Mitsubishi FREQROL-SFJ - 3.4 Spindle control monitor on NC CRT display

3.4
Spindle control monitor on NC CRT display . . . when FR-SFJ is
connected to M300 CNC through bus line
Since display (format, content,
etc.) and setting method dif-
fer from NC to NC,
refer to the instruction manual for your
NC system.
Typical examples of NC CRT display are described here.
3.4.1
Status display
For status display, "SPINDLE
MONITOR" is selected from
the menu.
For use of this display
f
-(SPINDLE MONlTOn]
DIAGN 2. 21
GAIN
10.0
function,
FR-SFJ should be
I
DROOP
nPM
line.
connected to NC through bus
I
LOAD nATE
80
ALARM NO.
46 23
DATA BIT MONlTOn
76543210
o/I IL oooooool
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0'0 Looololoo
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123456
6000
Display
GAIN
DROOP
Description
Position control loop gain is displayed.
When position control loop is not used, "0" is
displayed.
The standard position control loop gain is,
Motor speed (rad/s)
Response delay (rad/s)
= 10
Error in true spindle angle from referenced
spindle angle is called "droop".
Droop is expressed in number of pulses.
When position control loop is not used, "0" is
displayed.
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