Siemens SIMATIC Manual page 64

Getting Started
Uploading and Saving the Controller Parameters
Step Activity
1 Switch to manual in the Commissioning dialog
and click the Send button.
2 Open the VAT_StructPar variable table in the
SIMATIC Manager and click on Variable
Monitor.
3 Click the Download button for the "Saved PID
and control zone parameters" option.
4 Change values in the effective parameters to
be able to recognize later that the values are
transferred.
5 Click the Save button for the "PID and control
zone parameters" option.
6 Return to the automatic mode and click the
Send button.
5-4
Result:
The value of the manipulated variable
remains constant in the curve recorder.
In the VAT_StructPar variable table, you can
see how the parameters of PAR_SAVE were
transferred to the effective parameters.
In the VAT_StructPar variable table, you can
see how the effective parameters are
transferred to PAR_SAVE.
Based on the value of the manipulated
variable in the curve recorder, you can see
how the controller operates again in automatic
mode.
PID Temperature Control
A5E00125039-02