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smartDEN IoT Internet / Ethernet 32 Inputs Module - DIN Rail BOX

This device is an Ethernet and Web enabled input module suitable for home automation, environment monitoriong applications, logging/counting different events and many others. SmartDEN IP-32IN provides 16 digital inputs (for motion detector sensors, dry contacts, switches, buttons), 8 analog inputs (for temperature, humidity, light, pressure sensors) and 8 temperature inputs designed for NTC thermistors type B57500M. The integrated web server for set-up, SNMPv2c and HTTP/XML allow easy embedding in other systems. Interesting feature of the module is the ability to control remote relays based on input event or work in "Data Logging Mode" in order to post data in xml format on a remote server. Supported by DRMv3 Software. Various software examples are provided and the module is supported by our android and ios apps. Works with Home Assistant, Domoticz and OpenHAB home automation systems as well as with Node-RED IoT platform.

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  • Fully Compatible with 10/100/1000 Base-T networks;
  • Auto-MDIX;
  • Extended supply voltage range: 10...28V DC;
  • Power supply protection against reverse polarity;
  • 16 digital inputs with ON/OFF LED; Schmitt trigger for each. Levels: (0-12VDC or 0-24VDC);
  • 8 analog inputs 0-10V DC;
  • 8 temperature inputs for NTC thermistors type B57500M, temperature range: -55°C/-67°F to +155°C/311°F;
  • Selectable temperature units: °C or °F;
  • Additional voltage 5V DC source is provided for an easy sensors supply;
  • Additional voltage source equal to VIN is provided for an easy sensors supply;
  • Supported protocols: ARP, IP, ICMP (ping), DHCP, DNS, HTTP, SNMPv2c;
  • Web server with secure login authorization;
  • Linearization (scaling) for the analog inputs;
  • SNMP messages for configuration/monitoring (get, set, bulk, table, getnext, walk);
  • SNMP trap messages upon certain events: temperature sensor, analog input, digital input;
  • Secure HTTP/XML/JSON API protocol support for reading inputs status;
  • Access protection (by IP and MAC address);
  • Data Logging mode (push) mode: XML/JSON data message is sent via HTTP post method to remote server periodically;
  • Remote relay control mode: remote control of smartDEN IP-16R, DAEnetIP3, DAEnetIP4 and Wi-Fi 16 Relay outputs through Ethernet/Internet;
  • Working temperature range: 0 to 70°C;
  • DIN Rail standart housing;
  • 2 mounting feets for wall fixing;
  • Supported by DRMv3 Software (Windows, Linux, Raspbian) - New;
  • Supported by DAE-iModules App for iOS and DAE-aModules App for Android;
  • Software examples for PHP, JAVA, VB.NET, C#.NET and NI LabView - here;
  • Compatible various third party software: net-snmp, MRTG...
  • 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;
  • Documentation - here



SmartDEN IP-32IN is shipped with one NTC thermistor sensor B57500M Epoxy Resin (up to 8 such sensors are supported by singe module). However additional sensors can be ordered from our store from these links:


The module has 8 analog inputs 0-10V which can be used also with every analog output sensor within this voltage range. You can check our other sensors as well for the analog inputs: LM35DZ (temperature), LM335Z(temperature), HIH-4000 (humidity), TSL250R(light), GP2Y0A21YK (Proximity), Voltage Transducer 0-300V AC In, 0-10V DC Out, Current Transducer 0-50A AC In, 0-10V DC Out




Application Examples

SmartDEN IP-32IN could be used for home and industrial automation applications, datacenters monitoring, environmental monitoring and so on...


smartDEN IP-32IN


SmartDEN IP-32IN remote sensore monitoring.


smartDEN IP-32IN

SmartDEN IP-32IN can send push messages which are suitable for alert and data log systems.


smartDEN IP-32IN

SmartDEN IP-32IN events counter.


Remote Services (Box-to-box mode)

smartDEN IP-32IN supports the feature to control relays over the network. This is the so called "Box to box connection".  So every customer who has Wi-Fi 16 Relay Module, smartDEN IP-16R, DAEnetIP3 or DAEnetIP4 modules now is be able to control them with this smartDEN IP-32IN input module over the network. Please refer to the documentation for more information or at this application note for more information.


SmartDEN IP-32IN Overview

smartDEN IP-32IN



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-32IN








Access from Home Assistant

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




Access smartDEN IP-32IN 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-32IN 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-32IN 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 DAE-iModules DAE-iModules



Android App DAE-aModules


Android app on Google Play




Useful information about DAE-iModules/DAE-aModules and smartDEN IP-32IN:

  • Select device smartDEN IP-32IN. You have to enter the IP of the device, UDP port (for SNMP) and SNMP Community (password).



Labview software example



Monitor smartDEN IP-32IN inputs with browser

Open your web browser and type in the address bar the following request: After login the integrated web server can be accessed.


Access smartDEN IP-32IN via XML/HTTP

Open your web browser and type in the address bar the following request: and the XML file bellow will be shown containing the inputs stataus.


Monitoring and creating charts via MRTG

MRTG is free sofwtare for charting and monitoring network equipment. It is compatible with all our snmp modules including smartDEN IP-32IN. Please check out our application note for MRTG.

SNMP Input module smartDEN IP-32IN and MRTG monitoring software


Control smartDEN IP-32IN 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 software 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
23 Feb 2024


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


Denkovi software

  • DRMv3 Software - software for monitoring, control and configuration - here
  • 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


Third party software


Software examples

Web enabled, XML & SNMP
Ethernet Input module
Monitor temperature, ADC

by Nick Brendan, 07 Jun 2017

Great functionality and impeccable quality!

by John, 15 Mar 2017

It works excellent.

by Stephan Muller, 02 Dec 2016

The product works perfect. I receive it very fast to Germany.

by Eric Sadowski, 06 Nov 2016

Very useful for monitor temeparture sensors, thanks :)


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