M800VS/M80V Series Connection and Setup Manual
29 Deceleration Check
29.2 Deceleration Check Method
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IB-1501613-A
29.2 Deceleration Check Method
Command deceleration check method
After interpolation for one block has been completed, the completion of the command system deceleration is confirmed before
execution of the next block. The required time for the deceleration check is equal to the longest one of the deceleration check
time for the simultaneously commanded axes, which are determined according to the acceleration/deceleration mode and
time constant.
[For linear acceleration/deceleration]
Ts: Liner acceleration/deceleration time constant
Td: Deceleration check time Td = Ts + α (0 to 10 ms)
[For exponential acceleration/deceleration]
Ts: Exponential acceleration/deceleration time constant
Td: Deceleration check time Td = Ts × 2 + α (0 to 10 ms)
[For soft acceleration/deceleration]
Ts: Soft acceleration/deceleration time constant
Td: Deceleration check time Td = Ts + α (0 to 10 ms)
The deceleration check time required during rapid traverse is the longest rapid traverse deceleration check time of all axes.
This check time is determined by the rapid traverse acceleration/deceleration mode and rapid traverse acceleration/
deceleration time constant of simultaneously commanded axes.
The deceleration check time required during cutting feed is determined in the same manner. It is the longest cutting feed
deceleration check time of all axes. This check time is determined by the cutting feed acceleration/deceleration mode and
cutting feed acceleration/deceleration time constant of simultaneously commanded axes.
Td
Ts
Execution block Next block
Td
Ts
Execution block Next block
command
Td
Ts
Execution block Next block
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