Stable Measurement with Digital Filtering
You can use digital filtering to suppress fluctuations of analog input values that are caused by electri-
cal noise, and provide stable measurements. You can freely combine the following three digital filters
for use.
• Digital low-pass filter
•
Moving average filter 1
• Moving average filter 2
Designing Digital Filters with Ease
You can use a library of the Sysmac Library to sample and record analog input values before and after
digital filtering.
By referring to the recorded results, you can identify the noise frequency band and confirm the noise
removal effect to design digital filters easily.
1 Features and System Configuration
1 - 4
NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
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