Novatek-Electro TR-100E

The TR-100E is a digital temperature relay for monitoring up to four temperature zones. It provides relay protection, event and temperature logging, a web interface, Modbus TCP, and secure remote access through WireGuard VPN.
Documentation
Section titled “Documentation”- Operating Manual - installation, operation, settings, web interface, and Modbus TCP reference
- Appendix A: Emergency Firmware Recovery - bootloader recovery procedure
- Appendix B: WireGuard VPN Configuration - manual and Overvis-assisted VPN setup
- HTTP API Reference - authentication, state, settings, history, service, and diagnostic endpoints