Chapter 12 Description of Parameter Settings
MH300
When the PID deviation is smaller than Pr.08-70, it switches to the normal PID control (the smart
start-up frequency is filled into the PID integral when switching to PID control to avoid
discontinuous frequency).
PID2 Parameter Switch Condition
Default: 0
Settings 0: No switching (refer to Pr.08-01–Pr.08-03)
1: Auto-switch is based on the output frequency
2: Auto-switch is based on the deviation
PID2 Parameter Switch Deviation 1
Default: 10.00
Settings 0.00–Pr.08-77%
PID2 Parameter Switch Deviation 2
Default: 40.00
Settings Pr.08-76–100.00%
A set of PID parameters cannot meet the requirements of the entire running process in some
applications. Use Pr.08-75 to switch to the second group of PID parameter Pr.08-31–Pr.08-33.
The setting method for Pr.08-31–08-33 is the same as that for Pr.08-01–08-03.
The two sets of PID parameters switch automatically according to the frequency and deviation.
Switch according to the output frequency:
When the output frequency is between Pr.01-07 and Pr.01-00, the PID parameter is the
linear interpolation value between the two PID parameter groups.
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