without connection with computer. It is possible to set ON/OFF event upon minute, hour, day of week or certain date. For more information please take a look into the documentation.



SmartDEN IP-16R supports periodically sending outgoing ping request to remote host (router, switch, PC, IP camera...) and upon timeout it will perform reboot of the device in order "to keep it alive".


SmartDEN IP-16R Overview



Access from Home Assistant

Home Assistant is very powerful home automation system. Please checkout our application note for more information.




Access smartDEN IP-16R from OpenHAB

OpenHAB is a third party open source free home automation software. Run your server on Linux, macOS, Windows, Raspberry Pi, PINE64, Docker, Synology... Access it with apps for the web, iOS, Android and others. Use a powerful and flexible engine to design rules, with time and event-based triggers, scripts, actions, notifications and voice control.


There are two ways of communication - via SNMP and HTTP GET requests. More information about the integration with our hardware - or contact with us.




Access smartDEN IP-16R from Domoticz

Domoticz is a free open source popular home automation software which can run on Windows, Linux, MAC, Rasberry PI and others. It is a home automation system design to control various devices and receive input from various sensors. Access it with apps for the web, iOS, Android and others.


More information about how to connect and use it with our hardware - or contact with us.




Access smartDEN IP-16R from Node-RED

Node-RED is a flow-based programming platform for the Internet of Things. We prepared small example for communication between Node-RED and our device. More info about Node-RED and denkovi modules: here

You can download the example Node-RED flows from here: SNMP and HTTP




Access via mobile devices

iOS App DAE-iModules



DAE-iModules DAE-iModules



Android App DAE-aModules


Android app on Google Play




The video bellow shows how you can control smartDEN IP-16R Relay Module. Any other Denkovi Ethernet Device from this list can be acessed with same success from your iOS device via DAE-iModules.



Some useful information about DAE-iModules/DAE-aModules and smartDEN IP-16R:

  • Select device smartDEN IP-16R. You have to enter the IP of the device, UDP port (for SNMP) and SNMP Community (password)



Access via software DRMv3

This device is supported by DRMv3 Software.

The device can be found in the device list under the default name: smartDEN IP-16R








Control smartDEN IP-16R with browser


Control smartDEN IP-16R via HTTP GET Request and receive the reply in XML or JSON format


Control smartDEN IP-16R via Command Line

Net-snmp is free command line utility for windows which allows you to execute snmp commands from command line, BAT files, BASH scripts or any other sofwtare that can execute external .exe file or commands from command line. The instructions file how to install net-snmp and example commands can be downloaded from here.





Release Date Current  Version Mib File Update Utility Version History Note
06 Mar 2024


Here Denkovi Finder   Version History Instructions how to update - will be sent by request only


Denkovi software

  • DAE-iModules - App for iOS mobile devices, support link here
  • DAE-aModules - App for Android mobile devices, support link here
  • Denkovi Finder - utility for discovery DAEnetIP4 and smartDEN devices in local network - here
  • DRMv3 Software - software for monitoring, control and configuration - here
  • DRM Software - software for controlling relays - here


Third party software


Software examples

With weekly schedule
Ethernet LAN Relay - DIN BOX
WEB enabled SNMP relay

by Christine, 17 Aug 2017

Excellent product great communication from seller! Highly recommended

by Alessandro, 15 Mar 2017

Wonderful product! A+

by Harold, 21 Nov 2016

Very quick shipment. It works well for a system sort control.


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