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M800W/M80W Series Connection and Setup Manual
32 Setting the Deceleration Check
32.2 Deceleration Check Method
(1) Command deceleration check
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.
(a) For linear acceleration/deceleration
Execution block
(b) For exponential acceleration/deceleration
Execution block
(c)
For soft acceleration/deceleration
Execution block
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.
IB-1501268-K
Ts
Td
Ts : Liner acceleration/deceleration time constant
Td : Deceleration check time Td = Ts + α(0 to 10ms)
command
Ts
Td
Ts : Exponential acceleration/deceleration time constant
Td : Deceleration check time Td = Ts×2 + α(0 to 10ms)
Ts
Td
Ts : Soft acceleration/deceleration time constant
Td : Deceleration check time Td = Ts + α(0 to 10ms)
Next block
Next block
Next block
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