NSK EDD Megatorque Motor, User Manual

Page: 274 / 398

9. Details of Command and Parameter
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
FR : Feedback Signal Resolution

This parameter sets the resolution of the phase A and phase B of the position feedback signal.

Refer to “7.2.8. Position Feedback Signal” for details.

This will set the total number of edge count of the phase A and B pulses for one Motor
revolution
Category Parameter
Format
FR data
Data range 1 0 : Output of the phases A and B of position feedback is OFF.
Data range 2
1 to 5 242 880
[count/revolution]
Shipping set 81 920

Setting of the parameter FR automatically sets the parameter VL (Velocity limiter).

The limitation on the velocity is to control the frequency of the position feedback signal not to
exceed 781 [kHz].
FRUN: Function RUN

This is to monitor the state of the input RUN (Positioning start).

Refer to “7.1.5. Program Start: RUN, Internal Program Channel Selection: Input PRG0 to
PRG7” for details.

The monitored state is after application of the parameters AB (Polarity) and NW (Anti-chattering timer) in
the command PI (Edit input port).
Category Monitor
Format
FRUN
Data range
0 : OFF
1 : ON
P FS : Low-pass Filter, Secondary

Sets the low-pass filter to the torque command.

Refer to “8.5.2. Digital Filter” for details.
Category Parameter
Format
FS data
Data range 1 0 : Secondary low-pass filter is OFF.
Data range 2 10 to 1000 [Hz]
Shipping set 0

This parameter will be automatically set by an execution of the command AT (Automatic tuning).