235 ADAM-4000 Series User ManualChapter 7 I/O, Relay & Counter/Frequency7.2.3 Digital Filter and Programmable Threshold Command SetCommand Syntax Command Name Description I/O Module$AA4S Enable/DisableDigital FilterEnables or disables the digitalfilter of the addressed counter/fre-quency module4080,4080D$AA4 Read Filter Status The addressed counter frequencymodule returns the status of itsdigital filter4080,4080D$AA0H(data) Set MinimumInput Signal Width atHigh LevelSets the minimum input signalwidth at high level for a specifiedcounter/frequency module4080,4080D$AA0H Read MinimumInput Signal Width atHigh LevelReads the minimum input signalwidth setting at high level for aspecified counter/frequency mod-ule4080,4080D$AA0L(data) Set MinimumInput Signal Width atLow LevelSets the minimum input signalwidth at low level for a specifiedcounter/frequency module4080,4080D$AA0L Read MinimumInput Signal Width atLow LevelReads minimum input signal widthsetting at low level for a specifiedcounter/frequency module4080,4080D$AA1H(data) Set Non-isolatedHigh Trigger LevelSets the high trigger level of non-solated input signals for a speci-fied counter/frequency module4080D$AA1H Read Non-isolatedHigh Trigger LevelRequests the addressed counterfrequency module to return thehigh trigger level for non-isolatedinput signals4080D$AA1L(data) Set Non-isolatedLow Trigger LevelSets the low trigger level of non-solated input signals for a speci-fied counter/frequency module4080D$AA1L Read Non-isolatedLow Trigger LevelRequests the addressed ounter/frequency module to return thelow trigger level for non-isolatedinput signals4080D