Rockwell-automation FactoryTalk Metrics User Guide Uživatelský manuál Strana 62

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Chapter 3 Collecting Performance Data
To add another value:
1. Under Formula Parts, click Add >.
2. Under Formula Part Operator, select (+) Add Value.
3. Under Formula Part Data Point, click Select.
4. Under Data Points, double-click the data point that you
want to evaluate in the formula.
5. Click Close, and then click Next.
The formula part that you have just created is displayed
under Formula Text and Formula Parts.
To subtract another value:
1. Under Formula Parts, click Add >.
2. Under Formula Part Operator, select (-) Subtract Value.
3. Under Formula Part Data Point, click Select.
4. Under Data Points, double-click the data point that you
want to evaluate in the formula.
5. Click Close, and then click Next.
The formula part that you have just created is displayed
under Formula Text and Formula Parts.
62 Rockwell Automation Publication PLTMT-UM001M-EN-P-June 2014
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