Product Features #
- ESP32-WROOM32 Module
- GSM 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
- Module – SIM800-C
- Brand Name – SIMCom
- FCC ID – UDU-SIM800C
- TAC- 86610402
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 GSM / GPRS – SIMCOM SIM800C 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-G |
| Product Part Numbers | NORVI GSM-AE08-R-G |
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 |
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 | GPIO18 |
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 – GPIO34 Digital Input 2 – GPIO35 Digital Input 3 – GPIO14 Digital Input 4 – GPIO13  |
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 #
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 |  |
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 |
| RSTn | GPIO22 |
| INTn | GPIO2 |
GSM Communication #
| Model of GSM Modem | SIM800C |
| FCC ID | UDU-SIM800C |
| TAC | 86610402 |
| RXD | GPIO33 |
| TXD | GPIO32 |
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 |
| 11 | ||
| 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 | |
| 20 | ||
| 21 | ||
| 22 | RS485-Flow Control | |
| 23 | MOSI | |
| 24 | ||
| 25 | RS485-RX | |
| 26 | RS485-TX | |
| 27 | Relay Output 2 | |
| 31 | ||
| 32 | GSM TX | |
| 33 | GSM 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 |
