Dragino LT-22222-L-EU868 LoRaWAN I/O-controller

The Dragino LT-22222-L-EU868 is a versatile LoRaWAN I/O controller designed for industrial IoT applications. It combines multiple input/output interfaces with long-range wireless communication, enabling remote monitoring and control of sensors and actuators. With support for LoRaWAN Class A/C and the EU868 frequency band, this device is ideal for smart agriculture, building automation, and industrial environments.

Advantages

This controller offers a rich set of I/O options including isolated digital inputs, analog inputs, relay outputs, and RS485 Modbus, all in a compact ABS enclosure. Its low power consumption and wide operating temperature range make it suitable for outdoor and harsh conditions. Configuration via LoRaWAN downlink or UART provides flexibility for system integration.

Suitable for

• Remote monitoring and control of industrial equipment
• Smart agriculture: irrigation, environmental sensing
• Building automation: HVAC, lighting, access control
• IoT gateways and edge computing nodes

Key specifications

• LoRaWAN Protocol: v1.0.3 Class A/C
• Frequency Band: EU868
• Microcontroller: STM32L072CZT6
• LoRa Transceiver: SX1276/78
• Digital Inputs: 2 (Isolated, Dry Contact)
• Digital Outputs: 2 (Isolated, Open-Drain, Max 30V/100mA)
• Analog Inputs: 2 (Configurable 0-20mA or 0-30V)
• Relay Outputs: 2 (SPDT, 5A@250VAC / 5A@30VDC)
• Serial Interface: 1 x RS485 (Modbus RTU support)
• Power Supply: DC 7V ~ 24V
• Sleep Current: ~2mA @ 12V
• Operating Temperature: -40°C to +85°C
• Antenna Connector: SMA-K
• Enclosure Material: ABS Plastic
• Mounting: Wall Mount
• Configuration: LoRaWAN Downlink / UART
• Data Transmission: Periodic / Event Triggered
• I/O Protection: ESD Protection

Recommendations

For optimal performance, use with a compatible LoRaWAN gateway and ensure proper antenna selection. The device supports both periodic and event-triggered data transmission, making it adaptable to various use cases. Consider using the RS485 interface for integrating Modbus sensors.