Applied-motion RS-232 Bedienungsanleitung Seite 22

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Seitenansicht 21
22
920-0002 Rev. I
2/2013
Host Command Reference
AF - Analog Filter
Compatibility: All drives
Affects: All commands using the analog inputs
See also: IA, CM commands
Applies a digital filter to the analog input(s). This is a simple single pole filter that rolls off the analog input. The
filter value of the AF command is related to the desired value of the analog filter in Hz by the following equation:
Filter value = 72090 / [ (1400 / x ) + 2.2 ]
where x = desired value of the analog filter in Hz
Command Details:
Structure AF{Parameter #1}
Type BUFFERED
Usage READ/WRITE
Non-Volatile YES
Register Access Setting the AF command will affect the responsiveness of
the “a”, “j”, and “k” registers to changes in analog voltage
Parameter Details:
Parameter #1 Filter value
- units integer (see formula above)
- range 0 - 32767* (0 disables the filter)
* An AF value of 28271 equates to 4000.425 Hz. Setting the AF command to anything higher than 28271 has
a negligible effect on the analog filter. In other words, the maximum value of the filter is approximately 4000
Hz.
Examples:
Command Drive sends Notes
AF5000 - Make the analog input bandwidth 114.585 Hz
AF AF=5000
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