YASKAWA SGM Series User Manual page 36

Motor current
Motor speed
Figure 3.4 Motor Current − Motor Speed Timing Chart
J With Motor Constantly Cycling through Acceleration, Idling, and
Deceleration without Stopping
The timing chart for motor armature current and motor speed is shown in Fig. 3.5. If we assume
that allowable repeatability is n (times per minute), then n can be found using the equation given
below.
Kt ⋅ I
n = 286.5 ×
N (J + J
R M
Motor current
Motor speed
Figure 3.5 Motor Current − Motor Speed Timing Chart
R
(1∕α − β 2 3 )
∕α [times per minute]
)
L
3 -5
3.3 Allowable Repeatability
Time
Time
Time
Time
3