The NORVI-DMS-GATEWAY-13A-LTE is a cellular-enabled pump control gateway designed for water tank level monitoring and automatic pump control. The gateway connects to a tank level sensor, monitors the pump operating current, and controls the pump through an onboard relay.
Product Features #
- LTE Connectivity – A7672X cellular modem.
- Tank Level Monitoring – Supports tank level sensors.
- Pump Control – Relay-based pump switching.
- Current Monitoring – Monitors pump operating current.
- Buzzer Alarm – Audible fault and status indication.
- Remote Monitoring – Enables remote pump and tank monitoring.
Applications #
- Water Tank Level Monitoring
- Automatic Water Pump Control
- Remote Pump Monitoring
- Residential Water Management
- Commercial Water Storage Systems
- Industrial Water Tank Management
- Overhead and Underground Water Tank Systems
- Remote Pump Stations
- Water Supply and Distribution Systems

Product Block Diagram #

Technical Specifications #
Main #
| NORVI-DMS-GATEWAY-13A-LTE | NORVI-DMS-GATEWAY-13A-LTE |
|---|---|
| Product Type | Industrial IoT Gateway |
| 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 | 230V AC |
| Communication | SIMCOM A7672X Built-in Wi-Fi & Bluetooth (ESP32) |
| Displays and Visual Indicators | Power, Run and Network Indicators OLED Display |
Complementary #
| Product Unified Code | NORVI-DMS-GATEWAY-13A-LTE |
| Product Part Numbers | NORVI-DMS-GATEWAY-13A-LTE |
Mechanical Properties #
| Enclosure | CZ120 smart socket plug shell |
| Material | ABS + PC flame retardant blend (UL94 V0 typical) |
| Mounting / Installation Method | Plug With Socket |
| Length | 115mm |
| Height | 55mm |
| Width | 75mm |
Environment #
| IP degree of protection | IP65 |
| Operating altitude | 2000 meters |
| Operating Temperature | –40 °C to +85 °C |
| Storage Temperature | –45 °C to +90 °C |
| Shock resistance | Operating: 30 g, 11 ms half-sine; Non-operating: 50 g, 11 ms |
| Resistance to electrostatic discharge | Not Applicable |
| Resistance to electromagnetic fields | VBAT/GND: ±5 kV / ±10 kV Antenna: ±5 kV / ±10 kV USB: ±4 kV / ±8 kV UART: ±4 kV / ±6 kV Other pads: ±1 kV / ±2 kV |
Main Components #
| Component | Description |
|---|---|
| Main Controller | ESP32-C3-MINI-1U-N4 |
| Current Sensor | Measures current flow and converts it into a proportional output signal for monitoring, protection, or control |
| Cellular Modem | SIMCOM A7672X |
| Display | 0.91″ 128 × 32 White OLED Display |
Processing #
| SOC / MCU | ESP32-C3-MINI-1U-N4 |
| Flash Memory | 4MB Flash |
| ROM | 384 KB |
| SRAM | 400 KB |
| PSRAM | Not available |
Peripherals #
Cellular Modem #
| Modem | SIMCOM A7672X |
| Technology | LTE Cat NB2 (NB-IoT) |
| Frequency Bands | B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 |
| Data Rate | Up to 127 kbps (DL) / 158.5 kbps (UL) |
| Network Protocols | UDP/TCP/MQTT/TLS |
| Supply Voltage | 2.2–4.3 V |
Relay Specifications #
| Name | TE Connectivity RT1 – Power PCB Relay |
| Part Number | RT314012F |
| Contact Form | 1 Form C (CO) or 1 Form A (NO) |
| Current Rating | 12A / 16A |
| Coil | DC or AC, multiple voltage options |
| Dielectric (coil-contact) | 5000Vrms |
TEST CODE #
Libraries:
https://github.com/NORVIControllers/NORVI-DMS-GATEWAY-13A-LTE/tree/main/Libraries
