Using PID_Temp
6.3 Commissioning PID_Temp
PID control
184 Function Manual, 03/2017, A5E35300227-AC
To perform pretuning, follow these steps:
1. Double-click the "PID_Temp > Commissioning" entry in the project tree.
2. Activate the "Monitor all"
button or start the trend view.
An online connection will be established.
3. Select the desired pretuning entry from the "Tuning mode" drop-down list.
4. Click the "Start" icon.
– 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 ("Progress" tag) has not changed for a
long period and it is to be assumed that the 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_Temp 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_Temp responds with the configured reaction to errors.
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