The logical device Filter compares a parameters with a minimum and maximum value end returns the parameter only if it is between min and max. This is similar to band-pass filter. If the value is outside the defined limits, the device will return fixed values as defined in the device setup.
Device window pages
The following table shows which device window pages are available with this individual device type. Tool-bar functions not mentioned here are described at the general description of device windows .
--- This page shows the filtered value
--- The device info page.
--- The maintenance page. The configuration parameters described below are set at this page.Configuration parameters
At the maintenance contains settings to configure this logical device.
| parameter | description |
|---|---|
| input.Id | Parameter ID of the value which should be filtered |
| min | Minimum / lower limit |
| max | Maximum / upper limit. |
| returnMin | value which will be returned if the input is below min |
| returnMax | value which will be returned if the input is above max |
| unit | unit of measurement value (free text) |
Variables defined by this device driver
| name | type | flags | range |
|---|---|---|---|
| info.driver | TEXT | R/O | StringRange R/O |
| info.type | TEXT | R/O | StringRange R/O |
| info.frame | TEXT | R/O | StringRange R/O |
| config.input.Id | TEXT | SAVE SETUP | StringRange |
| config.min | TEXT | SAVE SETUP | StringRange |
| config.max | TEXT | SAVE SETUP | StringRange |
| config.returnMin | TEXT | SAVE SETUP | StringRange |
| config.returnMax | TEXT | SAVE SETUP | StringRange |
| config.unit | TEXT | SAVE SETUP | StringRange |
| input | TEXT | StringRange | |
| value | TEXT | StringRange | |
| internal.min | BOOLEAN | R/O | BooleanRange R/O (true false) |
| internal.max | BOOLEAN | R/O | BooleanRange R/O (true false) |
| internal.v | TEXT | R/O | StringRange R/O |