Filter
Top Products
9 - 9
MELSEC-
A
9 MAIN POSITIONING CONTROL
POINT
(3) For sudden reversal of rotation, the command pulses from the D75P2 are output as shown below.
Forward run command
Reverse run command
t1
t2
Supposing that the command frequency is f[pps], calculate t1 and t2 with the following expression.
t1 = 1/2f[s] t2 = 1/f[s]
Depending on the drive unit, time t1 must be secured for longer than the given time T[s].
(T changes depending on the drive unit specifications.)
When t1 cannot be secured for longer than T, decrease "
Da.7
Command speed" in the positioning data.
(4) In the positioning data of continuous path control, secure the movement distance or decrease the command speed
to ensure that the execution time of that data is 100ms or longer.