Functions To Change The Control Details; Speed Change Function - Mitsubishi A1SD75P1-S3 User Manual

12 CONTROL AUXILIARY FUNCTIONS

12.5 Functions to change the control details

Functions to change the control details include the "speed change function", "override

function", "acceleration/deceleration time change function" and "torque change

function". Each function is executed by parameter setting or sequence program

creation and writing.

Both the "speed change function" or "override function" change the speed, but the

differences between the functions are shown below. Use the function that corresponds

to the application.

"Override function"

12.5.1 Speed change function

The speed control function is used to change the speed during control to a newly

designated speed at any time.

The new speed is directly set in the buffer memory, and the speed is changed by a

speed change command ( Cd.17 Speed change request) or external start signal.

The details shown below explain about the "speed change function".

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The speed is changed at any time, only in the control being executed.

The new speed is directly set.

The speed is changed for all control to be executed. (Note that this excludes

manual pulse generator operation.)

The new speed is set as a percent (%) of the command speed.

(1) Control details

(2) Precautions during control

(3) Setting the speed change function from the PLC CPU

(4) Setting the speed change function using an external start signal

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