Product Features #

- ESP32-WROOM32 Module
- GSM / LTE Connection
- Built-in 0.96 OLED Display
- microSD Card Support
- DS3231 RTC with Battery Backup
- Built-in Button on front panel
- Digital Inputs
- Relay Outputs
- DIN-Rail mount
Cellular Communication
- Module – QUECTEL EC25-E
- Brand Name – QUECTEL
- FCC ID – XMR202008EC25AFXD
- TAC- 86675804
Expansions Supported
- Analog Input
- Digital Input
- Relay Outpu
Main #
Range of Product | NORVI GSM |
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 Compability (EMC) Annex III, Part B, Module C |
Rated supply voltage | 24V DC |
Communication | WiFI / Bluetooth LTE / EDGE – Quectel EC25-E RS-485 |
Inputs and Outputs | 8 x Digital Inputs 6 x Relay Outputs |
Displays and Visual Indicators | 0.96 OLED Display and Indicators |
Complementary #
Product Unified Code | NORVI GSM-AE07-R-L |
Product Part Numbers | NORVI GSM-AE07-R-L |
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 |
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 | GPIO15 |
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 | GPIO18 |
RESET Pin | GPIO21 |
Built-in Buttons #
Button 1 Pin | GPIO36 Analog Input Level 1 |
Button 2 Pin | GPIO36 Analog Input Level 2 |
Button 3 Pin | GPIO36 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 | 8 |
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 – GPIO35 Digital Input 1 – GPIO34 Digital Input 2 – GPIO2 Digital Input 3 – GPIO14 Digital Input 4 – GPIO13 Digital Input 5 – GPIO4 Digital Input 6 – GPIO5 Digital Input 7 – GPIO15 |
Relay Outputs #
Number of Relay Outputs | 6 |
Relay Output Type | Normally Open, SPST, Electro-mechanical |
Contact Current Rating (Resistive) | 5 A 30V DC/250V AC |
Maximum Contact Voltage | 270V AC, 125V DC |
Maximum Switching Frequency | 60 Hz |
Terminal Arrangement | Relay Output 0 – GPIO12 Relay Output 1 – GPIO2 Relay Output 2 – GPIO27 Relay Output 3 – GPIO0 Relay Output 4 – GPIO23 Relay Output 5 – GPIO18 |
Communication Channels #
RS-485 Communication #
Communication Mode | HALF-DUPLEX |
Transceiver | MAX485 |
Unit Load | 1/4 |
Flow Control / Direction Control Pin | GPIO22 |
TX Pin | GPIO26 |
RX Pin | GPIO25 |
Terminal Arrangement |
LTE Communication #
Model of GSM Modem | QUECTEL EC25-E |
FCC ID | XMR202008EC25AFXD |
TAC | 86675804 |
RXD | GPIO32 |
TXD | GPIO33 |
RESET | GPIO21 |
GPIO Map #
GPIO | Description | Usage |
0 | outputs PWM signal at boot | NRST |
1 | debug output at boot | TX0 |
2 | connected to on-board LED | Relay Output 1 |
3 | HIGH at boot | RX0 |
4 | Relay Output 3 | |
5 | outputs PWM signal at boot | Digital Input 5 |
6 | connected to the integrated SPI flash | |
7 | connected to the integrated SPI flash | |
8 | connected to the integrated SPI flash | |
9 | connected to the integrated SPI flash | |
10 | connected to the integrated SPI flash | |
11 | connected to the integrated SPI flash | |
12 | boot fail if pulled high | Relay Output 0 |
13 | Digital Input 4 | |
14 | outputs PWM signal at boot | Digital Input 3 |
15 | outputs PWM signal at boot | Digital Input 6 |
16 | SDA | |
17 | SCL | |
18 | Relay Output 5 | |
19 | Digital Input 7 | |
20 | ||
21 | GSM RESET | |
22 | RS485-Flow Control | |
23 | Relay Output 4 | |
24 | ||
25 | RS485-RX | |
26 | RS485-TX, | |
27 | Relay Output 2 | |
28 | ||
29 | ||
30 | ||
31 | ||
32 | GSM RX | |
33 | GSM TX | |
34 | input only | Digital Input 1 |
35 | input only | Digital Input 2 |
36 | input only | Buttons |
37 | ||
38 | ||
39 | Digital Input 0 |
Expansion Port #
PIN | ESP32 Connection |
1 | NOT CONNECTED |
2 | NOT CONNECTED |
3 | 5V |
4 | NOT CONNECTED |
5 | BOOT GPIO0 |
6 | BUTTONS |
7 | 3.3V |
8 | SCL2 GPIO17 |
9 | GND |
10 | SDA2 GPIO16 |