NSK Megatorque PS Series - Page 249

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P FQ: Observer Q Filter
 This parameter sets the observer frequency.
◊ Refer to “8.5.1. Servo Block Diagram” for details.
Category Parameter
Format
FQ data
Data range 1 0
: Observer OFF.
Data range 2 1 to 300 [Hz]
Shipping set 10
 If the observer is set to off (FQ0), the Motor will not reach to the target position.
Ì 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
: FR0 for the Driver Unit compatible with the field bus.
 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 “7.3.1.5. Monitor for Individual Function” 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
0
: OFF
Data range
1
: ON