Siemens SIMATIC S7 System Manual page 583

Offset Field
64 Suggested Integral Time
(AT_T )
I
68 Suggested Derivative
Time (AT_T )
D
72 Actual Step size
(ASTEP)
76 Actual Hysteresis
(AHYS)
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
Format Type
REAL Out
REAL Out
REAL Out
REAL Out
11.1 PID loop definition table
Description
Suggested integral time as determined by the auto-tune
process.
Suggested derivative time as determined by the auto-
tune process.
Normalized output step size value as determined by the
auto-tune process.
Normalized PV hysteresis value as determined by the
auto-tune process.
PID loops and tuning
583