How to Change the Description Shown for a PCS 7 PowerControl Faceplate
For the PCS 7 PowerControl library, the instance Comment graphic attribute supplies the description shown with the object's symbol. In the CFC chart, change the comment for the relevant block instance, then perform the release-appropriate CFC and OS compilation/download steps so the runtime project receives the updated instance data. The exact compilation sequence depends on the installed PowerControl and PCS 7 versions.
Table of Contents
- Which text controls the displayed description?
- Change the instance comment in CFC
- Confirm the runtime field you expect to change
- Verification
- Limitations and Operational Precautions
- Engineer FAQ
- Technical References
- Related Articles
- Related Tags
Which text controls the displayed description?
Siemens' PCS 7 V9.1 PowerControl Library Objects manual identifies the graphic attribute Comment as the description text shown together with the object instance's symbol. This is distinct from arbitrary text entered elsewhere in a chart or faceplate.
Change the instance comment in CFC
- Open the CFC chart containing the PowerControl block instance. 2. Select the specific instance and edit its
Commentattribute using the instance properties available in the installed library. 3. Save the chart. 4. Compile the CFC charts and the OS project as required by the installed PowerControl release, then deploy the generated OS changes using the project's supported workflow. The V9.1 PowerControl readme calls for complete CFC and OS compilation when applying library migration changes; do not assume that exact sequence applies to every routine text change or earlier release.
Confirm the runtime field you expect to change
The manual says the comment appears with the object's symbol. If the incorrect text is inside a particular faceplate view, check whether that view displays the symbol description or a different tag/message text. The ticket did not identify the precise field or include its referenced screenshots, so do not assume every faceplate caption is driven by Comment.
Verification
After deploying the updated OS, open the same runtime picture and PowerControl instance. Confirm that the text shown with its symbol matches the edited instance comment. If the symbol text is corrected but a faceplate header remains unchanged, identify the specific runtime field and trace its documented source separately.
Limitations and Operational Precautions
The ticket does not state the PCS 7 or PowerControl release, nor does it preserve the referenced screenshots. Siemens' cited object manual is for PCS 7 V9.1 PowerControl. Attribute names and engineering workflow should be checked against the installed release. Compilation or download can affect a running OS; follow site change-control, backups and deployment procedures.
Engineer FAQ
For PowerControl V9.1, Siemens documents Comment as the instance description displayed with its symbol. Confirm the specific text field in runtime before changing other attributes.
Technical References
- Siemens, PCS 7 PowerControl Library Objects, Function Manual, 08/2021, section describing graphic attributes: https://support.industry.siemens.com/cs/attachments/109799788/PCS7_PowerControlObjects_en.pdf
- Siemens, PCS 7 PowerControl V9.1 Readme, notes on CFC and OS compilation during migration: https://support.industry.siemens.com/cs/attachments/109799788/PowerControl-Readme-online.pdf