10 Upgraded Versions
10.3.4 Second Stage Notch Filter and Changeable Q Value
10-12
(4) Output Signal Selection
The /PSELA signal is the output signal that indicates if switching for reference pulse input multiplication is
enabled by /PSEL signal or not.
The /PSELA signal can’t be used with the factory setting. Allocate the /PSELA output signal.
Note: After changing the setting, turn OFF the power and ON again to enable the new setting.
10.3.4 Second Stage Notch Filter and Changeable Q Value
The second stage notch filter is added. The Q value that determines the sharpness of notch was fixed to 0.7, but
the Q value can be changed so that more flexible setting is possible. The performances of first stage notch filter
and newly added second stage notch filter are identical.
The filtering is executed in the following order.
Signal Name
Connector Pin
Number
Setting Meaning
/PSELA
Signal allocation not
required
ON (low level) Enabled when the /PSEL signal turns ON.
OFF (high level) Disabled when the /PSEL signal turns OFF.
Parameter Meaning
Pn510 n.0 Disabled
n.1 Outputs the /PSELA signal from the CN1-25, 26 output terminal.
n.2 Outputs the /PSELA signal from the CN1-27, 28 output terminal
n.3 Outputs the /PSELA signal from the CN1-29, 30 output terminal.
For the factory settings, the pins CN1-25 to CN1-30 are allocated for other output signals. If multiple signals are allocated
to the same output terminal, signals are output with OR logic. To enable only the /PSELA output signal, allocate the other
signals to other output terminals or disable the other signals.
Refer to 7.3.3 Output Circuit Signal Allocation for the allocation of output signals.
First Stage Notch Filter
Second Stage Notch Filter
Torque Reference Filter
(Low-pass filter)
Torque Limit
Use First Stage Notch Filter.
Use Second Stage Notch Filter
Added
function
NO
NO
YES
YES
End
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