2026-04-08 THERMONOM12 GUI v541 - HAITIAN modbus interface handles out of order commands - Modbus TCP response time
2026-05-20 THERMONOM12 GUI v544 External process alarm is mapped to Modbus interface.
2026-05-05 THERMONOM12 GUI v543 Support up to 60 channels. Phase alignment aligns to no load current limit.