Siemens SIMATIC S7-1200 Function Manual page 353

Parameter
State
Error
ErrorBits
See also
Parameter State and Retain.Mode V1 (Page 361)
Parameter ErrorBits V1 (Page 369)
PID control
Function Manual, 03/2017, A5E35300227-AC
Data type Default
INT 0
BOOL FALSE
DWORD DW#16#0
Description
The State parameter (Page 361) shows the current operating
mode of the PID controller. You change the operating mode
with the Retain.Mode tag.
State = 0: Inactive
•
State = 1: Pretuning
•
State = 2: Fine tuning
•
State = 3: Automatic mode
•
State = 4: Manual mode
•
State = 5: Approach substitute output value
•
State = 6: Transition time measurement
•
State = 7: Error monitoring
•
State = 8: Approach substitute output value with error
•
monitoring
If Error = TRUE, at least one error message is pending.
The ErrorBits parameter (Page 369) indicates the error mes-
sages.
Instructions
9.2 PID_3Step
353