Siemens SIMATIC PCS 7 Operating Manual page 34

Management of control module types
7.8 Managing Low Scale / High Scale / Unit
Procedure
Follow the steps below to create a Unit:
1. Navigate to a signal below the CM instance.
2. Open the properties of the signal and select "Attributes > Automation Interface".
3. Select "Navigate > Attribute" from the context menu in the "Measuring range" field.
4. Open the properties of the "Measuring range" attribute.
5. Select the "Unit" tab and and click the "..." button next to the field "Set unit or group".
6. "Unit selection" window opens.
7. Select the required unit from the "Units" area and confirm your entries.
Result
The selected unit will be diplayed in the "Measuring range" field.
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Plant Automation Accelerator 3.0
Operating Manual, 04/2019, A5E46351208-AA