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68 Model 2700 Transmitter with PROFIBUS-PA
Configuration
4.11 Changing the damping values
A damping value is a period of time, in seconds, over which the process variable value will change to
reflect 63% of the change in the actual process. Damping helps the transmitter smooth out small,
rapid measurement fluctuations.
• A high damping value makes the output appear to be smoother because the output must change
slowly.
• A low damping value makes the output appear to be more erratic because the output changes
more quickly.
To configure damping, refer to the flowcharts in Figure 4-12.
Note: There is also a “damping” parameter in each AI block called AI PV Filter Time (index 32). In
order to avoid having two (potentially conflicting) damping values, you should set damping values
only in the transducer block. The AI PV Filter Time parameter for each AI block should be set to 0.