Siemens SIMATIC S7-1200 Function Manual page 319

Parameter
State
Error
ErrorBits
See also
Parameters State and Mode V2 (Page 330)
Parameter ErrorBits V2 (Page 335)
PID control
Function Manual, 03/2017, A5E35300227-AC
Data type Default
INT 0
BOOL FALSE
DWORD DW#16#0
Description
The State parameter (Page 330) shows the current operating
mode of the PID controller. You can change the operating
mode using the input parameter Mode and a rising edge at
ModeActivate.
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
State = 10: Manual mode without endstop signals
•
If Error = TRUE, at least one error message is pending in this
cycle.
The ErrorBits parameter (Page 335) shows which error mes-
sages are pending. ErrorBits is retentive and is reset upon a
rising edge at Reset or ErrorAck.
Instructions
9.2 PID_3Step
319