| v3.4.333 | 1. Supports Modbus protocol - enables integration with Modbus devices, including TCP, RTU, and its checksum data
2. Supports Telnet CLI (command-line interface) mode for third-party system integration | |
| v3.1.302 | 1. Support SSH communication protocol | |
| v3.0.295 | 1. Support the feature of adding a detection characters to the end of received message. | |
| v2.8.271 | 1. Enhance the stability of communication with controllers | |
| v2.6.251 | 1. Enable to monitor VK224 expansion boxes in listen mode
2. Enable to communicate between controllers via ID or static IP address
3. Compliant USA California password policy
4. improve communication performance with contollers
5. Bug fixed | |
