---
title: "NORVI IIOT-AE04-V – DATASHEET"
description: "## **Product Features ** ![](https://norvi.io/wp-content/uploads/2024/09/NORVI-IIOT-AE04-V_Summary-Image-1024x856-1.jpg) - ESP32-WROOM32 Module  - Built-in 0.96 OLED Display  - microSD Card Support - DS3231 RTC with Battery Backup - Built-in Button on the front panel  - Digital Inputs  - Analog Input - Transistor Outputs  - DIN-Rail…"
url: "https://norvi.io/docs/norvi-iiot-ae04-v-datasheet/"
updated: "2026-03-31"
category: "NORVI IIOT / NORVI IIOT-AE04-V"
---

# NORVI IIOT-AE04-V – DATASHEET

## **Product Features **

![](https://norvi.io/wp-content/uploads/2024/09/NORVI-IIOT-AE04-V_Summary-Image-1024x856-1.jpg)

- ESP32-WROOM32 Module 
- Built-in 0.96 OLED Display 
- microSD Card Support
- DS3231 RTC with Battery Backup
- Built-in Button on the front panel 
- Digital Inputs 
- Analog Input
- Transistor Outputs 
- DIN-Rail mounts
- Supports Expansion ports

**Expansions Supported **

- Digital Input
- Analog Input
- Transistor Output  

## **Main **

| Range of Product | NORVI IIOT |
| --- | --- |
| Product type | Programmable Controller |
| Certifications | EN 61131-2:2007   EN 61010-1:2010+A1:2019   EN IEC 61010-2-201:2018   2014/30/EU- Electromagnetic Compatibility (EMC)   Annex III, Part B, Module C  |
| Rated supply voltage | Product Type |
| Communication | WiFI 2.5GHz / Bluetooth   RS-485 |
| Inputs and Outputs | 6 x Digital Inputs    6 x Analog Inputs with 0–10V 2 x Transistor Outputs  |
| Displays and Visual Indicators | 0.96 OLED Display and Indicators |

## **Complementary **

| Product Unified Code  |   NORVI IIOT-AE04-V |
| --- | --- |
| Product Part Numbers  |   NORVI IIOT-AE04-V |

## **Mechanical Properties **

| Enclosure  |   NORVI 204  |
| --- | --- |
| Mounting / Installation Method |   DIN RAIL / MOUNTING TABS |
| Terminal Type  |   SCREW TERMINAL |
| Terminal Arrangement  |   Top and Bottom |
| Length  |   90.50 mm |
| Height  |   56.60 mm |
| Width  |   60.60 mm |

![](https://norvi.io/wp-content/uploads/2024/09/unnamed-72.png)

## **Environment **

| IP degree of protection  | IP20 |
| --- | --- |
| Operating altitude  | 0–2000 meters |
| Operating Temperature  | - -10... +85° C (14...185 °F) |
| Storage altitude  | 0–3000 meters |
| Shock resistance  | 15 gn for 11ms |
| Resistance to electrostatic discharge  | 4 kV on contact   8 kV on air |
| Resistance to electromagnetic fields  | 10 V/m (80 MHz ...... 1GHz)    3 V/m (1.4 MHz... 2 GHz)    1 V/m (2 MHz, 3 GHz) |

## **Electrical Characteristics **

#### ***Grid Powered Devices ***

| Rated Supply Voltage (V) |   24V DC  |
| --- | --- |
| Current Consumption (mA) |   400mA |
| Recommended Power Source |   1A, 24V DC |

## **Processing**

| SOC / MCU |   ESP32-WROOM32 |
| --- | --- |
| Flash Memory |   4MB |
| ROM |   448 KB |
| SRAM |   520 KB |
| PSRAM |   NOT AVAILABLE |

## **Peripherals **

#### **MicroSD Card support**

| Card Type  |   microSD |
| --- | --- |
| Interface  |   SPI |
| SD CARD CS  |   GPIO5 |
| MISO |   GPIO19 |
| MOSI |   GPIO23 |
| SCLK  |   GPIO18 |
| SD Detect  |   NOT CONNECTED |

#### **Internal RTC**

| RTC Chip  |   DS3231 |
| --- | --- |
| Backup Battery Type  |   CR2032 |
| Interface |   I2C |
| I2C Address |   0x68 |
| SCL Pin  |   GPIO17 |
| SDA Pin  |   GPIO16 |

#### **Built-in Buttons**

| Button 1 Pin |   GPIO32 Analog Input Level 1 |
| --- | --- |
| Button 2 Pin |   GPIO32 Analog Input Level 2 |
| Button 3 Pin |   GPIO32 Analog Input Level 3 |

#### **OLED Display **

| Display Driver |   SSD1306 |
| --- | --- |
| Display Size |   0.96 inch |
| SCL PiN |   GPIO17 |
| SDA Pin |   GPIO16 |
| RESET Pin |   NOT CONNECTED |

## **INPUTS and OUTPUTS **

#### **Digital Inputs **

| Number of Digital Inputs | 6 |
| --- | --- |
| Digital Input Polarity | Sink and Source |
| Digital Input Maximum Voltage | 32V DC  |
| Digital Input Minimum Voltage | 18V DC  |
| Maximum Switching Frequency | 1 kHZ |
| Terminal Arrangement | Digital Input 1 - GPIO39   Digital Input 2 - GPIO34   Digital Input 3 - GPIO35   Digital Input 4 - GPIO21  Digital Input 5 - GPIO22 Digital Input 6 - GPIO15 ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-1-20.png) |

#### **Analog Inputs **

| Number of Analog Inputs | 6 |
| --- | --- |
| Analog Input Measurement Range | 0 - 10V |
| Analog Input Maximum Voltage | 38V DC |
| Analog to Digital Converter (ADC) | ADS1115 |
| Analog to Digital Converter (ADC) Communication | I2C |
| Analog to Digital Converter (ADC) Address | 0x48, 0x49 |
| Terminal Arrangement | A0: Analog Input 0 - ADS1115 - 0x48 - AIN0    A1: Analog Input 1 - ADS1115 - 0x48 - AIN1   A2: Analog Input 2 - ADS1115 - 0x48 - AIN2   A3: Analog Input 3 - ADS1115 - 0x48 - AIN3   A4: Analog Input 4 - ADS1115 - 0x49 - AIN0  A5: Analog Input 5 - ADS1115 - 0x49 - AIN1 ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-2-7.png) |

#### **Transistor Outputs**

| Number of Transistor Outputs | 2 |
| --- | --- |
| Transistor Output Type | OPEN COLLECTOR |
| Maximum Sink/Source Current (mA) | 100mA  |
| Maximum Applicable Voltage | 40V  DC  |
| Maximum Switching Frequency | 1 kHz |
| Terminal Arrangement | T0.0 - GPIO26   T0.1 - GPIO27 ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-3-6.png) |

## **Communication Channels **

### **RS-485 Communication**

| Communication Mode |   HALF-DUPLEX |
| --- | --- |
| Transceiver |   MAX485 |
| Unit Load  |   1/4 |
| Flow Control / Direction Control Pin |   GPIO4 |
| TX Pin |   GPIO2 |
| RX Pin |   GPIO13 |
| Terminal Arrangement | ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-4-2.png) |

## **GPIO Map**

| **GPIO** | **  Description** | **  Usage** |
| --- | --- | --- |
| 0 |   outputs PWM signal at boot |   NRST |
| 1 |   debug output at boot |   |
| 2 |   RS485 |   TX |
| 3 |   HIGH at boot |   |
| 4 |   RS-485 |   Flow Control |
| 5 |   outputs PWM signal at boot |    |
| 12 |  |  |
| 13 | RS485 | RX |
| 14 |   outputs PWM signal at boot |  |
| 15 | input only | Digital Input 5 |
| 16 |   SDA |   I2C |
| 17 |   SCL |   I2C |
| 18 | SCLK |  |
| 19 | MISO |  |
| 21 | input only |   Digital Input 3 |
| 22 | input only |   Digital Input 4 |
| 23 | MOSI |  |
| 25 |   Expansion Port  |   Pin 1 |
| 26 |  |   Transistor output 0.0 |
| 27 |  |   Transistor output 0.1 |
| 28 |  |  |
| 32 |   Analog Input |  Buttons |
| 33 |   |   |
| 34 |   input only |   Digital Input 1 |
| 35 |   input only |   Digital Input 2 |
| 38 |  |  |
| 39 |   input only |   Digital Input 0 |

## **Expansion Port **

![](https://norvi.io/wp-content/uploads/2024/09/unnamed-5-1.png)

| **PIN ** | **  ESP32 Connection** |
| --- | --- |
| 1  |   IO25 |
| 2  |   TXD0 |
| 3  |   NOT CONNECTED |
| 4  |   RXD0 |
| 5  |   BOOT IO0 |
| 6  |   IO32 |
| 7  |   NOT CONNECTED |
| 8  |   SCL - GPIO17 |
| 9 |   GROUND  |
| 10 |   SDA - GPIO16  |