Mitsubishi FREQROL-SFJ Maintenance Manual page 36

Note:
not displayed with sign (+ or -).
When value can be incremented by pressing w bu:t:r.,
the value is negative (for ROM version AO).
(2) Set speed reference signal to the forward run maximum
speed and record the motor speed displayed by the 7-seg-
ment LED readout of controller (record the speed as N:r
If this NZK is not equal to the desired speed Nzr , set
determined from the following formula, for parameter
No. OD I=].
(3) When the adjustment has been completed for forward run,
speed in reverse run should have been adjusted automati-
It is, however, recommended to verify that
cally.
specified reference speeds are always equal to true motor
speeds.
Ex.: Let the rated motor speed be 8000rpm with 1OV speed re-
ference signal, and the reduction ratio be 2
spindle speed) . . . . . .
speed
N *r = 200
188 . . . . Reading of 7-segment LED readout w
N
Set -3 for parameter
setting) x K
Motor speed should be 200rpm with spindle
speed command of SlOO
spindle speed command of SlOO.
188-200
8000
X 2048
(motor