0000 ~ FFFF
Bit00: PID feedback
Bit01: PLC stage
Bit02: Feedback speed (0.1Hz)
Bit03: Reserved
Bit04: Remaining running time
Bit05: AI1 voltage before correction
Bit06: AI2 voltage before correction
Bit07: Reserved
Bit08: Linear speed
Bit09: Current power-on time
Bit10: Current running time
Bit11: Reserved
Bit12: Communication setting
Bit13: Reserved
Bit14: Main frequency X diaplay
Bit15: Auxiliary frequency Y display