DIO#.FILTER
Description
Gets or sets the digital input filter when specified channel is configured as a digital input (see DIO#.DIR). The digital filter blocks input changes (rising or falling edges) until the minimum pulse width is exceeded. The +/- tolerance listed is the sample period (uncertainty) of the filter.
| Value | Description | Min Pulse Width | Typical Use |
|---|---|---|---|
| 0 | Unfiltered | >40ns | RS485 inputs |
| 4 | Ultra fast |
>240ns +/- 40ns |
Fast Optos |
| 1 | Fast |
>10.24 µs +/- 0.64 µs |
Fast Optos |
| 2 | Standard |
>163µs +/- 10.24µs |
Slow Optos |
| 3 | Slow |
>2.62ms +/- 0.16384ms |
Mechanical switch |
Usage
When DIO#.DIR = 0 (input) then the corresponding DIO#.FILTER can be set to adjust the filter of the input value.
Code
--> DI01.DIR 0 --> DIO1.FILTER 0 --> DIO1.FILTER 1
Context
For more information see Digital Inputs and Outputs.
Versions
| Action | Version | Notes |
|---|---|---|
| Implemented | 02-00-00-000 |
General Information
| Type | Read/Write |
| Units | N/A |
| Range | 0 to 4 |
| Default Value | 0 |
| Data Type | Integer |
| See Also | |
|
Stored in Non-Volatile Memory |
Yes |
Variants Supported
All variants are supported
