Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1144

• When the output variation alarm (bit 2 of (s3)+1) is on
MV
(s3)+24 bit2
(s3)+24 bit3
MV: Manipulated value
T : Sampling time
S
t: Time
Bit 2 and bit 3 of (s3)+24: Alarm flag
9 PID OPERATION INSTRUCTION
1142
9.1 Overview
Rate of change
T
S
ON
Rate of change
t
ON