---
title: "NORVI X-AV4 – DATASHEET"
description: "The NORVI X-AV4 is a 4 x Analog Inputs Expansion module designed for the NORVI X modular controller platform. It provides four analog input channels suitable for industrial monitoring and measurement applications. The inputs are conditioned using precision signal amplifiers…"
url: "https://norvi.io/docs/norvi-x-av4-datasheet/"
updated: "2026-10-13"
category: "NORVI X / NORVI X-AV4"
---

# NORVI X-AV4 – DATASHEET

The NORVI X-AV4 is a 4 x Analog Inputs Expansion module designed for the NORVI X modular controller platform.

It provides four analog input channels suitable for industrial monitoring and measurement applications.
The inputs are conditioned using precision signal amplifiers and digitized through an ADS1115 I²C ADC, enabling accurate data acquisition with minimal MCU I/O usage.

## Product Features

- 4 × Analog Input channels
- High-resolution ADC (16-bit)
- I²C communication interface
- Suitable for industrial signal monitoring
- Compact design for expansion systems
- Designed for NORVI X modular architecture

## Applications

- Industrial process monitoring
- Current and voltage measurement systems
- Modular PLC Expansion
- Factory automation and control panels
- Remote Data Logging

![NORVI X-AV4 FRONT FACE](https://norvi.io/wp-content/uploads/2026/03/NORVI-X-AV4-FRONT-FACE-1-229x1024.jpg)

## Product Block Diagram

![NORVI X-AV4 Block Diagram](https://norvi.io/wp-content/uploads/2026/03/NORVI-X-AV4-Block-Diagram-V2-702x1024.jpg)

## Main

| Range of Product | NORVI X |
| --- | --- |
| Product type | Expansion Module for NORVI X Series |
| 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 | 24V DC |

## Complementary

| Product Part Numbers | NORVI X-AV4 |
| --- | --- |

## Mechanical Properties

| Enclosure | NORVI X-N1 |
| --- | --- |
| Mounting / Installation Method | DIN RAIL |
| Terminal Type | Push-in terminal |
| Terminal Arrangement | Front |
| Length | 81.00 mm |
| Height | 104.00 mm |
| Width | 23.00 mm |

![](https://norvi.io/wp-content/uploads/2026/03/NORVI-X-AV4-Measurement-Diagram-1024x845.jpg)

## Environment

| IP degree of protection | IP20 |
| --- | --- |
| Operating altitude | 0 - 2000 meters |
| Operating Temperature | −40 to +85 °C (−40 to +185 °F) |
| Storage altitude | 0 - 3000 meters |
| Shock resistance | 15 gn for 11ms |
| Resistance to electrostatic discharge | 4kV on contact 8kV 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) | 40mA @ 24VDC |

## Analog Inputs

| Number of Analog Inputs | 4 |
| --- | --- |
| Analog Input Measurement Range | 0-10V |
| Analog to Digital Converter (ADC) | ADS1115 |
| Analog to Digital Converter (ADC) Resolution | 16-bit |
| Analog to Digital Converter (ADC) Communication | I2C |
| ADC Power Supply | 3.3V |

## Terminal Configuration

| No. | Terminal | Description |
| --- | --- | --- |
| 1 | AIN1 | Analog Input Channel 1 |
| 2 | AIN2 | Analog Input Channel 2 |
| 3 | AIN3 | Analog Input Channel 3 |
| 4 | AIN4 | Analog Input Channel 4 |
| 5 | GND | Ground |

## GPIO Utilization

| Utilization | Connection to CPU |
| --- | --- |
| SCL | IO9 |
| SDA | IO8 |

## I2C Address Selection

![NORVI X-AV4 I2C Address Selection](https://norvi.io/wp-content/uploads/2026/03/NORVI-X-AV4-I2C-Address-Selection.png)

| DIP 1 | DIP 2 | DIP 3 | DIP 4 | Address |
| --- | --- | --- | --- | --- |
| ON | OFF | OFF | OFF | 0x49 |
| OFF | ON | OFF | OFF | 0x4B |
| OFF | OFF | ON | OFF | 0x4A |
| OFF | OFF | OFF | ON | 0x48 |

## Expansion Port

Utilized GPIO Connections are highlighted in Green. They cannot be used for any other purpose with this module connected.

| PIN INDEX | Purpose | GPIO | SOURCE |
| --- | --- | --- | --- |
| 1 | MOSI | IO11 | ESP32-S3 |
| 2 | MISO | IO13 |  |
| 3 | SCLK | IO12 |  |
| 4 | GND | ---- |  |
| 5 | SCL | IO9 |  |
| 6 | SDA | IO8 |  |
| 7 | GND | ---- |  |
| 8 | RX1 | IO18 |  |
| 9 | TX1 | IO17 |  |
| 10 | GND | ---- |  |
| 11 | D+ | ---- |  |
| 12 | D- | ---- |  |
| 13 | GND | ---- |  |
| 14 | CS1 | P1_0 | PCA9539 I2C Address 0x75 |
| 15 | CS2 | P0_7 |  |
| 16 | CS3 | P0_6 |  |
| 17 | CS4 | P0_5 |  |
| 18 | IO1 | IO1 | ESP32-S3 |
| 19 | IO2 | IO2 |  |
| 20 | IO4 | IO4 |  |
| 21 | IO5 | IO5 |  |
| 22 | IO6 | IO6 |  |
| 23 | IO7 | IO7 |  |
| 24 | IO10 | IO10 |  |
| 25 | IO11 | IO35 |  |
| 26 | IO12 | IO36 |  |
| 27 | IO13 | IO37 |  |
| 28 | IO14 | IO14 |  |
| 29 | RS485_TX | IO15 |  |
| 30 | GND | ---- |  |
| 31 | GND | ---- |  |
| 32 | RS485_RX | IO16 |  |
| 33 | P1_1 | P1_1 | PCA9539 I2C Address 0x75 |
| 34 | P1_2 | P1_2 |  |
| 35 | IO21 | IO21 | ESP32-S3 |
| 36 | GND | ---- |  |
| 37 | GND | ---- |  |
| 38 | P1_3 | P1_3 | PCA9539 I2C Address 0x75 |
| 39 | P1_4 | P1_4 |  |
| 40 | P1_5 | P1_5 |  |
| 41 | IO39 | IO39 | ESP32-S3 |
| 42 | IO40 | IO40 |  |
| 43 | NC | ---- |  |
| 44 | NC | ---- |  |
| 45 | NC | ---- |  |
| 46 | GND | ---- |  |
| 47 | 5V | 5V | Power |
| 48 | GND | GND |  |
| 49 | 24V | 24V |  |
| 50 | 24V | 24V |  |