Mitsubishi Electric M800VW Series Programming Manual page 557

M800V/M80V Series PLC Programming Manual (2/2)
13 Spindle Control
13.11 Spindle Synchronization Control ll
 Multi-step acceleration/deceleration
Up to eight steps of acceleration/deceleration time constants for spindle synchronization can be selected according to the
spindle rotation speed.
(F)
Sptc3
Sptc2
Sptc1
(1) (2) (3)
IB-1501668-B
(F) Rotation speed
(T) Time
(1) Time required from stopped state to sptc1 setting rotation speed
spt * (sptc1/maximum rotation speed)
(2) Time required from sptc1 to sptc2 setting rotation speed
spt * ((sptc2-sptc1)/maximum rotation speed) * spdiv1
(3) Time required from sptc2 to sptc3 setting rotation speed
spt * ((sptc3-sptc2)/maximum rotation speed) * spdiv2
(T)
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