Technical Specifications

125
Viewing Valve Dynamic
PID Block and Trending
7. Select View > Sample Interval and Figure 102 appears.
Figure 102 Sampling Interval
8. Set the interval and click OK.
NOTE Decreases interval time increases the exactness of the
trend, but this is also limited by device communication
constraints and can lead to lost data points.
Viewing Valve Dynamic Responses
To observe the valve's dynamic response:
1. Place the positioner in Manual.
2. Select Change Pos from the menu bar.
3. Enter the desired value in the text box shown in Figure 103.
Figure 103 Change Set Point in Trend