In industrial and energy systems, many sensors still rely on 4-20mA outputs. While reliable, these devices lack wireless connectivity and remote management capabilities. KS31 is a native LoRaWAN acquisition device that supports multi-channel analog input and low-power operation, enabling seamless wireless upgrades without replacing existing equipment.
1. Challenges of 4-20mA Devices in Digital Transformation
In industrial automation and building management systems,
many devices still use 4-20mA outputs, such as:
- Thermocouples and PT100 transmitters
- Pressure, level, and flow meters
- Environmental monitoring instruments
Although reliable, these devices face several challenges:
- Difficult to rewire after deployment
- No built-in communication capability
- High cost for system upgrades
- Lack of centralized remote management
2. KS31: A Wireless Upgrade Solution for Existing Devices
KS31 is designed to enable wireless connectivity for existing analog devices.
By integrating analog signal acquisition and LoRaWAN communication,
KS31 allows:
- Wireless data transmission
- Direct connection to LoRaWAN networks
- Integration with IoT platforms like ThinkLink
3. Typical Application Scenarios
Industrial Temperature Monitoring
Collects 4-20mA signals from thermocouples and PT100 transmitters.
Industrial Instrument Integration
Supports pressure, level, flow, and other analog-output devices.
Retrofit Projects
Ideal for sites where rewiring is difficult or costly.
Distributed Monitoring Systems
Suitable for smart industry, buildings, and energy management.
4. Key Features of KS31
Native LoRaWAN Communication
No additional protocol converter required.
4-Channel Analog Input
Supports multiple sensors per device.
Power Supply for Sensors
Provides power to connected devices, simplifying deployment.
Low Power Design
Supports long-term battery operation.
Remote Configuration & COV Reporting
Improves efficiency and reduces data traffic.
5. Why KS31 for Retrofit Projects?
KS31 enables:
- Reuse of existing sensors
- Wireless data transmission
- Reduced deployment cost
- Faster system integration
Instead of replacing devices, users can upgrade their systems with minimal changes.
6. Conclusion
For existing 4-20mA devices,
KS31 provides a practical and cost-effective way to achieve wireless connectivity and remote monitoring.
If your project requires:
- Keeping existing devices
- Reducing deployment cost
- Enabling remote access
KS31 is an ideal LoRaWAN solution.