Product Features #

- ESP32-WROOM32 Module
- LTE Connection
- Built-in 0.96 OLED Display
- microSD Card Support
- DS3231 RTC with Battery Backup
- Ethernet via W5500
- Built-in Button on the front panel
- Digital Inputs
- Relay Outputs
- DIN-Rail mount
Cellular Communication LTE1
- Module – QUECTEL EC25
- Brand Name – QUECTEL
- FCC ID 2AQ9M-SIM7500
- TAC – 86675804
Cellular Communication LTE2
- Module – SIM7500
- Brand Name – SIMCom
- FCC ID 2AQ9M-SIM7500
- TAC – 86147503
Expansions Supported
- Analog Input
- Digital Input
- Relay Output
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 LTE2 / EDGE – SIMCOM SIM7500 RS 485 | 
| Inputs and Outputs | 4 x Digital Inputs 4 x Relay Outputs | 
| Displays and Visual Indicators | 0.96 OLED Display and Indicators | 
Complementary #
| Product Unified Code | NORVI GSM-AE08-R-L | 
| Product Part Numbers | NORVI GSM-AE08-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 | 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 | 1A 24V DC | 
Processing #
| SOC / MCU | ESP32-WROOM32 | 
| Flash Memory | 4MB | 
| ROM | 448 KB | 
| SRAM | 520 KB | 
| PSRAM | NOT AVAILABLE | 
Indicator Layout #

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 | GPIO16 | 
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 | 4 | 
| 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 – GPIO13 Digital Input 2 – GPIO34 Digital Input 3 – GPIO35 Digital Input 4 – GPIO14  | 
Relay Outputs #
| Number of Relay Outputs | 4 | 
| 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 – GPIO4  | 
Communication Channels #
| Communication Mode | HALF-DUPLEX | 
| Transceiver | MAX485 | 
| Unit Load | 1/4 | 
| Flow Control / Direction Control Pin | GPIO22 | 
| TX Pin | GPIO26 | 
| RX Pin | GPIO25 | 
| Terminal Arrangement |  | 
RS-485 Communication #
Ethernet SPI – W5500 #
| Transceiver | W5500 | 
| Speed | 10BaseT/100BaseTX | 
| Supports Auto-Negotiation | Yes | 
| TX/RX Buffer Size | Internal 32 Kbytes Memory | 
| Supported Hardwired TCP/IP Protocols | TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE | 
| Number of Simultaneous independent sockets | 8 | 
| SCSn | GPIO5 | 
| MISO | GPIO19 | 
| MOSI | GPIO23 | 
| SCLK | GPIO18 | 
LTE Communication #
| Model of GSM Modem | QUECTEL EC25 | 
| FCC ID | XMR202008EC25AFXD | 
| TAC | 86675804 | 
| RXD | GPIO33 | 
| TXD | GPIO32 | 
| RESET | GPIO21 | 
| Model of GSM Modem | SIM7500 | 
| FCC ID | 2AQ9M-SIM7500 | 
| TAC | 86147503 | 
| RXD | GPIO33 | 
| TXD | GPIO32 | 
| RESET | GPIO21 | 
GPIO Map #
| GPIO | Description | Usage | 
| 0 | outputs PWM signal at boot | NRST | 
| 1 | TX0 | |
| 2 | Relay Output 1 | |
| 3 | RX0 | |
| 4 | Relay Output 3 | |
| 5 | Ethernet | SCSN | 
| 12 | boot fail if pulled high | Relay Output 0 | 
| 13 | input only | Digital Input 4 | 
| 14 | input only | Digital Input 3 | 
| 15 | SD CARD CS | |
| 16 | SDA | |
| 17 | SCL | |
| 18 | SCLK | |
| 19 | MISO | |
| 21 | LTE RESET | |
| 22 | RS485-Flow Control | |
| 23 | MOSI | |
| 24 | ||
| 25 | RS485-RX | |
| 26 | RS485-TX | |
| 27 | Relay Output 2 | |
| 32 | LTE TX | |
| 33 | LTE RX | |
| 34 | input only | Digital Input 1 | 
| 35 | input only | Digital Input 2 | 
| 36 | Buttons | 
Expansion Port #
| PIN | ESP32 Connection | 
| 1 | NOT CONNECTED | 
| 2 | NOT CONNECTED | 
| 3 | 5V | 
| 4 | NOT CONNECTED | 
| 5 | BOOT GPIO0 | 
| 6 | NOT CONNECTED | 
| 7 | 3.3V | 
| 8 | SCL2 GPIO17 | 
| 9 | GND | 
| 10 | SDA2 GPIO16 | 
