The Ebyte E830-DTU(2R2-433L)-V8 is a professional-grade industrial wireless remote control terminal supporting 2 isolated switch inputs and 2 relay outputs, utilizing the standard Modbus RTU protocol to achieve reliable wireless signal acquisition and equipment control over distances up to 8km.
| Feature Category | Specifications |
|---|---|
| Model | E830-DTU(2R2-433L)-V8 |
| Set Type | Switch Value |
| I/O Channels | 2 Isolated Switch Inputs, 2 Relay Outputs |
| Communication Interface | RS485 (Configuration mode only) |
| Protocol | Standard Modbus RTU |
| Transmission Distance | 8km (Open field) |
| Weight | 130g (plus or minus 5g) |
|
Serial number |
Parameter | Parameter value | Comment |
| 1 | Module size | 124*105*25mm | Does not include crimping interface |
| 2 | Average weight | 132±2 g | Does not include crimping interface |
| 3 | Input channel | 2 digital inputs | 2 digital isolated inputs, highest input level (consistent with power supply voltage) |
| 4 | Output channel | 2 digital outputs | 2 digital isolated outputs (NPN transistor open collector output) |
| 5 | Interface mode | 1*10*3.81mm | Pressing method |
| 6 | Supply voltage | 8 ~ 28V DC | Note: voltage higher than 28V will cause permanent damage to the module |
| 7 | Working current | 16mA@24V | 16mA under normal conditions, 29mA when there is data communication on the serial port |
| 8 | Communication Interface | RS485 | RS485 |
| 9 | Device address | 0-248 | 0-248 can be set, default is 1 |
| 10 | baud rate | Factory default 9600 | Baud rate range 1200~115200 can be set |
| 11 | Operating temperature | -40℃～+70℃ | Industrial grade |
| 12 | isolation protection | 3000VDC | Lightning strike, surge protection |
Practical Application Scenarios
1. Smart Agricultural Irrigation Control
In large-scale farmland, this DTU allows farmers to monitor pump status through isolated switch inputs while simultaneously controlling remote water valves via the relay outputs. It bridges the gap between field sensors and central control systems without the need for miles of buried cabling.
2. Industrial Monitoring and Alarm Systems
The 2 isolated switch inputs are perfect for reading emergency stop buttons or limit switches on factory floor machinery. If a fault is triggered, the unit transmits an instant alert to the main control station up to 8km away, allowing for immediate safety intervention.
3. Smart Street Light and Public Infrastructure Management
Municipal infrastructure often covers vast areas where installing traditional wired control networks is cost-prohibitive. This device allows for the remote toggling of relay-based lighting circuits based on data received from light sensors, providing an energy-efficient and low-maintenance smart grid solution.
4. Remote Power Distribution Cabinet Control
Utility companies use this device to monitor the status of power distribution cabinets. By integrating it into existing SCADA systems using the standard Modbus RTU protocol, operators can remotely reset breakers or check the health of switches across a city’s power grid.
5. Automated Warehouse Conveyor Logic
In large logistics warehouses, this unit enables wireless interlocking between different conveyor belts. If one section of the belt reaches a sensor threshold, the unit can trigger an output on another section of the belt, synchronizing complex automated logistics workflows seamlessly.
FAQ Section
1. Does this DTU require programming or custom firmware to operate?
No, the device uses the standard Modbus RTU protocol, which is widely recognized in industrial automation. You can configure and interact with it using standard Modbus commands without needing to write custom firmware.
2. What is the purpose of the RS485 interface on this wireless device?
The RS485 interface is primarily intended for initial device configuration and parameter adjustment. Once configured, the device handles data acquisition and relay control wirelessly, simplifying the transition from wired to wireless industrial networks.
3. Can I use the relay outputs to control high-voltage industrial equipment?
The relay outputs are designed for control-level switching. For high-voltage or high-current industrial equipment, it is recommended to use the relay output to trigger a larger industrial contactor or power relay.
4. How does the 8km transmission distance perform in environments with concrete buildings?
The 8km range is achieved in open-field, line-of-sight conditions. In industrial environments with concrete or metal structures, signal penetration is optimized by the Sub-GHz frequency; however, actual range will vary based on the density and geometry of obstacles.
5. Is the switch input isolated from the main circuit?
Yes, the 2 switch inputs are fully isolated. This protection ensures that the DTU is safeguarded against electrical surges or common-mode noise typically found in harsh industrial electrical environments.
