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This post was last edited by No ○^ on 2016-7-4 21:58. Regarding modern smart transmitters used for measuring temperature, pressure, flow rate, and level, how do people usually set the damping time parameter when configuring the transmitter settings? Is there any standard or reference for this? Everyone is welcome to discuss this; it would be helpful to mention the specific model of the transmitter (along with the manufacturer), its application area, as well as information regarding the manufacturer, distributors, pre-sales and after-sales support. Engineers, how do you handle this in actual production?
It really isn’t very useful. Generally, the readings on this instrument fluctuate quite a lot, and since we don’t want to deal with that issue, we increase the damping time. As for the specific setting value, it seems there are no concrete references available in the literature
The damping time of Rosemount transmitters is set to 0.4 seconds at the factory; vibrations caused by external factors can lead to an increase in this damping time. However, for instruments that come with control and interlock functions, the damping time generally should not exceed 0.8 seconds. This applies only to Rosemount instruments
The default damping time is sufficient; no setting is required
The default value is 2S; generally no adjustment is needed. If there are special requirements, have them make the changes through the configuration modification request form
The delay time is between 2 and 8 seconds, determined based on process fluctuations and the accuracy of the parameters.
I agree with the answers from Pig Senpai and floor 11. The default values are usually sufficient.
Usually, no adjustment is needed; adjustments can be made as appropriate based on the fluctuations present on site. If the fluctuations are frequent, the damping value can be increased. Additionally, since the Hart communication rate is low, when Hart devices are connected to certain specific systems or devices, the damping value may need to be increased. I’ve encountered a situation where a 3051S pressure sensor was connected to a radar-level gauge from a particular brand, and the damping value was set to 8; in one case, the damping value for a wireless temperature transmitter was set to one minute