Appendix 2 Anti-Reset Windup Measure - Mitsubishi Electric MELSEC-Q series Programming Manual

Appendix 2
A reset windup is a problem that an integral element keeps adding a deviation beyond a saturation limit. (It is also referred to
as an integrator windup.)
When a reset windup occurs, integral operation must be stopped to enable immediate response to the inversion of the
deviation.
Since the measure for the reset windup is taken in PID operation instructions (PIDCONT and S.PIDCONT) of the QCPU,
LCPU, and QnACPU, integral operation need not be stopped.
APPX
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Appendix 2 Anti-Reset Windup Measure

Anti-Reset Windup Measure