Badger Meter ModMAG M Series - Page 51

Advanced
Software Filter
ACC-Filter
Description This software filter operates as an acceleration filter. This filter, when configured
properly, allows for filtering of fast changes in fluid flow. Generally, this filter
is used in applications having highly conductive fluids. It is intended to help
provide smoothing of the analog output and display fluctuations.
Activation
[Off]
A
Use Activation to enable or disable the software accelerationfilter.
To change the Activation setting, follow these steps from the Advanced menu:
1. Select Activation from the Advanced menu.
2. Select a setting.
3. Press [E] to save the option and to return to the Advanced menu.
Filter Delay
[1]
A
Use Filter Delay to set the amount of time that the flow is held constant once
the filter is activated. The filter is activated by an acceleration component of the
fluid exceeding the configured limit.
To change the Filter Delay follow these steps from the Advanced menu:
1. Select Filter Delay from the Advanced menu.
2. Enter the setting.
3. Press [E] to save the option and to return to the Advanced menu.
Acceleration Factor
[1]
A
Use Acceleration Factor to set the maximum acceleration for a given pipe
diameter. It is dependent on the excitation frequency. The maximum
fluid velocity is 12 m/s. The following equation defines the maximum
fluidacceleration:
Acceleration(MAX) = Acceleration Factor * 12 m/s * Pipe Area * Excitation
Frequency/1.5
If the realized fluid acceleration exceeds the configured maximum acceleration,
fluid flow is held constant for the time set at the Filter Delay parameter.
To change the Acceleration Factor setting, follow these steps from the
Advancedmenu:
1. Select Acceleration Factor from the Advanced menu.
2. Enter the setting.
3. Press [E] to save the option and to return to the Advanced menu.
Constant Flow
[150 M
3
/Sec
2
]
A
During normal flow conditions, there is always a non-zero
accelerationcomponent.
For example, if acceleration of the flow activates the filter, the meter assumes
constant flow for the duration of the filter delay time unless the flow returns
within limits.
Properly configured, this parameter helps offset excessive impacts of the filter
delay. The Constant Flow parameter lets you set the acceleration limit for
constant flow.
To change the Constant Flow setting, follow these steps from the
Advancedmenu:
1. Select Constant Flow from the Advanced menu.
2. Enter the setting.
3. Press [E] to save the option and to return to the Advanced menu.
Using the Main Menu Programming Options
Page 51 March 2022 MAG-UM-01272-EN-21