Using PID_Compact
4.2 PID_Compact V2
PID control
Function Manual, 03/2017, A5E35300227-AC
87
To perform pretuning, follow these steps:
1. Double-click the "PID_Compact > Commissioning" entry in the project tree.
2. Select the entry "Pretuning" in the "Tuning mode" drop-down list.
3. Click the "Start" icon.
– An online connection will be established.
– Value recording is started.
– Pretuning is started.
– The "Status" field displays the current steps and any errors that may have occurred.
The progress bar indicates the progress of the current step.
Note
Click the "Stop" icon when the progress bar has reached 100% and it can be assumed
the controller tuning function is
blocked. Check the configuration of the technology
object and, if necessary, restart controller tuning.
If pretuning was performed without an error message, the PID parameters have been tuned.
PID_Compact switches to automatic mode and uses the tuned parameters. The tuned PID
parameters will be retained during power OFF and a restart of the CPU.
If pretuning is not possible, PID_Compact responds with the configured reaction to errors.
Parameters State and Mode V2 (Page 265)
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