Tag Sut.state V1; Tag Tir.state V1 - Siemens SIMATIC S7-1200 Function Manual

9.2.5.11

Tag SUT.State V1

SUT.State Name
0 SUT_INIT
50 SUT_TPDN
100 SUT_STDABW
200 SUT_GET_POI
300 SUT_GET_RISETM
9900 SUT_IO
1 SUT_NIO
9.2.5.12

Tag TIR.State V1

TIR.State Name
-100 TIR_FIRST_SUT
0 TIR_INIT
200 TIR_STDABW
300 TIR_RUN_IN
400 TIR_CTRLN
500 TIR_OSZIL
9900 TIR_IO
1 TIR_NIO
PID control
Function Manual, 03/2017, A5E35300227-AC
Description
Initialize pretuning
Determine start position without position feedback
Calculate the standard deviation
Find the point of inflection
Determine the rise time
Pretuning successful
Pretuning not successful
Description
Fine tuning is not possible. Pretuning will be executed first.
Initialize fine tuning
Calculate the standard deviation
Attempt to reach the setpoint with the maximum or minimum output value
Attempt to reach the setpoint with the existing PID parameters
(if pretuning has been successful)
Determine oscillation and calculate parameters
Fine tuning successful
Fine tuning not successful
Instructions
9.3 PID_Temp
375