1.251 Filter

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 .

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