---
title: "EC-M11-EG-C2 – DATASHEET"
description: "## Product Features ![](https://norvi.io/wp-content/uploads/2024/09/EC-M11-EG-C2_-Summary-Image-1024x789-1.jpg) - ESP32-WROOM32 Module - Digital Inputs ![](https://norvi.io/wp-content/uploads/2024/09/DSC_5691-782x1024-5.png) ## Main | Range of Product | NORVI EC M11 | | --- | --- | | Product Type | Programmable Node | | Certifications | EN 61131-2:2007 EN…"
url: "https://norvi.io/docs/norvi-ec-m11-eg-c2-datasheet/"
updated: "2026-03-20"
category: "OTHER PRODUCTS / EC-M11-EG / EC-M11-EG-C2"
---

# EC-M11-EG-C2 – DATASHEET

## Product Features

![](https://norvi.io/wp-content/uploads/2024/09/EC-M11-EG-C2_-Summary-Image-1024x789-1.jpg)

- ESP32-WROOM32 Module
- Digital Inputs

![](https://norvi.io/wp-content/uploads/2024/09/DSC_5691-782x1024-5.png)

## Main

| Range of Product | NORVI EC M11 |
| --- | --- |
| Product Type | Programmable Node |
| 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 |
| Communication | WiFI / Bluetooth RS 485 |
| Inputs and Outputs | 2 x Digital Inputs |
| Displays and Visual Indicators | Green and Red LED |

## Complementary

| Product Unified Code | NORVI EC-M11-EG-C2 |
| --- | --- |
| Product Part Numbers  | NORVI EC-M11-EG-C2 |

## Mechanical Properties

| Enclosure | WP8-10-4G |
| --- | --- |
| Mounting / Installation Method | Wall mount Electrical Pole mount - accessory required |
| Terminal Type | 8-position Molding Cable / AWG24 / Length 2 meters |
| Terminal Arrangement | Color-Coded Tinned Wires |
| Depth | 35 mm |
| Height | 100 mm |
| Width | 75 mm |

![](https://norvi.io/wp-content/uploads/2024/09/unnamed-27.png)

## Environment

| IP degree of protection  | IP20 |
| --- | --- |
| Operating altitude  | 0 - 2000 meters |
| Operating Temperature  | - –10 … +85° C |
| 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) |   400mA |
| Recommended Power Source |   1W 24V DC |

## Processing

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

## INPUTS and OUTPUTS

### Digital Inputs

| Number of Digital Inputs | 2 |
| --- | --- |
| 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 0 - GPIO34 Digital Input 1 - GPIO35 |

## 8-pin Connector and wire harness

![](https://norvi.io/wp-content/uploads/2024/09/345-9.jpg)

### Pin Description

| **8P Male** | **Wire colour** | **I/O Configuration** |
| --- | --- | --- |
| 1 | White | Digital In 1 |
| 2 | Brown | Digital In 2 |
| 3 | Green | - |
| 4 | Yellow | - |
| 5 | Gray | RS-485A |
| 6 | Pink | RS-485B |
| 7 | Blue | Power+ |
| 8 | Red | Power- |

## Communication Channels

### RS-485 Communication

| Communication Mode | HALF-DUPLEX |
| --- | --- |
| Transceiver | MAX485 |
| Unit Load | 1/4 |
| Flow Control / Direction Control Pin | GPIO13 |
| TX Pin | GPIO2 |
| RX Pin | GPIO4 |

## GPIO Map

| **GPIO** | **Description** | **Usage** |
| --- | --- | --- |
| 0 | outputs PWM signal at boot | NRST |
| 1 | USB to UART | TX0 |
| 2 | RS-485 | TX1 |
| 3 | USB to UART | RX0 |
| 4 | RS-485 | RX3 |
| 5 | outputs PWM signal at boot |  |
| 12 | boot fails if pulled high |  |
| 13 | RS-485 | Flow Control |
| 14 | outputs PWM signal at boot |  |
| 15 | outputs PWM signal at boot |  |
| 16 |  | SDA |
| 17 |  | SCL |
| 22 |  |  |
| 23 |  |  |
| 25 |  |  |
| 26 |  |  |
| 32 |  |  |
| 34 | input only | Digital Input 1 |
| 35 | input only | Digital Input 2 |
| 36 |  |  |
| 38 |  |  |
| 39 |  |  |