Chapter 6 Control Modes of Operation ASDA-B2
6-4 Revision May, 2018
Pulse Type
0: AB phase pulse (4x)
1: Clockwise (CW) and Counterclockwise (CCW) pulse
2: Pulse + symbol
Other settings: reserved
Filter Width
If the received frequency is much higher than the setting, it will be
regarded as the noise and filtered out.
Setting
Value
Minimum Pulse Width
(Low-speed Filter
Frequency
*note 1
)
Setting
Value
Minimum Pulse Width
(High-speed Filter
Frequency
*note 1
)
0 600 ns (0.83 Mpps) 0 150 ns (3.33 Mpps)
1 2.4 us (208 Kpps) 1 600 ns (0.83 Mpps)
2 4.8 us (104 Kpps) 2 1.2 us (416 Kpps)
3 9.6 us (52 Kpps) 3 2.4 us (208 Kpps)
4 No Filter Function 4 No Filter Function
If the user uses 2 ~ 4 MHz input pulse, it is suggested to set the filter value to 4.
Note: When the signal is the high-speed pulse specification of 4 Mpps and the settings
value of the filter is 4, then the pulse will not be filtered.
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