Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 68

Ex.
PID operation in forward operation (cooling)
Temperature
TD3>TD2>TD1
PI operation (without differential operation)
Changes caused by disturbance
TD1 (PID operation)
TD3 (PID operation)
Output value (MV)
TD3>TD2>TD1
Changes in output caused by disturbance
TD2 (PID operation)
TD1 (PID operation)
TD3 (PID operation)
9 PID CONTROL FUNCTION
66
9.6 Details of Parameters
TD2 (PID operation)
Target value (SV)
Time
PI operation (without differential operation)
Time