Chapter 9 Functions
9-19
9.2.4 Speed Control
After executed by the start positioning operation command ( 「 Direct start 」 , 「 Indirect start 」 ,
Simultaneous start」), this controls the speed by the setting speed until deceleration stop command is
entered.
(1) Features of Control
(a) Speed control contains 2 types of start : Forward direction start and Reverse direction start.
▷Forward direction : when position value is positive number (+) (“0” included)
▷Reverse direction : when position value is negative number (-)
(b) In case of using speed control, the following items of operation data do not affect.
▷ Coordinates, Operation method, Dwell time
▷ “Absolute, shortening speed control”, “Incremental, shortening speed control” execute same operation.
(c) Accelerating operation of speed control operate with acceleration number and time on setting data,
decelerating operation operate with deceleration number and time of a command 「deceleration stop」.
(2) Operation Timing
(3) Restrictions
(a) Set the operation pattern of speed control as 'End' or 'Go-On'. When it is set on "Continuous", error occurs
(error code: 236) and can not execute speed control.
(b) Using as speed control, only when「M code mode」of extended parameter is "with", M code signal is "On".
(Using "After mode", M code signal is not "On".)
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